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1998 Audi A6 2.8L no tiptronic or 5th
THis is the same problematic Audi with no communications at ALDL connector. Had a bad ABS module, replaced and fixed ABS although still no communications. At the preliminary advice of other members, I started checking fuses, found one (#13 I think) that was fr...		 View
2002 Audi A4 3.0L Misfire, MIL Lamp on
I have an intermittent misfire on #4. I swapped coils and plugs, miss still on #4. I have spark and noid light. It seems like it has to sit for 20-30 minutes before it acts up and only lasts for 30-45 seconds. I also hear slight valve noise. I am thinking lift... Trouble codes: p0300 (misfire), p0304 (misfire 4).		 View
2002 Audi A4 1.8L MIL Lamp on
Hi all. This was handed to me. Shop took car to install used engine, customers family are regulars. Aquired a used genuine 02 A4 Quattro 1.8 turbo from local salvage (So they promised) and in it went. Would start, but VERY hard to start. found code for CAM SEN... Trouble codes: p1530 (17938 - cam timingsensor circuit short to ground), 17700 (MAP controlled engine thermostat circuit open).		 View
1987 Buick Century 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
This vehicle came in running poor. Warming up vehicle has what I would describe as moderate lean misfire, but when warm runs and idles very poorly, surges badly, almost dies when sitting in gear at stop. We tuned as needed. Removed throttle body and cleaned. A...		 View
1997 Buick LeSabre 3.8L compressor
Hi group, This one is a bit tricky in so much as it's very intermittent. The customer says the ac will stop cooling and they can hear a change in the air-flow/blower motor sound(as if the recirculate door changes). They also say the air flow does change positi...		 View
2004 Buick Rendezvous 3.4L noise
I am posting this for another shop. I have never seen the vehicle. The other shop owner has been in the business for a long time, but he says he has never seen anything like this. As the engine warms up it develops a noise out the exhaust, but it doesnt sound ...		 View
1993 Chevrolet Corvette 5.7L No Start
vehicle towed in no start.customer stated ran great until parked for winter,went to start last week and dead battery.customer replaced battery and would crank but not start..check all basics and found code 41 est/found spark and injector pulse for first 3 seco... Trouble codes: 41 (est open or shorted).		 View
1995 Chevrolet Pickup 6.5L No Start
truck towed in for no start, left over night, truck started in the morning. could not find any defficiencies. did wiggle test. tested current draw on fuel pump.modis found no codes.		 View
1997 Chevrolet Express 5.7L Poor Idle Quality, Stall
Customer complant vechile engine backfires surges stalls runs rough at idle also sets misfire codes.Also has other listed codes O2 sensor. Trouble codes: PO132 (ho2s circuit high voltage bank one sensor one), P0135 (h02s heater circuit bank 1 sensor i), P0152 (ho2s circuit high voltage bank two sensor one), PO154 (ho2s insufficient activity bank 2 sensor 1), PO155 (ho2s heater circuit bank 2 sensor 1).		 View
1998 Chevrolet Blazer 4.3L temp blend door
Hi Crew, HVAC/ATC has problem, blend door continues to cycle, hot to cold. Cannot interface with red brick. With Vantage, actuator feedback is showing full travel, EXCEPT when voltage gets near 0, a spike to 5 volts occurs for about 2 seconds, then back to nea...		 View
1998 Chevrolet Cavalier 2.2L Starting
anti theif light on.. not blinking just on .. no crank. customer said he replaced started... Usally if the ignition cylinder needs replacing it will be atleast blinking. this on is bright red with key in the on pos.. will not turn starter... i replaced starter...		 View
1998 Chevrolet Cavalier 2.2L Misfire
car came in w #3 misfire checked compression was 165 pulse width looked good on all injectors plug was oil soaked changed plugs and wires no help changed injector helped at about 2000 rpms misfire goes away but under load its running on 3 cylinders all the tim... Trouble codes: p0303.		 View
2000 Chevrolet Astro 4.3L Excessive Emissions, Misfire
With intake gaskets replaced and no ignition problems , only at idle the misfire occurs. higher speed ok Is there any one out there that had this problem or these engine have some kind of internal problem. need help thanks Trouble codes: p0303 (misfire 3).		 View
2000 Chevrolet Tahoe 5.3L hvac temp door motor
I have tested with good results all circuts except I don't know if the control circut should pulse to change the temp. The voltage at the control wire at the actuator when connected pulses in 2 second intervals or so to drive the actuator warm or cold. I exper...		 View
2001 Chevrolet Impala 3.4L transmission
Customer says car started, but would not move. Did eventually move. Had towed to shop. I drove around lot with no problems. Has code B2712 gear shift lock circuit low (in addition to two other security codes). I can't find any references to this code.		 View
2002 Chevrolet Silverado 6.0L serp belt
This truck came in complaining of belt noise after playing in the mud and water. just off idle the belt has an excessive squeel. As you can see there is nothing else to replace. We changed the tensioner twice with a factory tensoner the second time. If we repl...		 View
2003 Chevrolet Cavalier 2.2L timing chain
car came in with timing chain noise, disassembeld valve cover and ft. cover, found guide broken (opposite tensioner side) and the top bolt for guide is gone (in oil pan likely) looking through bolt access hole in cyl. head I can see the threads are stripped. H...		 View
2006 Chevrolet Monte Carlo 3.5L Remote Keyless Entry
This is my personal vehicle, no problems with remote entry/start until yesterday. Remote fobs worked fine, then yesterday evening neither would work. I started the vehicle yesterday morning with the remote, but last night it wouldn't work to lock. Car starts a...		 View
1999 Chrysler Sebring 2.5L Surge
start engine,immediate rpm increase.cannot allow to continue to run or will over rev.throttle plate remains closed.checked tps(good),iac(good)no visable vacuum leaks.new intake gaskets.all connections look good.acts like huge vacuum leak.any ideas?thanks for y...		 View
2001 Dodge Pickup 5.2L lack of power
i am having a lack of power issue with this dodge. Once in a while, it will spin the tires from a stop, but usually won't even at full throttle. I get an intermittent hesitation/stumble on initial accel every few days, also. When i let the vehicle idle for abo...		 View
2003 Dodge Intrepid 2.7L MIL Lamp on
Vehicle was was in for a check engine light. Hook up scan tool. Only had ONE trouble code. P1604 - PCM internal dual-port RAM read/write integrity failure. We purchased a PCM from the dealership (part no. [...]). Installed the PCM and had the Dodge dealer... Trouble codes: P1604 (PCM internal dual-port RAM readwrite integrity failure.), P1776 (Solenoid switch valve stuck in LR), P0841 (LR pressure switch sense circuit), P0731 (Gear ratio error in first), P1790 (Fault immediately after a shift).		 View
1992 Ford Ranger 3.0L Poor Fuel Economy, LEAK
this truck came in with a fuel smell and bad fuel economy, upon inspection we found #2 injectior leaking , externally. we pulled the fuel rail and installed all new o-rings , greased them and reinstalled the rail. now it leaks worse, we tore the system off the...		 View
1993 Ford Explorer 4.0L Stall
Hi techs,this vehicle has a strange problem at cold start.And sometimes warm.What it does is this.When it is cold,it starts fine,and most of the time when you put it into gear,the idles surges up and down and will die,it may start right back up and it might no... Trouble codes: 122 (throttle position sensor circuit low), 114 (intake air sensor).		 View
1995 Ford Pickup 5.8L Clutch pedal
We just replaced a clutch in this vehicle and the clutch pedal releases just off of the floor. It was like this when they brought it in also so it is not a new problem. We had the flywheel turned and put a Ford clutch set in it. They removed .004 from the flyw...		 View
1995 Ford Pickup 4.9L Pinging
This engine was disassembled for a serious blow by problem. Compression range from 100 psi to 170 psi. The top rings in five cylinders were broken and four pistons had broken ring lands. No cylinder wall damage occurred. In looking for root cause of this pro...		 View
1998 Ford Ranger 3.0L MIL Lamp on, Poor acceleration
Vehicle has fuel trims and LT. -25%, ST. -18% at idle and while driving. Accelerates poor when wot because it goes to open loop. Disconnected Evap, PCV, no change. Dpfe works fine. Induce vacuum leak, o2's go lean and fuel trims start to climb. Runs good with ... Trouble codes: p0172 (rich condition), p0175 (rich condition).		 View
1998 Ford Expedition 4.6L Poor Fuel Economy, MIL Lamp on
Started with pulling codes for the evap problem. Corrected with EGR, DPT switches and cleanning out the throttle body and EGR passage.Did a Major tune up, Plugs Wires Air Fuel Filters. Replaced PCV Valve and the vaccume lines. After all this the light came bac... Trouble codes: 171 (lean condition bank 1 2), 174 (testing and results).		 View
1999 Ford Pickup 7.3L front auto hubs engagement/disengagement
Hi all Ford Truck Tecs, This Ford 1 ton complaint was front hubs would click on occation and not lock front end up. Drive shaft would turn but not lock up wheels. Lifted on hoist and engaged front end. No hub engagement. Hook up vacuum pump and pull 5-!0"vacuu...		 View
2001 Ford Explorer 4.0L Misfire, MIL Lamp on
I verifed the customers complaint and the code is stored but I am unable to duplicate the symptom, spark is good, fuel pressure and volume is good. Mode 6 did show a misfire on only cylinder 6 but after I cleared the codes it wouldn't return. Bank 2 fuel trims... Trouble codes: p0306 (cylinder 6 misfire).		 View
2002 Ford Taurus 3.0L Power Locks
All power door locks work 1 time than loose power, They all try to work,Keyfob sends signal ok. Have checked fuses and replaced Gem module. Wire diagram shows a lock and unlock relay but I cant find them, I think they are part of the Gem module The trunk actua...		 View
2003 Ford Explorer 4.0L engine
hay guyes its bi a long time so bear with me i got this ford when you shut off the truck it makes a farting sound iwhen you put your hand on the intake manifold you can feel the noise any help would be appericated		 View
2003 Ford Pickup 5.4L none
no check engine light. no driveability problems. it has a ticking noise in rear of truck.comes in when tou hit a bump.then it will tick until get under 5 mph.this will repeat its self time after time. i unpluged, vent control solenoid,transfer case motor,remov...		 View
2004 Ford Ranger 4.0L Poor Idle Quality, Stall
Mil NOT ON, however P0122 code exists. Idle suffers and sometimes stalls. From the data I have obtained voltage should be around .5 at closed throttle and 5 volts at WOT. I loosened the tp sensor mounting bolts to obtain an adjustment from it's position to bri... Trouble codes: P0122 (TP Sensor Low Input).		 View
2005 Ford Econoline 5.4L Unknown
AIR VOLUME FROM VENTS DROPS INTERMITTENLY.Blows good most of time, then not very hard at other times. Removed blower motor. Found no onstructions.Can not feel air leaking from box but blower sounds normal. When this occurs, the volume is not good out of defros...		 View
1994 GMC Sonoma 4.3L No Start, Surge, Cuts out
Hello all. I have a 1994 GMC sonoma with a 4.3L V-6 with vin W. When it is running and idling it occasionally idles up and then comes way down or else dies. I drove it today for about an hour and then shut it off for a couple minutes and it would not start aga...		 View
1996 GMC Jimmy 4.3L Surge, Cuts out, Misfire, MIL Lamp on
Well heres another one. Truck came in with complaint of no power missing,ect. Plugs ,cap,rotor had been previously changed. Owner also says he has had to replace several coil wires and the injectors. I found the converter to be totally fallen apart inside and ... Trouble codes: p0147 (O2 heater circuit bank one sensor 3).		 View
2000 Jeep Grand Cherokee 4.7L timing chain
Fellow Techs, We have this Jeep that we are doing a Head Gasket repair on and was wondering if timing chain/tensioner replacement was something that you would normally replace during this repair.We mainly work on Euro cars so we dont see alot of this brand of...		 View
2002 Jeep Liberty 3.7L speedometer
Jeep came in for no headlights, rear wipers, blinkers, speedometer etc.. I replaced the BCM. all functions came back except Speedometer. I checked for wires chafing near e-brake cable--checked good. went through Vehicle speed sensor failure test in body book a...		 View
2002 Jeep Grand Cherokee 4.0L a/c compressor clutch
p0645 code alldata dose not show that code for 2002 useing 2001 flow charts ! tested with snap on scanner was able to operate clutch ! seems i am loseing signal in from ecm to trigger relay to power clutch ! any of you chrysler techs could shed a bit of light ...		 View
1999 Kia Sportage 2.0L Stall, MIL Lamp on
hello fellow automotive proffesionals. thank you in advance for any help. i have not been able to duplicate stall. however customer has had vehicle in to me three times with cel lamp on and code #p0335 present. she states that vehicle stalls (usually after sto... Trouble codes: po335 (ckp circuit).		 View
2004 Kia Rio 1.6L Hesitation, Surge, MIL Lamp on
hello everyone i need some help with this. car runs very well low rpms and idle no sign of a problem. start to accl up to about 2500 rpm and it cuts out and surges wouldn't go much over 25 mph. fuel pressure tested within specs, scoped cam and crank signals at... Trouble codes: 171 (o2 lean), 1166 (o2 system).		 View
1999 Lexus RX 300 3.0L Overdrive
Car towed in to shop...barely ran...or moved. Fuel pump and carbon service, fixing Mass-Air plug got vehicle to "rev out" correctly. Pulled tranny pan...decent bit of debris..new filter, fluid and some Trans-Ax and bam, running and shifting OK...However, no Ov...		 View
2002 Lincoln LS 3.9L No Start, Hesitation, Surge, Cuts out
Well, Im a chrysler tech. and my friend has this lincoln. Says it would hesitate while driving and usually have long crank time in mornings.Has the 3.9 v8. Now it intermitently wont start. Has code for fuel pump circuit malfunction #2 or #1? He had a new fuel ...		 View
2004 Mazda 6 2.3L fluid
this mazda came in with a ps leak. the banjo fitting was cracked at the pump. replace hose and sent it on its way. came back a couple of weeks later with low fluid level and fluid all over pump and slung all over by belt. filled up and checked for leaks. none ...		 View
2006 Mazda 6 3.0L shift
All shifts hard, jerks and freewheels between shifts, downshifts very hard suddenly on only slight throttle changes, all violent actions that sound like axles and engine mounts comming apart. No codes in TCM and data looks normal. There was one similar descrip...		 View
1996 Mercedes-Benz SL320 3.2L wipers, turn signals
vehicle came in the shop for body repairs. customer says this condition happened all about the same time. he told me when it started he could use the left turn signal but not the right. and then no signals at all. wipers are inop. washers work. defrost light i...		 View
1997 Mercedes-Benz E420 4.2L No Start
no start, no power to fuel pump. I do not have a 5v (red/grn wire) signal at the fuel pump relay in the relay module with key on or cranking. If I manualy close close the relay coil I can get the car to start. I'm looking to see where to go next as I don't hav...		 View
2002 Mercedes-Benz C240 2.6L coolant level indicator
Hi everyone This vehicle came in with the multifunction indicator showing that the coolant level and windshiel washer level low. We replaced both sensors and it still is showing that both levels are low. Do I need to reset the sensor circtuit with a scanner or...		 View
1994 MINI Cooper 1.3L Poor Idle Quality
There isn't a lot of information on this import. The idle is hanging at 1300 RPM with the throttle closed. There appears to be excessive fuel dripping from the injector/throttle body. The TPS is showing a linear resistance starting at 2.1K. There doesn't appea...		 View
1997 Mitsubishi Eclipse 2.0L No Start
Has good spark at plugs with no injection pulse.		 View
1990 Nissan 300ZX 3.0L power windows
hey nissan techs when i operate window switch from both master and passenger side switch both up and down wires light up test light for positive one should ground. i can unplug my motor and my switch operates correctly ground on one wire and hot on the other. ...		 View
1991 Nissan Pathfinder 3.0L Hesitation, Surge, Cuts out, Stall, Misfire
intermittent rough run wont run bad long enough to test anything		 View
2003 Nissan Altima 2.5L no.19 fuse blows
The customer's complaint is the shifter won't go into Rev or Park. I checked fuses and found fuse no.19 (10amp) blown. This fuse shows to have 13 components on this fuse. I unplugged the easier one to get to which are listed below the key lock solenoid, the sh...		 View
1999 Oldsmobile Bravada 4.3L AC compressor
AC compressor is not being commanded to come on. The Compressor clutch relay has power at the #2 and #3 pins as it is supposed to. The ground command from the VCM isn't happening at pin #1 The master tech works very much like a Tech II and tells me an AC comma...		 View
2000 Pontiac Bonneville 3.8L Stall
Hey everybody this Bonneville is Supercharged. Only when hot the car will stall intermittently, coming off the highway, stop and go traffic, on exit ramps and city driving. The car always restarts immediately. We just cleaned the throttle body and mass air flo...		 View
2000 Saab 9-5 3.0L Poor Idle Quality, Hesitation, MIL Lamp on
hello all, this slaab came into us with a coolant leak from the headgaskets. prior to repair, no MIL light, no driveability issue. Customer gave us the go ahead, to repair the headgaskets. went throught the repair with out too much hassle. standard headgasket ... Trouble codes: p1300 (manufacturer system missfire).		 View
2003 Saab 9-3 2.0L 2-3
While test driving vehicle after the repair I found that it has the common problem of a 2-3 shift flare. I connected the Tech2 and retrieved the TCM software information, this is where I need help. The Tech2 will not read the vin #. When I go into SPS I cannot...		 View
1999 Saturn SL1 1.9L Hesitation
vehicle came in,lack of power on accel and poor shift.miss on #4.did tune up no more miss but still no power,replaced cat because it was giving that burning smell .still no power.had a few where the ect sensor was corroded bad but looks like it has been replac...		 View
2005 Scion xB 1.5L vsc and trac control plus mil ligtn on
Replaced ECM by flow chart and know vehicles setting the vsc and trac control and mil light when vehicle is over 25mph. Has anyone ran into this problem or know if we need to take ECM to dealer to get flashed. Ater lights are set we check for codes and there a...		 View
1998 Subaru Impreza 2.2L Hesitation
read a tsb about replacement of ecm because of knock sensor recordiing vibrations through the motor and retarding the timing with the modis i saw that the timing never went below 12 degrees and the tsb says if it goes below 10 to replace the pcm my next step i...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Audi A6 2.8L MIL Lamp on
I haven't had the car back into the shop yet to follow the tips that I received. The replies consisted of advice to remove the intake manifold and then separate the throttle body from it and clean all the passages associated with EGR flow, paying special atten... Trouble codes: P0441 (Insufficient EGR flow.).		 10
2004 Audi A4 1.8L Trunk Release switch
Thank You Antonio, The car was in valet Mode, I did not see any indication that it was valet mode. The trunk key Lock cylinder needs to be in the horizontal position for the switch on the door to work. Thank you again, I just glad I didnt spend a lot of time...		 4
1986 BMW 325e 2.7L ride control
thank you to all that replied. the final fix on this was; i took driveshaft out for the third time. on the final repair i used a bmw factory center support mount, had the driveshaft re-balanced by another co. the little bimmmer is smooth as silk...sweet. thank...		 12
1996 BMW 740iL 4.4L Defrost Ducts
I am writing to thank the men who took the time to offer their help or lack of help. Perhaps the way that i asked my questions at first impacted how it is that those people who only know how to use thousand dollars tools - replied back - use thousand dollar t...		 5
1993 Chevrolet Lumina 3.1L No Start, MIL Lamp on
Well guys the problem was the module, but the whole computer issue was actual with the Snap On MT2500 scanner with programable cartridges. We luckly enough had a 92 Lumina come in and plugged the scanner up to it and got the same codes. We plugged in the Mat...		 7
1994 Chevrolet Camaro 3.4L No Start
Thanks for all the help, and the question of whether one will have a MIL on a vehicle without a flash is yes. The issue was a broken splice/circuit inside harness. Client assumed that the new harness (read salvage) would repair any issues with power and grou...		 10
2001 Chevrolet Tracker 2.0L No Start, Stall
replace cam sensor costmer has had car for week. no news is good news .we would have herd by now. thanks for help john. 		7
2002 Chevrolet Astro 4.3L steering column
Hi guys, Turns out the intermittent noise in the column was the clock spring.We removed the clock spring and drove it quite a while. Although it was highly intermittent, we are confident we have found the odd noise. Thanks Wayne		 9
2001 Chrysler Sebring 3.0L signals
The column ecu was the fault on this vehicle. 2 techs in the shop suspected this as the failure but actual pin-out tests to verify this were not found, either through iatn or identifix. Thankyou Ken for sighting that you had seen a similar if not the same situ...		 2
2002 Chrysler Town & Country 3.3L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy
Thanks to all for your input.Special at-a-boy to Arthur from Cali. and Alex from Guam for leading me in the right direction. After checking wiring,PCM,fuel pressure,and almost every sensor to no avail---I went back to basics and pulled my upstream O2 sensor an...		 14
1994 Dodge Pickup 5.9L converter lock up
Cleaned battery cables.Turns out Tps was the problem After test drive with modis hook up to tps lab scoop mode it was fast enough to catch the glitch replaced tps tcc is good. Good Work guys you fixed another one many thanks.		 15
1997 Dodge Stratus 2.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Found valve on rear bank bent. Replaced valves. Injector #3 was very restricted. Replaced fuel injector. Engine runs good. Thanks for all the replies. Trouble codes: P0300 (Randommultiple misfire detected.), P0171 (System too lean bank 1).		 10
2000 Dodge Grand Caravan 3.8L MIL Lamp on
Thank you every one that has given me great input. I found the vacuum line off the throttle body going down to the leak detection pump burnt. Location was upwards towards the bottom of the throttle body and it was the plastic part of the vacuum tube that was b... Trouble codes: P1494 (Leak Detection pump pressure switch).		 5
2002 Dodge Intrepid 2.7L Surge, Stall
THANKS TO ALL THAT OFFERED HELP. THIS WAS A 1999 ENGINE AND THE TONE WHEEL WAS DIFFERENT THAN THE 2002. CHANGED IT AND IT RUNS GREAT !! THANKS TO ALL BOB Trouble codes: PO344 (intermitant cam signal).		 8
1993 Ford Taurus 3.2L drive belt tensioner
the customer actually found a functioning, used tensioner in Boston. i received a few links from you guys to sites that have hard to find parts, and although none of them were able to help me they might be useful to you: ...		 12
1995 Ford Mustang 3.8L Poor Idle Quality, Misfire, MIL Lamp on
OK, I ignored the misfire data and went after the vibration. Found harmonic balancer had missing rubber. Replaced harmonic balancer and vibration was gone. MAC MENTOR 3.0 was still reading irratic misfire data but i could not feel it now. shipped the car as th...		 12
1999 Ford Windstar 3.8L rear temp control
I recieved three replies on this and they were all plausible solutions but Daves reply was correct. turns out the feedback circuitry in the blend actutor was intermittant so the REM would default to full hot. What sent me up the wrong tree was the fact that I ...		 3
2000 Ford Pickup 5.4L Mechanical
i got 3 thoughtful replies on this one, and was able to find some more info in the archives. there is a .060 oil feed orifice in the rear cam saddle on the head that can become restricted.one reply suggested switching to 5w20 oil . when i gave the customer an ...		 3
2006 Ford E450 Super Duty 6.8L Poor Idle Quality
After re checking vehicle, found a hairline crack in the hard PCV hose just at the connector close to throttle body. replaced the line and cleared codes. This solved the idle/stalling issue. Trouble codes: P0505 (Idle Air Control System Fault).		 3
2000 GMC Sierra 4.8L runs lean
went to GM with a VIN number off a 2000 chev. 2500 6.0L, and they got the program for that truck and put it in, and its running great now		 4
1993 Honda Accord 2.2L Stall
thanks all you guy that offered help,we can say that this one is fixed, customer is very happy, ,and i lerned something else,ok the problem was like some of you guys suggest, we remove the fuel tank and bingo!!! fuel pump strainer, was completly surruonded b...		 25
1998 Honda Civic 1.6L Timing Belt Marks
No positive information for the pointers on back cover. This must be for different engine. I'm glad we always check marks before dis-assembly. Simply lined up marks the way it came apart and all is good. We used the cylinder head surface for cam gear and arrow...		 9
2002 Hyundai Accent 1.5L Main Catalytic Converter
First let me say Thanks to all members who send me some good advice,and I must say also - very fast !!! As most of them explain to me how the HO2S11 and HO2S21 works and in my case it was like that - the upstream (HO2S11) and the downstream (HO2S21) gave me ...		 11
2003 Jaguar S-Type 4.2L MIL Lamp on
Considering infomation I received there is a lot of vacuum leaking problems with these engines causing P0171 and P0174 codes. I my case I checked every possible vacuum leakage source. No leakage found. Considering code will be set just because adaptations va... Trouble codes: P0171 (lean - bank 1), P0174 (lean - bank 2).		 11
1994 Jeep Grand Cherokee 5.2L Pings
We finally got the customer to tell us that the pinging has stopped. Even during hot weather. What fixed it was 3 attempts to de-carbon and one in-tank fuel injection cleaner. Thanks to all who read my post and gave good responses.		 8
2003 Kia Sorento 3.5L reverse/2nd
I HAD TO WAIT FOR THE CUSTOMER TO BRING IT BACK TO ME FOR REPAIR. THANKS TO RANDY [...] & ROBERT [...]. THE SHORT WAS IN THE HARNESS JUST ABOVE THE RANGE SENSOR.		 3
2003 Kia Sedona 3.5L Starting
Thanks to those who replied, but nobody really hit on anything. The customer took the vehicle, and the problem has not reoccured. Maybe the problem is the "Kia"?		 2
1995 Land Rover Discovery 3.9L ABS warning light
Well friends this Rover is fixed; I had to stop and think,howcome my tech was able to read code 2-14 and after replacing the left speed sensor I could not get the warning light to flash a code ? what went wrong? It turns out that my jumper cable from my new So...		 5
1999 Lexus ES 300 3.0L Steering
Thank you so much for all your help,as it turns out the technician over looked the problem.The u-joint on the steering column in one spot it's movement is not so fluid,we will replace the joint Thanx again		 9
1991 Mazda MX-5 Miata 1.6L Poor Fuel Economy
it turns out we have a classic case of eccessive blow by. we did compression test and all were low but cyl. 4 then a leak down test and had something like 40 % leakage @ cyl. 2 so we replaced the engine and all is good again now this little old ladie from cali...		 3
1992 Mazda B2600i 2.6L Hesitation, MIL Lamp on
thanks to all for the great advice.the lag was caused by the fuel pump screen being plugged.didn`t see it when first did pressure test because guage was faulty.the crap was coming from the old hoses on the return line going back to tank,flushed tank,replaced a...		 4
1997 Mazda B2300 2.3L MIL Lamp on
thanks to all that replied.checked ohms @ comp,ok...,checked volts and v.s.s. at i.p.c. per steve and had both.checked wire from comp to spedo pin 58 gry/blk to pin 1 at c215 at ipc & was good(1.1 ohms).so i put in used spedo/guage cluster, working fine...than... Trouble codes: po500 (veichle speed sensor).		 3
1993 Mercedes-Benz 500E 5.0L MIL Lamp on
Thanks to all that responded. I searched for the diagnostic module under the dash but this car does not have one. I disassembled the control unit box and looked for corroded wires there since there was moisture in it when I first opened it. Everything was ok. ...		 5
2001 Mercedes-Benz C240 2.6L battery
thanks all for your great help...i did replace the modules an vuala problem gone... thank you.. ill be helping as many as i can..		 9
2002 Mercury Sable 3.0L Left Bank Cylinder Head
Well sorry for the delay but the customer needed the vehicle and it took a little while to get him back in. The replies i got for this problem all said the same thing. Try draining a few quarts of oil and replace with tranny fluid. Run anywhere from 15 to 30 m...		 4
1998 Mitsubishi Eclipse 2.0L MIL Lamp on
I had four posts but none really applied to my problem. It was that when I started the car the MIL came on immediately with this code. We had to let the guy have the car till today, and when he brought it in there was no light and the ECM had no memory of cod... Trouble codes: P0403 (EGR Solenoid shorted or open).		 4
2001 Plymouth Neon 2.0L MIL Lamp on
I took Barry's from VA advice and checked with my local dealer. He was right still under the warranty. Thanks Barry. While I was at Dodge I questioned them on SKIM and Re-Programs. The DRB III is the way to go. Us guys here in aftermarket land will have a toug... Trouble codes: P0601 (Internal Controller Failure.).		 7
1993 Suzuki Sidekick 1.6L Misfire
Hi techs. got this problem figured out,Heres what I found... first of all the miss couldnt be pinpointed to a certain cylinder.So I started looking at the crankangle sensor located in the distributor.The signal at times would break up,but not go away. talked t...		 3
1995 Toyota 4Runner 3.0L Poor Idle Quality
Well I took pictures and documented everything I found. Thats about all I can do for this guy. The used car lot wants a second opinion before they will do anything for the guy. He is gonna take it to the toyota dealer. Sounds like they are going to put him i... Trouble codes: 99 (continuous flash).		 4
2000 Toyota Celica 1.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Closing this one, but its not fixed. I had eliminated the vacum leak possiblity initially, and since the stft swung both ways to max, i dont think its a rich or lean condition. for some reason the ecu is changing the fueling to watch the o2 switch (too slow fo... Trouble codes: p0133 (bank 1 sensor 1 slow to switch).		 5
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