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Help Request Answers
2001 Acura 3.2CL 3.2L Cuts out, Stall
On going problem, seems to happen more in warm weather, cuts out at cruise and will restart after a couple of minutes. We decided to replace the main relay (PGMFI relay), as this has cured many Hondas and Accuras in the past with this symptom. Our problem is...		 View
2002 Audi TT 1.8L haldex system
ok hello audi gurus. this rear differential was making a lot of noise when you make sharp turn, or "U" turn. (in reverse or forward). so i did change haldex filter and fluid. no change .After that, did remove complette assembly from car and open the haldex sid...		 View
1992 Cadillac Eldorado 4.9L Surge, Cuts out
I have this Eldo that cuts out bad 1000 to 1400 RPM and only in that range. You can power brake it and in that range it tries to jump out from under the hood. Below that range or above it runs fine. And it has to be under load, it won't do it just revving it t...		 View
1997 Cadillac Eldorado 4.6L no communication
This has been a frustrating vehicle. Came in running with all the lights on the dash flashing and the info center was saying theft sys problem, service airbag, and every other problem that the ipc can think of. I cannot communicated anything through my scanner...		 View
1996 Chevrolet Cavalier 2.2L ipc
Replaced IPC with GM reman, installed new ign tumbler and pass key sensor w/ key. Relearned VTD code. STart problem ok now, but still have erratic lights on, ABS lights come on possibly when ABS motor test should run.		 View
1998 Chevrolet Astro 4.3L No Start
thanks in advance for help, another mechanic here replaced intake gaskets for a coolant leak, now won't start, rechecked dist timing, has normal fuel press, excellent spark, will run with propane, have injector pulse when checked with led style test light but ...		 View
1999 Chevrolet Suburban 5.7L Glass
I can not find any information on how this electrocromatic rearview mirror system on this suburban works in either Mitchell or Alldata (the owners manual does tell what buttons to push) or how to diagnose when it does not work which it does not. The left outsi...		 View
2001 Chevrolet Prizm 1.8L detonation
i have a 2001 chevy prizm , 1.8 liter toyota engine , that spark knocks badly upon acceleration, there is no egr system on this car to check, checked compression, and there is no leakage between cylinders , we have cleaned carbon out with engine cleaner, and v...		 View
2003 Chevrolet Venture 3.4L compressor
Wow!!! Thanks for any help given guys,(and gals). Anyway. I seem to be falling short diagnosing this one. a/c is full of freon. Control head was recently replaced due to a blower switch problem. The problem is that I am not getting voltage to the compresso...		 View
2003 Chevrolet Monte Carlo 3.8L MIL Lamp on
Hey there fellow Techs. I am in need of help. This Monte Carlo came in the other day for an inspection. It had a check engine light, so I started checking it out. P0410 is what I found, so I first checked all the TSBs, and found one that said water was getting... Trouble codes: p0410 (Secondary Air Injection Flow).		 View
2003 Chevrolet c4500 dmax .0L speedometer
Hello everyone This truck came in with speed inp if you drive 20 mph it shows at the tech2 and speedometer that you going 45 mph,i thought maybe speed sensors are bad so i replaced them both,vss and output shaft speed sensor,but it didn`t helo,checked abs for ...		 View
1999 Chrysler Sebring 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on
A few days after the tune up was done, vehicle came back in running very rough and check engine light on. Found P0300 misfire code and a P1391 - loss of cam and crank sensor signal. At that time, we checked cam timing (good) fuel pressure (35-40psi) visually i... Trouble codes: P0300 (Randome Misfire).		 View
2000 Chrysler Cirrus 2.4L Unknown
This Cirrus developed a clunk in the front end a couple months back. Sounds/feels like it's near feet of driver and sometimes passenger front. Happens very rarely, only after sitting for sometime, and will clunk (only once)driving ahead or backwards and turnin...		 View
2000 Chrysler Intrepid 2.7L fuel pump
ok this should be a simple one...i hope...went through all the checks and diags for no start with no codes found. checked the compression to ensure timing components ok and changed the plugs(original plugs and toasted to the nub..not part of the repair but sin...		 View
1996 Dodge Intrepid 3.5L MIL Lamp on
Help all Doge techs! We have this intrepid here setting a p0175 bank two too rich. Customer replaced both o2 sensors for this code and when they didn't fix it he came to us. We have been all over this car and cant find anything wrong- any ideas as to what we a...		 View
2004 Dodge Durango 4.7L all
I test drove it to confirm the running hot, trans shifted fine, pulled it up to the bay, the tech does the water pump, (plastic impeller breaks and don't pump efficiently) and was going to test drive it and the trans will do absolutely nothing no matter what g...		 View
2005 Dodge Stratus 2.4L belt tensioner
%$%$#%$#^$&$@@!!! Its friday at 4:30pm and this guy comes in with wet carpet on his stratus, oh and also making a rattling noise when the a/c is on. I take a look and the drain is dripping, look up inside with a boroscope all clear, give it a blow job anyway (...		 View
1996 Ford Windstar 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
this van came in because the check engine light was on. the customer says they can drive it forever and it runs great. however, when they shut it off and let it sit for 10 to 15 minutes it idles rough and wants to stall. it had dtc p0171 and p0174. both codes ... Trouble codes: P0171 (bank 1 lean), P0174 (bank 2 lean).		 View
1999 Ford Econoline 4.2L Hesitation, Misfire, MIL Lamp on
Problem started as a misfire,Scanned got code p0305 cyl. 5 misfire,replaced plugs,wires.Problem still there same code.Replaced cyl 5 injector and downstream o2 sensors and cleaned intake with cleaner threw vacum.After that erased codes and reran now got a code... Trouble codes: p0305 (cyl 5 misfire), p0300 (multiple cyl misfire).		 View
2003 Ford Econoline 6.8L Mechanical
As always thanks in advance. The transmission will not upshift unless ease-off on gas pedal, on every gear. But, on slow, light acceleration the transmission shifts normally. I've checked codes, and scanner readings indicate that 1st gear shifts to 3rd sometim...		 View
2003 Ford Mustang 3.8L Poor Idle Quality, Misfire, Poor Fuel Economy
Vehicle misses slightly when cold. misses and runs very poor hot.		 View
2005 Ford Pickup 5.4L Poor Idle Quality, Surge, Cuts out, Stall, MIL Lamp on
after completing the tune found that the root cause of symptoms was due to collapsed timing chain tensioner so replaced the whole set now on decel warm engine runs rough and nearly stalls set p0022 cam erro on left side ranges from +60 to -40 rt side +2 to -3c... Trouble codes: p0022 (camshaft bank 2 overretarded).		 View
2006 Ford Pickup 6.0L No Start, Stall
the following has been completed by a local ford dealer a new ipr and a icp sensor replaced . the symptomn that happens is as follows truck starts and runs fine shut off hot no restart monitor icp less than 40psi cranking ipr % is 65 i have checked for leaks a...		 View
2003 GMC Safari 4.3L vibration
cusomer took vehicle on vacation. engine light came on 500 miles into trip. bank two sensor one bad . replaced. customer complained of hard vibration in gear at idle. this is so bad that the exaust system shakes sooo bad that a audible resonation can be heard....		 View
1995 Jeep Grand Cherokee 5.2L No Start
Hello all, this one is killing us. Had it in for speedo in-op. VSS was bad, very poor scope pattern, replaced sensor, scope pattern great but still no speedo, raised it back up to check the clocking position of the sensor head/gear. Vehicle died. No spark, no ...		 View
2000 Jeep Cherokee 4.0L Stall
I need some help with this Jeep Cherokee. We just put in a used engine, and now on cold start up it stalls out. I have to play with the throttle to keep it running until it warms up a bit. Will do this until the engine is nice and warm. I have performed all th...		 View
2000 Lexus GS 300 3.0L Hesitation
Acceleration is very poor and RPM's peak out at about 4K. It feels like retarded timing. Running the car with generic OBDII scanner shows timing starts at 6 and stays below 10 degrees BTDC when accelerating to 4K RPM. It increases to 28 degrees when decelerati...		 View
1994 Mazda MX-3 1.8L Hesitation
vehicle came in on a hook, customer stated started running poorly several months ago and just now able to have repaired. vehicle does not go over 1000 rpms in drive. will rev in nuetral and can go to 4500 rpms. cars spits and sputters when u try to take off in...		 View
1998 Mazda MPV 3.0L poor acceleration
This is a very wrn out rig, but it came in running bad and I found the three solenoids at the left rear on the valve cover to be disconnected and generally messed up. I used mitchell to trace out the wiring connections and got those hooked up properly accordin...		 View
2002 Mazda 626 2.0L Misfire, MIL Lamp on
replace coil plugs wires camsensor and made sure timing was on, the car ahs not syptoms but the light keeps coming back on sometimes it take a week. please help Trouble codes: p0302 (random misfire), p0316 (mis fire within first 1000 rpm).		 View
1992 Mercedes-Benz 300SL 3.0L Cuts out
The car starts and runs great for us. The customer complaint is that occasionally after driving for 20+miles the car will start to miss and die - cranks but will not resart. By the time it's towed in it starts and runs great. We pulled code 15 out of system (i... Trouble codes: 15 (ignition signal).		 View
2000 Mercedes-Benz CLK430 4.3L No Start, Stall, NO POWER
We have a CLK 430 here, that has interrmittent low fuel pressure. Car was towed in for a no start. Of course the car starts virtually every time. Only when the car is at operating temperature, if you turn off the engine, wait approx. 10 seconds and attempt to ...		 View
2006 Mercedes-Benz R350 3.5L reset
This R has me really frustrated. We do lots of newer MB services, and I know the maintenance reset procedures can be tricky, so far this one is a no-go. We are going by procedures in Alldata, and we usually have good luck with that, but sometimes they do miss ...		 View
2003 Mitsubishi Lancer 2.0L No Start
This car was towed in no start and is an out of state vehicle.Checked pwr to fuel pump 10volts,replaced fuel pump,still no start.Swap main relay w/at relay and swap fuel pmp relays,no start,car runs with pump straight wired.Now no voltage to pump at connector....		 View
1999 Nissan Pathfinder 3.3L Alarm
While in for service this customer mentioned that lately hes been woken up by the alarm in his truck[5 occurances]Its kept in his garage under lock and key so I dont think its a critter issue.Im not familiar with the system and mitchell is sketchy at best.What...		 View
1999 Oldsmobile Aurora 4.0L head lights-park lights
i have tried to look at all diagnostic charts -failures i am at a stand still?		 View
1999 Saab 9-5 2.3L No Start
ok i really need some help, this car came in on the hook the other day with a bad battery. we put a battery in it and it ran for about 2 min. checked and alternator was not charging, racked car cked to make sure alternator was getting power and it was. put the...		 View
1986 Toyota Pickup 2.4L Excessive Emissions, Misfire
I'm not big on parts swapping but this one has me stumped. The truck came to us because it would not pass smog-would not hold a steady cruise during the test account (random?) misfire. Originaly we found the vehicle to run very rich and noticed poor O2 activit... Trouble codes: 5 (O2 Sensor).		 View
2002 Volkswagen Jetta 2.0L No Start
Hello, I need some advice with a VW Jetta. It was towed in today for a turn over no start. I verified the concern. The vehicle does not have ignition spark or injector pulse. It does not any codes . I do have signal at and from the crank sensor to pcm and sign...		 View
2002 Volvo V70 2.4L Air quality sensor
Hi everyone. Thanks in advance for your help. We have an interesting problem on this Volvo. The customer brought it in because after driving awhile, the A/C comressor shuts off. I checked the system pressures and everything seems normal, though the evaporator...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Audi A6 3.2L MIL Lamp on
thanks to all who responded,talked to a local dealer,it seems they are having problems with the variable timming gears(more so on the 2.0)but the used car lot had no intention of doing any repairs like that,so they took it back to the auction Trouble codes: 16725 (cam position [...] implausible signal), 16750 (cam position sensor bbank oneg300 implausible signal).		 4
2000 Buick Century 3.1L starting
Turns out we had two bad brand new batterys. One bad delco and one bad napa battery. Plus our jumper battery is junk. So the third new battery took care of it. Nothing but the best parts! Dont overlook the obvious... We just happened to get some "new" old stoc...		 23
1994 Cadillac DeVille 4.6L Starting
The first reply from Jon in Maine was the fix. This car had an aftermarket alarm system that we nor the customer knew about. I took the alarm system out and the car started everytime but the security light was on. I noticed 2 wires going to a toggle swtich. I ...		 2
1999 Cadillac DeVille 4.6L MIL Lamp on
accually the 'exp id 140 code' is not a code at all it is a message number for the ip , if you look far enough in the owners manual or alldata it will explain all this. Thanks to all who replied Dale		 3
1988 Chevrolet Corvette 5.7L No Start
Thanks for the help guys we do have this one fixed. There are only a few bolts that hold the dash pad on. Once you pull the pad off the module is right there. We pulled the module out and found a suspicious looking solder joint as well as very slight corrosion...		 7
1991 Chevrolet Cavalier 3.1L No Start
thanks for all suggestions, fix car with ignition switch. had supply power in run and crank but would lose in run position after a few seconds. contacts were burned.		 17
1993 Chevrolet Corvette 5.7L engine
thank oyu to all those who responded. i appreciate your help in finding the solution. there were two problems, the first problem the radiator was partially plugged, and the second the computor was not telling the primary fan to turn on at times. iflushed the r...		 26
1995 Chevrolet Corsica 3.1L No Start
No luck on this one. Injectors tested 12.1 to 12.3 ohms each. power supply and circuits to ECM are good. Vehicle runs if fuel added into intake. So I am starting from scratch. Pin voltages and circuit tests. I will post something one way or another.		 9
1998 Chevrolet Suburban 5.7L starter drags hot
Thanks guy's.I retarded the dist. one tooth and it ran like the timing was to slow also set code for ckp/cmp correlation. Ireinstalled the dist.as it was and checked starter current draw.It pegged my 600 amp gauge. What are the odds that the defective starter ...		 13
1999 Chevrolet Pickup 7.4L Poor Idle Quality, Misfire
Well just as my gut feeling told me the plugs were the problem all along. Thanks to everyone who replied. The customer stated the misfire was there before he replaced the plugs and wires, and was more than likely a bad wire or two having never been tuned up i...		 14
2001 Chevrolet Cavalier 2.4L a/c compressor performance
We replaced cooling fan motor. Original fan was not spinning fast enough for the amount of current it was drawing. Thanks for the 15 replies. All seemed aimed in the right direction		 15
2001 Chevrolet Express 5.7L No Start
this van had low fuel pressure. it was at 45. customer has now said he replaced pump with aftermarket one. i put oem in and all is good. thanks for all the inputs.		 7
2003 Chevrolet Express 6.0L ABS Module
Well Gentlemen and ladies, this van is repaired. The fix was indeed a failed EBCM. The flash and/or module appears to have been corrupted by installing an aftermarket GPS unit in the vehicle. GM Dealerworld advises that the use of certain GPS units can cau...		 4
2001 Chrysler Sebring 2.7L blown fuse
thanks for the help on this. seems that the starter was drawing to much current & some how feeding back through the hazard fuse. replaced the starter & so far so good. thanks again!		 4
2001 Dodge Intrepid 2.7L No Start, Poor Idle Quality, Hesitation, Cuts out, Misfire
THANKS TO ALL WHO TOOK THE TIME TO HELP.WE CHECKED ALL THE CONNECTIONS,ALL LOOKS GOOD.SO WE ESTIMATED THE CHAIN SOLUTION AND THIS WAS BEYOND THIS STUDENT'S BUDGET.THE STRUGGLING STUDENT TOOK THE CAR,BUT WE ARE CONVINCED PROBLEM IS IN CHAIN AREA.ONCE AGAIN THAN...		 7
2002 Dodge Stratus 2.7L No Start
we purchased a used computer programmed it. started right up. test drove and many repeated starts every thing looking good. thanks for your replies. Trouble codes: 201 (injector circuit openshorted cylinder 1), 202 (cylinder 2), 203 (cylinder 3), 204 (205 -), 205 (206 -), 206 (testing and results).		 5
2000 Ford Escort 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall
okay first of all thanks to all that replied. i came to work this morning with a clear mind. First I retimed the vehicle using the bar and the peg ( had to grind the peg and remove the cooling fan to get it in). that made no difference in the way the vehicle...		 4
1999 Honda Civic 1.6L MIL Lamp on
THANKS TO EVERY ONES HELP ON THIS, I KIND OF KNEW THE CONVERTER WAS BAD , I GUESS I NEEDED ASSURANCE TO MAKE THE RIGHT RECOMMENDATION TO THE CUSTOMER, WE REPLACED THE CAT WITH OEM AND ROAD TEST AND AND CUSTOMER HAS IT FOR TWO DAYS AND IT SEEMS FINE, THANKS A... Trouble codes: PO420 (catalytic system efficiency below threshold).		 21
2002 Jaguar X-Type 3.0L Battery Draw
Hey Guys, Thanks for the replies, I suspected an intermittant draw and thought I had caught it when reading the 200 milliamp draw, but after 30 minutes this went down to 11 milliamps. This car was a no start on two occasions with a new Interstate Battery. Batt...		 7
1993 Jeep Grand Cherokee 5.2L Unknown
well I bit the bullet and put a remaned tranny in it and its fixed. I wish I know what was wronge with the old one if the builder lets me know I will update and let you know.		 8
2000 Lincoln Town Car 4.6L radio back light
only received 1 useful response from steve. customer has not brought car back as of yet, we work on this car 2-3 times a year & will see it again. steve's response if there is not a wire in pin 1-which there is not power for back light most likely coming from ...		 4
1993 Mazda MX-6 2.5L Poor Idle Quality
Good afternoon Techs, Got 5 replies on this one and most said to check for air leaks in intake duct but Andrew nailed it! He mentioned coolant temp sensor so we checked it and the terminals was coroded. Cleaned it and she works great. Thanks to all who answer...		 5
2000 Mercedes-Benz C280 2.8L draw
well after letting car sit for 10 -15 days the draw was gone couldn't duplicate, this is a strange problem! By the way this car doesn't have seat module		 11
2000 Mercedes-Benz S500 5.0L Front airbag
First I want to thank all who replied. I have ordered the new strut. It is infact the bag that is leaking, some very useful information, and also how not to support a dropped vehicle. Seems very simple repair, but just wanted to insure that there were no sp...		 6
2001 Mercedes-Benz SLK320 3.2L vario top,interior,wipers
I would like to thank all that replied to my problem. To Jason from Florida, we did recheck all fuses and had correct amperage fuses installed. To Mark from South Africa who gave us the most help. We really went off on the interior light circuit and isolated e...		 3
2002 Mercedes-Benz C230 2.3L 1-2 / 2-1 shift
The car has been fixed. Not by us, but the dealer. With such low mileage on the car, we recommended taking the car to the dealer. The dealer found coolant in the ATF. We did see the bulliten, but did not notice coolant in the transmission oil. According to the...		 3
2004 Mercury Monterey 4.2L Misfire
Good Morning and Thanks to all who offered help. A number of people(Richard, Bob & Kent) described EGR passages that tend to clog up in this engine which sends all the egr to one cylinder thereby diluting the charge. While that was certainly possible I don't b... Trouble codes: p0171 (Bank 1 Lean).		 6
2001 Mitsubishi Diamante 3.5L lights electric windows
Three of the 4 replys were not much help but helped me eliminate some things but Ted from california put me on the right track it was not the instrument panel ecu but the instrument panel assist ecu located behind the right side kick panel it had gotten wet fr...		 4
2002 Nissan Altima 2.5L No Start, Poor Idle Quality, Misfire
Hi Guys Thanks for all who replied, I found the fuel press. was dropping from 50 psi too 10 psi with in an hour. replaced fuel pump assy. and now it only drops to 40 psi over night. They pick up the veh. two days ago, no news is good news. Thanks again. Trouble codes: P0300 (multi cyl. misfire).		 13
2000 Pontiac Grand Am 2.4L Cam Supports
Thanks to all for your replies, This vehicle remains a mistory. We ordered all parts from GM to remove, check & replace the cam supports. After one week, the customer came in to inform us the oil leak completely stopped and would not need to pursue the issue. ...		 3
1979 Porsche 928 4.5L Unknown
Sorry about not closing this sooner- we replaced the brake master cylinder to correct the issue and all is well. Thanks, Greg and crew		 3
1994 Saturn SL 1.9L MIL Lamp on
Thanks to everyone that helped. Everyone pretty much said the evap and egr solenoids were at fault here . Also stated that the new pcm had to be programmed . I went back and redid my diag . I was still sold on the bad ... Trouble codes: 26 (quad driver failure), 27 (quad driver fault).		 7
1991 Subaru Legacy 2.2L Timing Belt
Most of you were right! We put a T-Belt on it today and It now runs great. Thanks again for your help!!		 14
2002 Subaru Impreza 2.0L icing on low side line and evap
I just wanted to thank everyone for responding and helping me out.I had a lot of great responses. Bradley from Missouri had it right. I got a new expansion valve and it worked. 32 on the low side 200 high side. 35 degree vent temp. The only thing else I saw wa...		 12
1999 Toyota Camry 2.2L MIL Lamp on
thanks to all who replied to my request I replaced the aftermarket Cat with a Factory Cat cleared the codes and the car is down the road every ones info was great and helpful to sell the correct fix he is fighting with Midas to get his money back there were th... Trouble codes: P0420 (Catalytic converter efficience low).		 12
1999 Toyota Avalon 3.0L MIL Lamp on
WIII I BELIVE THIS CAR IS FIXED. IWANT TO THANK EVERYONE FOR THERE HELP.EVERY REPLY I RECEIVED WAS VERY HELPFULL.IT TURNED OUT TO BE A BAD AFS.ON BANK 2 RAD SIDE.THIS SENSOR WAS NEW OEM CODE 171 IS BANK1 RUNNING LEAN,I REALLY DID NOT PAY ATTENTION TO FEUL TRIM... Trouble codes: 171 (lean exh. bank 1).		 5
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