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Open Help Requests for All Makes and Models
Help Request Answers
2003 Acura 3.2CL 3.2L Safety
Hello every one, i have a 2003 Acura CL, THE BATTERY WENT DEAD OVER NIGHT, the key was left in the igntion over night, and the battery drained, i charged the battery and when i started the car the srs light stayed on. the pass side seat recognition light come ...		 View
1990 Audi 100 2.3L MIL Lamp on
we are asking for help with this audi.mil light is on with a hard code 2123 stored.vehicle runs great but will not pass smog test due to mil light being on.we tested the idle & full throttle switches both test good.tested circuits from switches to fuel control... Trouble codes: 2123 (full throttle switch always high).		 View
2004 Audi Allroad 2.7L Surge
2004 audi allroad- customer states there was high idle condition with her foot on the brake parking lot manurers-She was so stunned by this incident that she called up to come and get her car. we have not been able to duplicate the problem after two days of dr...		 View
2005 Audi A8 4.2L Drive train
Hello to all, I have this Audi A8 that has a rumble, but only under certain conditions. It is more noticable when car is warmed up or has been driving for a bit, but I do hear it all the time. It will rumble when turning, either way. It will rumble when going ...		 View
1997 BMW 318i 1.9L Coolant fan
Coolant fan shorted, burned out both relays.Fan ,both relays,coolant sensors replaced,fan will only run when AC is on.I think computer is bad,need better info for testing.		 View
1997 Buick Park Avenue 3.8L Compressor control
For starters vehicle has full refrigerant charge. With the original pcm when a/c was commanded on with the tech2 the compressor engaged and the system cooled. The output leg of the circuit is completely functional(pcm grounds compressor relay and compressor en...		 View
1979 Chevrolet Camaro 5.7L engine
I have a 1979 z28. I notice the temp gauge goes high when I`m on the highway. If I drive around on the city, it runs cool. I have a350c.i.d. engine out of a 1980 chevy k10.It never ran hot in the truck. It has about 5,000 miles on it since the rebuild to stock...		 View
1989 Chevrolet Corvette 5.7L No Start
Customer stated car was hard to start when warmed up. Car starts o.k. cold. Test drove car found it performed normal. Parked in front of building and shut it off. Ten minutes later it would not start. Had spark out of spark tester. Fuel pressure o.k. Fuel volu...		 View
1997 Ford lincoln 4.6L happen sometimes
check, no computer code. engine run great at idel , but when shift in gear , it die. sometimes when it hot, shift no problem and run great. any advice where to look for this problem... thank you...		 View
1997 GMC Jimmy 4.3L power windows
hello fellow techs,i got this 97 jimmy all power windows not working.i dont have power to the window circuit breaker at fuse panel,mitchell doesnt show what supplies power to the breaker,can somebody give me the right direction the problem.thanks in advance..(...		 View
1998 GMC Jimmy 4.3L compressor
I have this 98 Jimmy that came in with no A/c. Compressor inop. Normally low freon leaking compressor case. Freon levels are OK. I connect OTC scan tool and code in a/c section of B0161, ambient sensor high. Inspected nothing out of the ordinary sensor measure...		 View
1999 Honda Accord 2.3L No Start
This car was tuned up and then returned a week later as a no start. It had an aftermarket alarm which was removed. It would disable the starter. Factory anti theft is okay.The light goes out after a few second when key is turned on. I installed an aftermarket ...		 View
1994 Mercedes-Benz SL500 5.0L anti theft alar
The anti theft alarm goes off intermittently once every couple of weeks. I cannot access it with Modis 8.2. So I cannot read any codes. Any clues on where to begin on an othewise perfectly working system. It does reset with the key and starts and runs fine.		 View
2003 Mercedes-Benz C230 1.8L wiper motor
i have this vehicle in my shop and the wiper blades and windshield squirters do not work-all data has un readable diagrams-mitchel doesnt have any info at all-if i could get a good schematic im sure we could figure this thing out - all fuse are good- if any on...		 View
1999 Mitsubishi Montero 3.5L timing belt tensioner
I have conflicting information on how to setup the tensioner on this. Could somebody please tell me whether to set this so that you can freely reinstall the locking pin after rotating the engine a few times or if there should be .19-.22" of clearance between t...		 View
2000 Toyota Tundra 4.7L Cuts out, Misfire, will not set a P0308
Client returned with an intermittant misfire on the #8 cylinder, most often at 2000-2500 rpm. Swapped out coil, plugs, injector with know good ones. Compression good at 150. running compression at 45-50. Misfire monitor for #8 cylinder goes crazy when it start...		 View
2001 Toyota Camry 2.2L unknown
hi. techs this car came in for different problems, one is very spongy brake pedal which go to floor. w.cs and calipers tested very good, no abs just plain hydrolic brake system and booster. changed master cylinder with reman. then new master, make no d...		 View
1999 Volkswagen Cabrio 2.0L Power to Compressor
Hope folks can help as I'm tearin' my hair out on this one. Came in with non/working A/C. Replaced compressor, dryer, and expansion valve as clutch noisy when jumped. Evac system, go to charge, compressor will not cycle on, however cooling fans work. Compresso...		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Acura 3.2TL 3.2L compressor
This one had me stumped,however i believe problem is with pcm as diagnostics suggested.one reply was concerned that problem might be in control head since it would'nt go through it's own diagnostic routine but i had checked a/c output from control head which s...		 9
1994 Cadillac Eldorado 4.6L MIL Lamp on
I'm 95% sure the PCM is the problem. Next day, No codes. The thing I noticed was the "Check Engine" lite, only blipped on when the key went to run. Then came on during cranking, and went off at engine start, With no codes present. That to me is a PCM go'n sou... Trouble codes: 23 (Ingnition controll problem).		 5
1997 Chevrolet Pickup 5.7L No Start
Tanks for all the input. We removed the upper intake and poppets to verify that they where all pluged, once removed you could run the injector with the tech 2 or just touching the control side to ground but no fuel spray. Replaced with the updated unit and all...		 11
2006 Chevrolet Silverado 4.3L MIL Lamp on, dlc connection
The transmission was replaced wich fixed the shifting issues. The scanner communication seems to be a reflash issue. GM has a reflash for the pcm to help with aftermarket scan tool communication. A Tech 2 revealed a codes relating to trans. component slipping ...		 5
1994 Chrysler LHS 3.5L No Start
Cam sensor fixed this one. Apparently the 11 fault code for crank sensor was an ECM reporting mistake. Since these two (and others) are on the same circuit if one fails it pulls reference voltage down for the other sensors. A key point would have been to loo... Trouble codes: 11 (Ignition crank reference not detected).		 13
1999 Ford Taurus 3.0L Defroster door vacuum control
The update is in error by one of my guy's road test evaluation. There was no time at which this system would really make the trip to the vents that I could verify. The upper actuator leaks. There are two identical vacuum actuators connected to the yellow line ...		 7
2004 Ford Pickup 6.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire
Well. Thanks to all who replied. After speaking with the dealer, I found out they installed several "know good" USED coils to save money...I instructed them to remove them and install NEW coils so the whole pack was new. A Ford Instructor also advised me ... Trouble codes: p0502 (VSS signal unstable).		 4
2004 Honda Accord 2.4L MIL Lamp on
Customer declined repair. Paid check out time and said he would fix it himself. Trouble codes: P0404 (EGR circuitperformance).		 12
1998 Isuzu Rodeo 2.2L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on
First thanks to all who took time to respond. I wish I could say we found some extroadinary fix that was the cause of all our grief but that was not the case. Special thanks goes to Davon. You hit the nail on the head with the correct routing on the coil pack.... Trouble codes: p0300 (multible cylinder misfire).		 6
2001 Isuzu Rodeo 3.2L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
We replaced the Ion sensing module because of the code P1312 kept coming up and no change. The customer wanted to try a used PCM and its now fixed. There must be something in the PCM that will allow one side of the engine to run rich if it fails in a certain w...		 10
2001 Kia Sephia 1.8L hydraulics
Many good replies, defective master, binding caliper slides, etc. Isolated master and had good pedal. Released fronts, still good pedal. Problem was from the rear, bled it some more, still no good. Removed drums and realized the rear cylinders are not mounted ...		 9
1990 Mercedes-Benz 300SEL 3.0L compressor
Thanks to everyone who helped, all good suggestions. It turned out to be defective rebuilt MAS units. I thought that maybe the A/C clutch was pulling too many amps, blowing out the MAS unit, but it was less than 4 amps. A good MAS unit now keeps the compressor...		 6
1999 Nissan Pathfinder 3.3L Evaporator
I have not fix this Pathfinder yet, I have been studied about what you guys told me, I told customer to bring it back so I can try to fix it. Customer told me she is soo busy, will bring back, been driving with bath towel on right side floor board. Any way tha...		 4
2004 Other European Cont GT 6.0L MIL Lamp on
Thank you for the responses. Thank you very much for your help Colin. With his help I was able to conclude that the vehicle was ran at the bodyshop and excessive bodyshop dust caused the problems. It made the sensors clog up. Ordered new sensors and down t... Trouble codes: P0414 (Sec. Air Inj. Switching Valve A Cir Shorted), P0417 (Sec. Air Inj. Switching Valve B Cir Shorted), P0102 (MAF Low Input), P1168 (MAF 2 Low Input).		 2
1995 Pontiac Grand Am 2.3L Rear Brakes
Thank you to all who replied, I got a lot of good information. I believe i had a couple things contributing to this problem. As it turned out we replaced the front brake calipers, Pads, and rotors. cleaned and readjusted the rears and as luck would have it it ...		 14
1999 Subaru Legacy 2.5L speedometer
There were a bunch of good replies to this post all of which helped lead me down the road to solving this one. This car uses 3 speed sensors mounted to the left side of the trans case (2 vehicle speed sensors and 1 turbine (torque converter) speed sensor). O...		 9
1994 Toyota Camry 2.2L No Start, Stall
some of your replies said to check temp sensor,I had looked at scan data of it a few times before and it seemed accurate. So I hooked scope to it after idleing for 15 or 20 min. car died and I was lucky enough to catch a glitch in sensor voltage. The connector...		 13
1999 Toyota Camry 2.2L MIL Lamp on
Turns out that there were 2 different forces fighting me on this one. After I originally tried 3 different scantools I went back to the Mastertech with the Toyota software, problem is I never tried different scantools AFTER I pulled the other wires off the bus...		 3
2002 Toyota Celica 1.8L engine
thanks for the replies, thanks to whomever pointed out the 2 piece block, guess i will pull it and do the whole show...no short cuts for this poor guy.		 4
2002 Volkswagen Jetta 2.0L Unknown
THE CUSTOMER FINALLY BROUGHT THE CAR BACK FOR US TO LOOK AT IT AGAIN-WE ENDED UP DOING A RECHARGE ON THE AC SYSTEM WE DID NOTICE THAT IT WAS A BIT LOW- BY A HALF A POUND-BUT WHAT WE DIDNT CATCH THE FIRST TIME WAS THAT THE RADIATOR FAN WAS SEIZED UP-SO IT WASNT...		 2
1998 Volvo V70 2.4L Heater fan
Thanks for your response. It has provided some good possibilities, however the customer was unable to bring the vehicle back as planned a week ago to try these tips. will be another week or so till can be here. In the mean time we were working on a 94 850 that...		 7
1999 Volvo S80 2.8L Brake Pedal
So at the end, it seems that bleeding the brakes was the main cause. We bled the system atleast 7 - 8 times, until we began to see a result. THanks to everyone for all your help, truly appreciated		 7
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