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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 6, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Audi A4 1.8L Poor Idle Quality, Stall VIN: WAUBB28D5X
Hello all,have this 99 A4 has no idle ,starts for a moment and will stall right away,I can play with gas pedal and keep rpms of 3 to 4000 no problem ,customer replaced battery,did not want to buy it from us(too expensive)he put a battery from junk yard(7 yr ol... Trouble codes: 1545 (thrttle position sensor)
2001 Audi A6 Quattro 4.2L Door locks VIN: WAUZL54B91
Hey guys. Have a 2001 Audi A6 and the problem is while driving intermittently all the doors will unlock and interior lights turn on. As well at times when doors are locked interior lights will not work at all, im thinking there may be a problem with the centra...
1986 Chevrolet C70 C7D042 6.0L Unknown VIN: 1GDG7D1B4G
Okay, I'm trying to settle an argument with a couple guys at work here, so if someone can chime in (with photos even better). I understand that the Chevy 366/427 medium duty truck engines have a taller block deck height (10.2) and four ring pistons as opposed ...
1995 Chevrolet K3500 Silverado 6.5L Unknown VIN: 1GTHK39F5S
This truck has a 4l80E trans. It keeps setting a trans code# 87 ( High ratio error). If you clear it and test drive it for a few miles you can feel it start to surge and the rpms will go up and down like it is dropping in and out of tcc lock up. If you push a ...
2002 Chevrolet Silverado 1500 4.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Welcome to my nightmare! second time this truck is back! came in with engine light on (p0300) misfire and low power. first time replaced fuel pump and filter cause it would not hold fuel pressure. we just replace the intake gaskets still no fix. tried differen... Trouble codes: 300 (random misfire)
2004 Chevrolet Aveo 1.6L Starter VIN: 1J2R345667
I have a 2004 Chevy Aveo. The customer brought it in and told me that the starter only whines when he turns the key. He said that when he hits the starter with a hammer it would start. It seems like the starter is not engaging with the flywheel. I replaced the...
1993 Dodge D350 5.9L speedometer VIN: 3B7ME33CXP
Hello to all that read this post. this truck came in from another shop with a list of parts bolted on. ie alternator,distance sensor w/pig tail,new speedometer and new ignition switch. The problem is with about 20 min of driving the speedo drops out and the al...
2001 Ford Explorer Sport Trac 4.0L rack VIN: 1FMZU67E31
My question is WHY do these vehicles have a terrible shimmy after lifting on a hoist and manually turning the wheels.The ford rangers and the explorers are the only ones I seen do this.It will go away after prolonged driving but the customers freak when it hap...
2001 Ford Escort SE 2.0L Poor Idle Quality, Misfire, poor acceleration VIN: 3FAFP13P11
This vehicle came in because the owner thought they had a broken timing belt it turned out the vehicle had no compression on cyl # 3&4 after tear down found #4 intake valve seat had come apart damaging the piston and cylinder head leaving debri stuck all in th...
2002 Ford F-150 XL 4.2L intake VIN: 1FTRF18242
Howdy ya'll. What I am working on here is a 2002 F150 with a coolant leak. Found the 90 degree elbow that is pressed into the intake to be leaking. I grabbed it and it broke off. Rusted real bad and now I will have to get the broken piece out. Looks like the u...
2002 Mercedes-Benz C230 Kompressor 2.3L wipers VIN: WDBRN47J82
this benz came in with the wipers in the up position. if i turn them on the #1 setting they wont work. settings #2 and 3 work fine. turn off and still end up parking in the up position. fuses and relays are good. boss doesnt want to spend time since we have ve...
1995 Mitsubishi Mirage LS 1.8L Hesitation, no communication VIN: JA3AA31C9S
customer complaint of lack of power(acceleration), test drove car found to be hesitating when accelerating. runs fine at idle and very light accel, otherwise will bog down and almost stall during accel. problem is vehicle won't communicate with scanner, have t...
2002 Volvo S40 1.9L MIL Lamp on VIN: YV1V529592
2 weeks ago, complaint, "extended crank", mil on, po 101, m.a.f. signal. Replaced fuel pressure regulator, leaking & m.a.f. sensor both o.e.m. 1 week later, mil on, po 101, extended crank, fixed. Customer had appointment for today. Dropped car off, said "mil" ... Trouble codes: P00, 101 (m.a.f. Signal), ECM, 14 (m.a.f. Signal)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 BMW 528i 2.8L rear brakes locked VIN: WBAD06323V
Three master cylinders later and all is well.The first one the pedal sinks slowly,the second one would not allow the front brakes to bleed[created a vacuum when pedal released],third one from a different supplier did the trick.Good pedal stops on a dime with c...
1999 Chrysler 300M 3.5L No Start VIN: 2C3HE66GXX
To all the techs that wanted to help. First a big thank you to all that took the time to reply to my post. I suppose you are all anxiously awaiting the magic fix! I wish I could tell you what that is but this is one of those we had to give up on. The owner did... Trouble codes: P0700 (transmission fault), P1776 (transmission code unrelated to starting problem), P0171 (running lean upper intake was leaking replaced gaskets no more code).
1999 Dodge Ram 2500 5.9L leak VIN: 1B7KC2364X
We were headed towards replacing the unit with an aftermarket replacement, and since we really do not need the heater down here, that is what we are going to do. I appreciate all the suggestions and help.
2006 Dodge Magnum SE 2.7L headlights VIN: 1GLMW3ZTV6
lady picked up car day after i posted this hopefully she will bring it back i think the headlight switch may be bad because the headlights didnt matter warm or cold for a ballast problem and like i had said the front module and the instrument cluster registere...
2003 Ford F-350 Super Duty XLT 6.0L Engine Oil Leak
WOW IT'S FIXED! Thanks a lot everyone. After installing dye, I ran the truck and let it leak. My first leak was the camshaft position sensor causing a leak and oil running down the front of the engine (looked like a power steering fluid leak at first) and that...
2002 GMC Yukon XL 1500 SLT 5.3L 2-1 Down Shift VIN: 1GKEC16Z42
I checked everything over well...1-2 valve worked smooth in the valve body bore and a new shift solenoid didn't help the problem. The plate had only very minor wear in the check ball area. We decided to replace the transmission with a rebuilt unit. It worked w...
2001 Honda Civic LX 1.7L Misfire, MIL Lamp on VIN: 1HGEM22981
Hi gents, Finally I got this crazy Civic figure out, after try to activate the by pass valve ON & OFF using Honda scan tool we did not hear the click. So we track down the wiring at PCM. Indeed the wiring at PCM were cut and modified, I called used car dealers... Trouble codes: P1457 (evap system), P, 0303 (cyl 3 misfire).
1989 Jaguar XJ6 3.6L Accumulator charge switch VIN: SAJHV1545J
After I had read and acted on all the replies, I concluded that I must have a faulty new switch, since I had eliminated the other possibilities. Ordered it and it arrived with the last delivery yesterday. Installed it and Presto! I had power assistance again. ...
1995 Jaguar XJR 4.0L shifting VIN: SAJPX1140S
The consensus was that there could be an issue with electrical connections to the trans at a few different points. I passed the info on to the owner. Thanks to all that responded. Mike
2004 Mazda MPV LX 3.0L Poor Idle Quality, Misfire VIN: JM3LW28A54
I would like to thank you guys for taking the time to help. Steven was right my modis had a bad data cable. That really had me chasing my tail for awhile. It was acting like it was running lean but I found nothing with the smoke machine or carb cleaner. What w...
1990 Porsche 911 Carrera 2 3.6L Cuts out VIN: WP0AB296XL
Thanks for the overwhelming response & support on this one. Unplugging the exhaust ignition amplifier eliminated the symptom, re-connecting it with the engine running, the symptom would return. Removed left rear wheel and exhaust valve cover shield to reveal...
2001 Porsche Boxster Roadster 2.7L can not refill tank VIN: WPOCA29841
Sorry for the delay I was out of the country,,, But we found the problem.. We replaced the vent valve but still had the problem, after more checking found the fuse blown to the power for the reed switch going to the vent valve, upon checking the fuse, it power...
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