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Prev Professional Automotive Repair Technical Discussions for July 18, 2007
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Help Request Answers
2001 Audi A6 Quattro Avant 2.8L abs module VIN: WAULH64B91
Hi there this audi apparently has a bad abs controller. I havent put one on in a year the dealer stocks the repair unit my question is the ones ive replaced I just bolted on no coding required ,is this still the case or must it be coded? thanks for any replies
2002 Audi A4 1.8L No Start, Hesitation, Misfire, MIL Lamp on VIN: WAULC68E12
Hey Guys, I have a 2002 Audi A4 1.8 Turbo Quattro. It was brought it because it would not start for the customer after is sputtered and stall. It was towed in and we replaced a bad coil. Two days latter the same thing happens. This time I go to pick up the ca... Trouble codes: P1225 (Also know as P0261 VAG 17633 Injector Cyl. 1 N30 Short to ground-error occurs intermittent), P0300 (Random Misfire), P0301 (Cylinder 1 misfire)
1995 BMW 740i 4.0L Anti-theft VIN: WBAGF6323S
1985 Mercedes-Benz 500SEC 5.0L coolant VIN: WDB1260441
Ok this one is kind of odd. About 4 months ago this beautiful mercedes came to me with the complaint that in traffic the car would run a little hot. The first thing I did was check the fan clutch, of course it was shot! So i replaced it with a O.E unit. The ca...
2002 Mercedes-Benz C230 Kompressor 2.3L battery VIN: WDBRN47J52
This car has a draw on the battery and it will go dead in a couple of days. The battery tests fine when fully charged and the charging system is working correctly. With everything turned off the batt. has a draw of .8-.9 amps.. Unpluging the radio will reduce ...
1988 Porsche 928 S4 5.0L all warning lights in inst cluster VIN: WPOJBO920J
Vehicle came in with empty battery, charged battery, replaced door switch causing draw and replaced alternator due to a old problem with dash light staying on. First all red warning light in instrument cluster stayed on all the time, after a time light started...
1990 Porsche 911 Carrera 2 3.6L Mechanical VIN: WP0AB2965L
Need some help from you porsche techs. just resealed the whole engine and replaced timing chain tensioners. I have a loud knocking noise that seems to be coming from the timing cover area on the driver side. Is there a way to bleed air out of tensioners, sound...
1997 Volkswagen Cabrio 2.0L Clutch pedal VIN: 3VWBA81E6B
Hello all, I seem to have a head scratcher here. We replaced the clutch on this Cabrio about six months ago. It did have the Mexican flywheel so we replaced it and the cable also. This week the car came in with the complaint that the clutch pedal droopped to t...
1999 Volkswagen Jetta GLS 2.8L MIL Lamp on VIN: 3VWSE29M9X
This vehicle came in with MIL on, pulled code 17748 (P01340)Cam/Crank pos. sensors out of sequence (Code desc. from Mitchell). Using a Solus scanner equipped with euro software I got the description -Cam/Crank angle sensor wrong combination of ECU's-. I hooked... Trouble codes: 17748 (P1340 Cam/Crank position sensors out of sequence)
2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWAA23B1Y
This 1.8 passat has a recurring P0411 fault for secondary air, incorrect flow. The car initially came in 5/07 with an MIL having the same fault. The combination valve was stuck open with some miscellaneous broken vacuum lines. The valve was replaced and the li... Trouble codes: P0411 (Secondary air injection incorrect flow)
1986 Volvo 244 GL 2.3L Excessive Emissions VIN: YV1AX8853G
We have this Volvo that is running extremely rich at all times. Whether it is warm or cold there is black smoke pouring out of the tailpipe. Went through IATN archives and checked the following from what I found there. There is no fuel in the fuel pressure reg...

Fixes & Summaries for European
Fix/Summary Answers
1990 Audi V8 Quattro 3.6L Surge VIN: WAUKE5443L
WOW!! The Audi techs hit the nail on the head! We did a complete timing belt job and continued on the car. The idle switch wasn't closing and was causing the idle surge. IAC valve works well after cleaning. Continued on to the hot stalling and found the scope ...
1999 Audi A4 2.8L Rear coil springs VIN: WAUGD28D2X
Ahah! It was broken springs on both sides. The first time around I just didnt see the broken parts at the top and bottom, I wasnt really looking for that specificly. Thanks a million, you were right on the money!
2003 Audi A4 1.8L Wipers VIN: WAULC68E13
Thanks for the replies. The linkage all looked ok abd was not binding. We replaced the wiper motor and now the problem is fixed. Customer lives out of town so it took a while to get the car back. Thanks
2001 BMW 740i 4.4L reverse VIN: WBAGG83411
we had 3 replies on this on - these cars have check ball issues - evidently the ball will wear out and pass through preventing pressure build up and activation of the reverse gear piston - I am not sure if a transmission service would have corrected this car b...
1996 Jaguar XJ6 4.0L No Start VIN: SAJHX1742T
I am still waiting for the PCM (ECM) to come back from the rebuilders. The advice I received was great and the best of it follows: Crankshaft position sensor is a big problem and will cause no fuel, no spark, no pulse for injectors. There are corrosion pr...
1986 Mercedes-Benz 300E 3.0L Hesitation, Cuts out VIN: WDBEAB0D6C
Thanks for all replies, folks. I have elected to send this one to the dealer. I like to be very familiar with how the system works before attempting a fix, and I am just not knowledgable enough on these systems. No point wasting customers money on inefficient ...
1987 Mercedes-Benz 560SEL 5.6L No Start VIN: WDBCA39D4H
Sorry for the delay on the close but since this is my car it sits outside and I forget about it. I have not actually fixed it yet but the general concensis seems to be that I need to get a fuel pressure box on the side of the fd and try it so I am looking to f...
1980 MG MGB MK IV 1.8L oil pressure VIN: GVVDJ2AG52
Thanx for all the replys, a lot of people hit it rigt on the head. Filter too short, restricting the oil tube. F$%# Bosch filters although Bosch rep assured me this could not be an oil filter issue. Anyways it is all good now. Ofcourse now she is complaining o...
1998 Saab 900 SE Turbo 2.0L SRS Module VIN: YS3DF78N7W
Hi again, everyone. It's time to close this request, as it's almost at it's time limit, and the customer has decided to take it to the SAAB dealer. However, here's what I've come up with so far, though- We do not have a Tech 2 scanner, though we have Worksho...
2001 Saab 9-5 Aero 2.3L oil leak VIN: YS3EH48G81
I recieved several good responses. Most said the head gasket was a common repair and fairly straight foward.(Although after doing that alternator, I hardly see how) the customer opted to trade the vehicle in after dumping much money into it over the last year....
1995 Volkswagen Passat GLX 2.8L compressor or tx valve VIN: WVWCE83A4S
Ok, decided to replace the expansion valve, had an improvemet of about five degrees, but did find that the high side pipe to valve is now warm instead of cold, and the low side coming out is cold (as was before). Chatted with customer and as I haven't had the ...
1999 Volkswagen Jetta GLS 2.8L compressor clutch VIN: 3VWSE29M1X
the coil lost power when it acted up. have not got it to act up any more, customer needed the car I will up date if we fix it.
1999 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWMA63BOX
Thank you guys, you gave me the clues I needed to fix this car.The replies were that this code is most likely set by a vacuum leak,a faulty MAF sensor,or low fuel pressure.I tried a MAF sensor, smoke tested the intake 3 times, and checked fuel pressure and it ... Trouble codes: P1136 (Mixture addition B1).
2000 Volkswagen Jetta GLS 2.0L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 3VWSC29M6Y
THANKS FOR ALL THE GREAT HELP ! ALL THAT SAID ADDAPTION NEEDED TO BE SET WITH VAG HIT THE NAIL ON THE HEAD. SENT CAR TO LOCAL VW DEALER HE SAID IT TOOK A FEW TRIES TO GET THE SETTINGS TO STAY BUT ALL IS WELL WITH THIS TROUBLE VW. THANKS AGAIN TO ALL Trouble codes: P1579 (throttle actuator -j338 adapton not started), P1544 (angle sensor throttle motor signal too high), P0121 (throttle position sensor not a plausable signal).
2003 Volkswagen Jetta GLS 1.8L all electrical VIN: 3VWSE69M63
Thanks for all the replies. Approached this problem at several different angles but in the end what fixed the concern was replacing the alternator wiring harness which tech line said was at its peak in voltage drop at .28 volts and when gets hot the voltage dr...
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