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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 21, 2011
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Open Help Requests for European
Help Request Answers
2001 Audi TT 1.8L Chutch VIN: TRUTC28N51
Hello fellow IATNers. I have a puzzle here that I am hoping someone has run across before. We have an Audi TT with a turbocharged engine and a manual transmission which presented with a fractured transmission housing. The transmission was replaced with a used ...
2001 Audi Allroad Quattro 2.7L shifting VIN: 1564654653
I installed new turbos on car, road tested vehicle and car ran great and shifted fine, boss drove the car around for a couple days to make sure everything was good.. after the first day the car wouldnt shift into reverse and drive would lag a bit.. so the ligh...
2003 BMW M5 5.0L Poor Idle Quality, Surge, Misfire VIN: WBSDE93403
Have spent numerous hours chasing this problem Trouble codes: P0171 (Alternating from bank to bank during different key cylces), P0175 (Lean on bank 1 rich on bank 2 or rich on bank 1 and lean), P0172 (On bank 2), P0174 (Misfire 0n start up), P0316 (testing and results)
2006 BMW 530i 3.0L volatile memory VIN: WBANE73566
This e60 keeps losing battery voltage. I tested the vehicle extensively, this car has the best (lowest) parasitic draw of any late-model car I have ever seen - 8mA is amazing! The car does go to sleep on its own, and seems to be charging just fine. The DME is ...
2004 Saab 9-5 Aero 2.3L Abs VIN: YS3EH59G94
Vehicle came in with ABS,TCS and esp lights on and non op speedometer. Connected Tech 2 scan tool to check codes and got no communication and this is common with a failed abs module. We replaced the module with a used unit and all the lights stayed on. I now h...
1998 Volkswagen Jetta GL 2.0L No Start VIN: 3VWRA81H5W
Vehicle came in no start/cranks. Tried starting fluid, no start. Check for spark, no spark. check ignition coil, ok. Check ECM for codes, P0322, engine speed sensor, no signal. Replaced sensor because it tested bad. Still no start, now I have spark, injector s...
1998 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRF81H2W
I am going through the motions of diagnosing a limp in mode due to code 00575 being set. The boost psi is too high for too long. I tapped into the wastegate hose to read the psi - it would read 15+ psi. I suspected a n75 valve problem so i did a little researc... Trouble codes: 00575 (intake manifold psi deviation)
2000 Volkswagen Beetle GL 2.0L Engine VIN: 3VWBS21C41
This beetle came into shop on tow truck it wuldnt start i found 1 plug had backed out so install new plugs and fired right up idels good then when u try to drive it and mash down on throttle it falls on its face just boggs completely down fuel pressure stays a...
2002 Volkswagen Cabrio GLX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 3VWDC21V02
I have replaced MAF with 2 bosch reman 1 new aftermarket and finally with bosch new hasnt fixed issues. flashed computer with vrs 7.0 from dealer as of today still have same problem I have noticed that during my investigation the Throttle position sensor or m... Trouble codes: P0102 (Maf low signal), P0172 (Rich condition)
2007 Volkswagen Beetle 2.5 2.5L Poor Fuel Economy, Low power VIN: 3VWFG31Y07
I took a quick look at this VW Beetle 2.5L. It is low on power and has been getting lower fuel mileage. There are no codes and everything runs well, smoothly, aside from the mentioned issues. I have never worked on European cars and this one is a little weird ...

Fixes & Summaries for European
Fix/Summary Answers
2000 Audi A4 Quattro 1.8L Lag VIN: WAUDC28D9Y
Thanks for all the information. I had to call Ross Tech to get all the information on how this turbo system works. It ended up being a cracked hose on the intake that was only leaking pressure, not vacuum. Replaced the hose and retesed. Turbo works all the tim... Trouble codes: 17965 (Charge Pressure Control).
2001 Volkswagen Cabrio GL 2.0L No Start VIN: 3VWBC21V51
Lord help me, turned out to be a failed ignition coil. This car is a hybrid of mark 3 (92-98) and mark 4 (99-05) parts. The instrument panel is mark 3, hence there is no communication with it. The immobilizer has it's own gateway (block 25). I was focusing... Trouble codes: P0304 (Misfire cyl 4), P1255 (CTS short to ground), P1570 (ECU locked), 01176 (Immobilizer Key signal too low intermittent).
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