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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 8, 2014
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Open Help Requests for European
Help Request Answers
2003 Audi A6 3.0L converter VIN: WAUJT64B93
Audi came in with CEL and PRND blinking. Diagnose check engine light to a shorted rear o2 on pass side. replaced sensor erased codes all good there. for a short time all seemed good. car came back next day with PRND blinking again. when this happens it will no...
2004 BMW 525i 2.5L Unknown VIN: WBANA53564
This vehicle came in limp mode with codes: 4F90 - ratio monitoring gearshift 2-1, 4F84 - ratio monitoring clutch D, 5149 - CAN time out PM. I can find no information on these codes. ATF is full and very clean. Codes have been cleared. Vehicle is not in limp mo...
2004 BMW X5 3.0i 3.0L cooling system VIN: WBAFA12020
Hi Technicians, I need a bit of help with this vehicle.Vehicle came in 3 months loosing coolant.Found radiator leaking.Replaced radiator and cap.Vehicle returned loosing coolant 1 month ago.Pressure test radiator no leaks found externally but oil and water mi...
2006 BMW 760Li 6.0L No Start VIN: WBAHN03506
Engine cranks but does not start. Autologic shows good fuel pressure. Valvetronic is in limp home mode. DME1 reads 1 volt for battery voltage (live data, it also has no communication with alternator and EGS). DME2 12.4 Volts.(has valvetronic fault). Fuses chec... Trouble codes: 27F3, 277D, 28D7
2002 Mercedes-Benz E320 3.2L SBC module VIN: WDB2110422
"Service Brake visit workshop" warning on. check brake found front brake pads worn down to the sensor. Replaced the front brake pads and sensors. We scanned the SBC system found code C249F, service threshold reached. Warranty for the hydraulic unit was over. W...
2006 Mercedes-Benz ML500 5.0L Front SAM VIN: 4JGBB75E06
Truck towed in w/ no crank, no start; Checked fuses & found 70a fuse for front SAM module (under RHF seat) blown. Upon further investigation found front SAM module connector "D" burnt. Dealer states that front SAM part # has been updated 10 times, new SAM inst...
2007 Mercedes-Benz E320 Bluetec 3.0L catalytic converter VIN: WBDUF22X67
After failing emission test twice in two months and the local MB dealer is giving up so we are tasked with diagnosing this problem. No fault codes present now or during either test. No one has cleared codes and it has 5,000 miles put on odo since first test. V...
1971 Porsche 914 4 1.7L fuel pump relay VIN: 4712910864
Here's hoping some of you older Porsche techs are still around! The fuel pump relay uses 4 pins: 30 to batt, 87 to f/p, and here's where the problem lies. Pin 86 should be 12v from pwr supply relay, 85 ground from ecu to energize relay. But on this cars circui...
2000 Volkswagen Jetta GLS 2.0L Starting VIN: 3VWSA29M2Y
Car towed in-was at two other shops. Car cranks but does not start. What I find interesting is that the dash warning lights do not light up w/ key on but will come on w/ brake pedal pressed and will blink on/off w/ hazard switch on. I do have power at instrume...
2002 Volkswagen Passat GLS 1.8L Oil Pressure VIN: WVWPD63B12
the oil pressure pegs our gage past 100 psi at cold idle ,it will come down to 25 psi,@ hot idle, than 60 psi 2000 rpm .I have read that the oil pump has a 14.5 bar blow off valve ,which is over 170 psi ,also the oil cooler has a pressure relief valve in it ,b...
2005 Volkswagen Jetta 2.5 2.5L ac system VIN: 3VWPG71KX5
customer state that the ac works for 5 mins and stops and as he drives throughout the day ac works again and some times stays cool longer than 5 mins. we check the ac system is full of freon compressor works fine no noise ect pressure is within specs i just do...
2007 Volkswagen Jetta 2.5 2.5L Surge VIN: 3VWGF71K37
For the VW experts. Had this car in and customer complained of intermittent high idle. Also had a check engine light on. Scanned and found the P0171. Checked for vacuum leaks with the smoke machine and found none. Checked the MAF sensor for dirt and debris, no... Trouble codes: P0171 (System Too Lean), P0507 (Idle Control System RPM Higher Than Expected), P2279 (Leak In Air Intake System)
2006 Volvo S60 2.5T 2.5L Poor Idle Quality, MIL Lamp on VIN: YV1RH59226
this volvo came for a problem that happens intermitently the rpm and the temp gauge dont works the selenoid of the shifter is clinking (like if we have the brake on) the abs light goes on the check engine light go on and the engine is running bad and sometime ... Trouble codes: U0002, P0600, P0700

Fixes & Summaries for European
Fix/Summary Answers
2005 Audi A6 Quattro 3.2L Misfire VIN: WAUDG74F25
Thanks for all the replies. It was a bad fuel injector. I decided I was going to swap injectors to see if it would switch cylinders. It was a little work getting to the injectors, pulled plenum, then high pressure fuel lines, then manifold containing bank 2... Trouble codes: 00077, 00571.
2007 Audi A8 Quattro L 4.2L Air Suspension VIN: WAUMV44EX7
The Einstein saying of doing the same thing over and over and expecting a different result is the definition of insanity does not apply to European car repairs especially when it comes to reprogramming. After several attempts with the launch tool, height calib...
2007 Saab 9-3 Aero 2.8L Air conditioning VIN: YS3FH51UX7
Went back to check wire connections between ambient temp.sensor and bcm(did trace those wires before and no remarkable resitance shown). This time, one of the wires showed a higher resistance than the other one. Traced wires again and found damaged wire where ...
2006 Volkswagen Jetta 2.5 2.5L No Start VIN: 3VWGN11K96
I thank you all once again for your helpful suggestions. The real fix turned out to be a wiring problem near throttle body and MAP sensor. The MAP CMP and CKP a share a common 5 volt power supply. This 5v power was shorted lo at the damaged MAP harness. The ke...
2012 Volkswagen Passat TDI SE 2.0L MIL Lamp on VIN: 1VWBN7A36C
thanks everyone for your time. i had to replaced nox sensor with wiring and modual comes in one piece.it was bit pricy $356.00. car was not under warrenty due to mileage. thanks again Trouble codes: P2200, P2209.
2002 Volvo S80 T6 2.9L No Start VIN: YV1TS91D92
Well this one is fixed. Finally got the guts/irrationality to try a junkyard PCM(even thought i allegedly had a good one). That gave me back the check engine light and everything stared working normally from a communication stand point. Of course I couldn't...
2004 Volvo XC90 T6 2.9L Unknown VIN: YV1CZ91HX4
Thank u guys I reset the e brake with info you guys give me thank u guys again
2005 Volvo XC90 2.5T 2.5L Poor Idle Quality, Hesitation, Stall VIN: YV1CZ59225
I sure appreciate the help on this one. Of the six replies 2 were exactly what I Asked for, and the other 4 went into more detail which probably saved my butt. Changed the hose pipe from the oil trap to the air intake, and cleaned the throttle body. Also c... Trouble codes: 120D, 440B, 4400 (fuel tank system low).
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