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Prev Professional Automotive Repair Technical Discussions for September 20, 2004
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Open Help Requests for European
Help Request Answers
1988 Audi 80 2.0L surging idle VIN: WAUEB0897J
Engine is running great except it is surging and we have checked for air leaks and have changed the idle control valve with no improvement. I was sure that would solve the problem because I removed it and plugged the hoses and the idle is too low to run on it'...
1997 BMW 540i 4.4L no oil pressure/ flow to heads VIN: WBADE6327V
This BMW came to us as a lifter failiure car.(cust. diagnosis) The cam tensioner on the right head was easly deflected by my finger through the oil filler hole in valve cover. When running this car makes a loud combination of lifter tick and cam chain flap/rat...
1999 BMW 540i 4.4L electronic level contro VIN: WBADR633XX
Hello BMW technicians, have this car here where customer originally complained about rear suspension feels bumpy. Checked all suspension parts visually and found ok. Replaced ABS control module for ABS related problem which is fixed now. Had checked for fault ...
1994 Porsche 968 3.0L Air Bag VIN: WPOCA2961R
Covertible top needed some adjusting...found one of the rear microswitches had fallen off and was failing to limit the opeining of the top. No big deal...simply reglued it the meantime I had forgotten the ignition switch on and battery went dead. Charg...
1992 Saab 9000 Turbo 2.3L Liner VIN: YS3CL55M4N
Hi there, This customer has a '92 9000 Turbo with the metal lid sunroof that slides and tilts. I think this is a one year only sunroof setup. The customer removed the headliner himself and disassembled the sunroof to get the liner recovered and then couldn't ...
1995 Volkswagen Jetta GL 2.0L brake pedal VIN: 3VWWC81HOS
hello techs,this vw came in with low pedal .the pedal would not pump-up,koeo,or koer,so i replaced the master change at all so i tried to bleed the calipers and their were no pressure at all .the fluid just eased out.the pads are good all the way around...
1990 Volvo 740 GLE 2.3L Poor Idle Quality VIN: YV1FA8950L
Hello everyone and thanks in advance for any help on this one. I have this 90 740 in for poor idle and its worse when you come to an abrupt stop. The idle lunges down like it wants to stall and then it catches it and smooths it out. This car also seems to ha...

Fixes & Summaries for European
Fix/Summary Answers
2001 Audi TT 1.8L hydraulics VIN: FTUWX28N41
After recieving 4 good replies, this tt is fixed. It was the clutch master cyl. It looked like the cup got distorted or swollen, the new part looks updated. there are no special tools needed to bleed this system, I bled it manually. One reply, ( I forget who, ...
1995 BMW 320i 2.0L Excessive Emissions, Hesitation, no check engine lite VIN: WBACB2324S
First of all thank you very much for you replies. A few things, the check engine light did not come on because, believe it or not, this vehicle was equipped to turn the light on. I removed the dash, the bulbs were there and the wiring was there all the way to ...
1998 BMW Z3 Roadster 2.8L Starting VIN: 4USCH9335X
Thank you to everyone who pretty much hit the nail on the head. Even though the EWS is coded ,I had to send the car to the dealer and have them align the EWS and the DME units. The car starts and runs it has a few more problems but this part is done. Thanks ...
1999 Mercedes-Benz ML320 3.2L shifting VIN: 4JGAB54E2X
Well Hurricane Frances is gone and we are back in business. We called the customer and all is well.Replacing the transfer case motor/sensor assembly on the back of the transfer case solved our problem. I was told that this was a common problem on the earlier m...
2001 Mercedes-Benz ML320 3.2L Misfire, MIL Lamp on VIN: 4JGAB54E11
Greetings to all,I searched the archieves and found one that also said to bleed the fuel rail down by depressing the schraider valve on the fuel rail so i put my pressure gauge on and bleed the system through the gauge.It seems to have worked, no more misfire ... Trouble codes: 300 (random cylinder mis fire), 306 (cylinder 6 misfire), 305 ([...] misfire), 171 (fuel trim).
1975 Porsche 914 1.8L Surge, Misfire, Poor Fuel Economy VIN: 4752904166
What i found was the fuel pump would always run with the key in run position. even with the engine off. The two contacts in the air flow meter are supposed to close when engine is started and air flow meter door opens a small amount, to send power to double re...
2000 Saab 9-3 2.0L Hesitation, Misfire, MIL Lamp on, Low Boost VIN: YS3DD55HY2
hi there, This one is a success. We had some suggestions to check the converter, but the complete exhaust (including the converter) was replaced by the dealer when they did the turbo. Someone also mentioned the TSB about the wastegate rod falling off, but we... Trouble codes: P0170 (Long Term Fuel Trim Multiplicative Max Value Too Lean).
1987 Volvo 244 DL 2.3L Excessive Emissions VIN: YV1AX8848H
hello all- I neglected to include the HC,CO,NO readings after doing the water de-carboning on my update: HC 47.3 ppm, CO 0.12ppm, [...]. The fix: put the MILLER cat from volvo on, retarde the timing from 10 degrees btdc to 5 degrees btdc, and look at the...
1992 Volvo 740 T 2.3L Cuts out VIN: YV1FW8705N
Thanks to all who replied. Many tips involving noise supression relay-checked circuits internally-pretty simple w/no burns or cold solder joints. Still stuck on the fact that the tach dropped immediately when car quit-noise supression relay only stops injectio... Trouble codes: 312.
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