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Prev Professional Automotive Repair Technical Discussions for September 18, 2013
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Open Help Requests for European
Help Request Answers
1997 BMW Z3 Roadster 1.9L MIL Lamp on VIN: 4USCH7322V
My question on this one is why do I never see 100% calculated load value? I know the fix will be to install a BMW cat. I inherited this job and the customer got involved with the manufacturer of the aftermarket cat. The manufacturers engineer insists that his ... Trouble codes: P0420 (Catalyst efficiency)
2007 BMW 328xi 3.0L Cooling fan VIN: WBAVC93577
Cannot find 50 AMP Fan fuse. Car died on highway. Went in to BMW dealer for recall fix for (battery?) Wire harness. When car was returned to customer, Overheated and sub woofer inop. We diagnosed bad fan assy. Would not run with power AND no signal feed ether....
1987 Jaguar Vanden Plas 4.2L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: SAJAY1341H
Vehicle had been sitting in barn for several years. Did an oil change and drained old gas and put new gas in and new battery. Vehicle had no spark. Found that the ignition pickup coil was open. Replaced it and vehicle started but would not rev up past 1000 rpm...
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME114X4
Hello Rover Techs: I have this 04 range rover hse with mil on, codes P1170 and P1173, fel metering related. Have checked for vacun leaks, intake air leak and did not find anything. Can someone please help. Thanks Trouble codes: P1170 (Manufacturer controlled fuel air metering), P1173 (Manufacturer controlled fuel air metering)
1975 Mercedes-Benz 450SL 4.5L Valve adjustment VIN: 1070441202
Car came to us running bad and we ended up putting injectors in to the car and it ran fairly good. car has low vacuum at 4 inches, but compression is 120 to 135 psi on all cylinders. It still floods the plugs and has no power so I checked the valve adjustment ...
1999 Mercedes-Benz S420 4.2L close assist VIN: WDBGA43G4X
Hey guys. I need some help on this one. Customer came in about 6 months ago for the LF door assist not working and the trunk handle that operates with vacuum and pressure keeps spitting the handle. (Very good customer.) I have checked all lines and vacuum sour...
2000 Mercedes-Benz S500 Guard 5.0L Crank pos. sensor VIN: WDBNG75J5Y
Vehicle cranks but no start after heat soak or even after sitting in the hot sun. Tested fuel pump pressure and flow volume to rule them out. I did this because of the high mileage and I had no history of when the fuel filter had been serviced. Removed crank...
2008 Mini Cooper S 1.6L MIL Lamp on VIN: WMWMF73558
This vehicle came into me misfiring on all cylinders, runs very rough all the time. Checked fuel pressure @ tank 45psi. checked high pressure fuel on scanner and it sits around 680 - 700 at idle. spec says its around 725psi(doesnt say how much tolerance)Lab sc... Trouble codes: P0300, P0301, P0302, P0303, P0304
1990 Porsche 911 Carrera 2 3.6L Unknown VIN: WP0AB2967L
After 2 minutes of cold start, hear squeak noise from engine/transmission area. Repulled clutch and replace throw out bearing and pilot, noise still present. When car is hot and restarted, noise returns more quickly. Cannot hear noise on engine or transmission...
2003 Saab 9-3 Linear 2.0L head, tail, brake lights VIN: YS3FB49S13
Lighting quits at times. Signals, third brake, high beams and backing lights not affected. Display reads right high beam out when malfunction occurs; reads correctly when lights are working. Is there a bulb integrity sensor or module that might cause this?
2006 Volkswagen Golf GTI 1.8T 1.8L Battery VIN: 9BWDE61J06
Vehicle driven in, complain was that about once a week the customer would come out to start the car and have a dead battery. Battery was replace by customer and alternator was tested at another shop. Check for parasitic drain found (100mv. While car was sittin...
2002 Volvo S60 2.4L L.F.Noise VIN: YV1RS61R92
NEED A VOLVO EXPERT. OK this car is killing us.Rattle clunk noise from L.F. suspension. Not on real small bumps, medium type bumps and expansion joint type bumps are the loudest.Replaced all suspension parts L.S of car. see repair history, seems less when brak...
2008 Volvo C70 T5 2.5L Air Bag VIN: YV1MC67238
vehicle came to us after body repair, setting air bag light for adaptive steering column resistance too high, DTC SRS 0029. reprogramed thru VIDA air bag module and reset system, cleaned up connections and cannot get light to go out. Not sure what to look for,...

Fixes & Summaries for European
Fix/Summary Answers
2000 Audi A6 Quattro 4.2L Random misfire VIN: WAUZL64B0Y
Once again thanks for all the help! This AUDI in now fixed. Turns out it was a simple as two bad spark plugs, however I am not fully convinced that the plugs are the root cause. As you may remember these two spark plugs had a red tint on the electrode. the coo... Trouble codes: P0300 (Random cylinder misfire.), P0307 (Cyl. seven misfire), P0306 (Cyl. six misfire), P0327 (Knock sensor circiut), P0303 (Cyl. three misfire), P0302 (Cyl. two misfire).
2003 Audi Allroad Quattro 2.7L shifting VIN: WA1YD64B23
went thru all the pins again found a poor pi one and replace it all is good fixed thanks for all the help everyone
2007 Audi A4 Quattro 2.0L Hesitation, Surge, Cuts out VIN: WAUDF78E17
The vehicle is repaired. Ron from oregon was on the right track. The problem was caused by aftermarket software "hacked into the computer". Took it to a speed shop. They flashed the ecm, charged me a bunch of money. Problem solved. There were no air leaks in t... Trouble codes: P0234.
1994 Jaguar XJS 4.0L Mechanical VIN: SAJNX2744R
Hello Again, After replacing the rear pads,rotors and right rear caliper and bled system,I achieved a good brake pedal,however,the abs and brake warning lights came on every time that I would apply the brakes indicating a bad accumulator which I replaced. ...
1984 Mercedes-Benz 380SL 3.8L fuse VIN: WDBBA45A9E
Thanks for all the quick replies. most of you said it is a 2A. that should have been a no brainer. T2(as in two)D? time delay(slo blow)2amp. Thanks again.
1991 Mercedes-Benz 420SEL 4.2L power loss VIN: WDBCA35E9M
replaced fouled spark plugs, did injector cleaning service and cleaned crank sensor with brake clean, seems to be doing well so far, heading to florida in this car in couple weeks, keep your fingers crossed for me and thanks for all the help, all of you are th...
1999 Mercedes-Benz E320 3.2L No Start VIN: WDBJF65H6X
Unfortunately this car is now operational however I sat down with the scanner in hand to assess which modules werent communication and found I had full communication today with both obd2 and MB connectors, as well as power to the fuel pump. the fuel pump was s...
2006 Mercedes-Benz E320 CDI 3.2L Poor Idle Quality, Poor Fuel Economy VIN: WDBUF26JX6
It seems that the injector is bad. Customer had to leave on a trip before I could get to it so he dropped by the dealer.I will not know if they did anything until he gets back. Thanks for the help. Trouble codes: 2562 (Zero quantity calibration for injector 2 cylinder upper learing range).
1970 Porsche 911 S 2.2L Ignition VIN: 9110101766
many thanks to all ,,was able to locate new and used parts ,, price was steep but the customer has deep pockets and was happy to get the car on the road again you guys are great and the best when we all work together again thank you Ron
2008 Porsche Cayenne S 4.8L Brake proportioning fault VIN: WP1AB29P78
Thanks for the responses. We checked the usual harness/moister issue in the drivers foot well but no signs of corrosion. Customer decided to trade the car in.
2004 Volvo S60 2.5T AWD 2.5L MIL Lamp on VIN: YV1RH59H34
This car has never acted up since,I removed the tcm and the ecm,tightened all the connectors,tried to simulate the problem,finally decided to let the customer drive it to see what happens.As of yesterday it has not acted up.If ever it comes back I will update,...
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