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Prev Professional Automotive Repair Technical Discussions for June 7, 2011
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1998 BMW 740iL 4.4L MIL Lamp on, high idle VIN: WBAGJ832XW
This vehicle is started idling most of the time at 2000 RPM in park/neutral and about 1300 RPM in Drive (vehicle typically idles at about 700 RPM park/neutral. Code for IAC-P0505. Do not have a scan tool that will read live data or do bi-directional controls f... Trouble codes: P0505 (Idle Air Control System), P0733 (3rd Gear Ratio Incorrect)
2005 BMW 645Ci 4.4L MIL Lamp on VIN: WBAEK73445
Hello BMW Techs: We have a car that has returned for the thermostat again? We have a bulletin SI B 12 15 05 out of Alldata that states to replace the wiring harness and temp sensor if the car returns with the same code for thermostat! Has anyone run into this ... Trouble codes: 2EF4
2006 BMW 325i 3.0L Warning ligh VIN: WBAVB135X6
car came in with brake warning 'BRAKE' lit red and service required symbol displayed. according to owners manual this combination means brake pad (or sensor) failure. pads & rotors were worn. replaced front & rear pads & rotors, installed new sensors and tried...
1991 Jaguar XJS 5.3L Poor Idle Quality, Cuts out, Stall VIN: SAJTW4847M
This Jaguar came in for a steering malfunction, to much play in the wheel. Found that steering rack was bad an replaced it. Drove car to have it aligned, about 30min away, and back. When I got back the engine was hot and it would start but then instantly die. ...
1999 Jaguar XJ8 4.0L MIL Lamp on VIN: SAJKD6048X
I have several 1999 thru 2003 jaguar xj8 sedans that have triggered the p0442 code for evap valve. I have replaced both the canister close valve and the purge valve and check for leaks and found no leaks. I have swapped computers and traced wiring and can not ... Trouble codes: P0442
2004 Mercedes-Benz C240 4Matic 2.6L brake lights VIN: WDBRF81JX4
The brake lights on this car intermittently will be stuck on when the key is turned on. Stepping on the brake pedal does not turn them on or off. Other times they won't work at all. Sometimes they work like they should. My problem is that I can't find the brak...
1993 Porsche 911 Carrera 2 3.6L No Shift VIN: WPOCB2965P
We have been working on this 911 with the tiptronic trans for over a month, with no sucess. The customer had it at the local porsche dealer whom told him it needed a new transmision control box. We ordered a new one. Same part # as old one and we have no chang...
1995 Saab 9000 Aero 2.3L ABS and TCS light VIN: YS3CH65R1S
Vehicle came in with abnormal braking. Found vehicle would pull to the left during hard braking. Measured braking force at all wheels and found 50 bar at all calipers except right front caliper. Suspected a bad ABS hydraulic unit. Replaced complete hydraulic u...
1993 Volkswagen EuroVan 2.4L engine VIN: WV2MCOD07P
I am stumped. I have spark fuel and compression, but it still won't fire. I tried to check engine timing but I cannot find the timing marks on the cam pulley. The timing belt has been replaced recently by another shop (scheduled maintenance), and the belt and ...
2003 Volkswagen Beetle GL 1.8L radio VIN: 3VWCK21C3M
we removed aftermarket radio because of locking up data line, ordered radio from vw installed radio code sticker on top of radio isn't working had vw check serial number to verify correct code it is, is correct radio by vin. when I enter code using presets it ...
2004 Volkswagen Beetle GLX 1.8L no compressor engagement VIN: 3VWCK31C64
I have a vw that came into the shop with no cold a/c. The a/c charge is good . The fans come on when the a/c button is pressed. Checked the airco pid and it said 0 pressure.Replaced the high pressure switch with no change. Also found the fans to kick on when y...
2006 Volkswagen Jetta TDI 1.9L No Start, Hesitation, Stall VIN: 3VWRT71K26
Vehicle will start and run. One time we ran it 30 miles another time it won't even back out of the shop till it loses fuel pressure and dies. Absolutely no codes in system. If we run vehicle around 4000 rpms it will die out much quicker. We did replace fuel fi...

Fixes & Summaries for European
Fix/Summary Answers
1966 Mercedes-Benz 250SE 2.5L Poor Idle Quality, Hesitation, Misfire
The most common response by members was to check for a stuck piston below the fuel fitting in the mechanical pump. Our problem was a sticking check valve (located above the piston) that was not doing its job alowing the fuel to be sucked back into the pump ins...
1999 Porsche Boxster 2.5L whistle/whine VIN: WP0CA2984X
Well...The noise went away and hasn't come back. I guess this is more of a summary than a fix. I called the client a few days after the posting as to when he was going to have us re address the issue, he came in for something else and hasn't had the problem si...
2004 Porsche Cayenne 3.2L No Start VIN: WP1AA29P14
yes the car is fixed,thanks for the replies,I always appreciate them,I knew it was going to be something dumb,and that is what it was First unbeknownst to me my noid light was burned out so I was getting injector pulse,but no I wasn't.What is this you s...
2006 Porsche Cayenne S 4.5L 1-2 shift VIN: WP1AB29P56
sorry for taking so long, but I would like to thank Craig and Avinash for their input. The vehicle is not repaired but we discovered why there was a code for the Tiptronic conrol module. I took craigs advice and checked out the module, while taking it out for...
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