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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 21, 2004
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Open Help Requests for European
Help Request Answers
2000 Audi A4 Quattro 1.8L LF Suspension VIN: WAUDC28D2Y
This Audi A4 Quatro a pop noise when braking. I checked the archives. Most of the fixes & help answers indicated the lower forward control arm was the culprit. I greased the ball joint on that arm & the noise went away, proving the asumption was correct. I rep...
1994 BMW 530i 3.0L MIL Lamp on VIN: WBAHE2322R
Hello group, This BMW has the "check engine" light on. It idles very poorly and has the following codes in the ECU. 1) 203 O2 Sensor 1 2) 13 oxygen sensor 1 3) 12 oxygen sensor 2 I tried to look up the data in my BMW book, but it (the book) only starts at...
1995 BMW 740iL 4.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WBAGJ6324S
This vehicle continues to set codes 12,13,201,203 we have replaced cats which were clearly rattling from broken catalyst,intake gaskets along with front throttle gasket and rear crank vent plate.Valve gaskets and plug extensions were replaced along with plugs ... Trouble codes: 12 (O2 sensor), 13 (O2 sensor), 201 (O2 sensor control), 203 (O2 sensor contro)
1997 BMW 540i 4.4L Transmission - Limp Mode VIN: WBADE6326V
Need advise and code descriptions. Vehicle arrived with bad engine and transmission mounts also left engine mount bracket from mount to engine was broken into two pieces. After repair, vehicle was returned without road test due to low fuel level. Vehicle was r...
1984 Fiat 124 2.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, extremely rich VIN: ZFRAS00BXE
Owner said suspected computer problem, after ohm all the sensors and falling with in specs for ambient air temps, and setting TPS switch for proper on- off operation, and no changes with disconnecting enrichment injector either cold start or hot, come to same ...
1997 Land Rover Discovery SD 4.0L Poor Idle Quality VIN: SALJY1240V
car i have has hi rpm idle between 2500 to 3000 , hot cold anytime ,new step motor was installed after checking for any vacum leak, battery was disconnected for 30 minutes,and there is no codes( check with generic mode of snap-on modis) any help is apprciated....
1998 Land Rover Discovery LE 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: SALJY124XH
Hi group, this vehicle is driving me crazy, sometimes it idles fine without any misfire HC reading very low all of a suden start with a miss and the HC goes very high. Retrive for codes and found code P1316 "Misfire Excessive Emissions Fault" I tryied to troub... Trouble codes: P1316 (Misfire Excessive Emissions Fault)
2000 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1244Y
This Discovery was a builder ( Rollover ). It came in originally for a check engine light we scanned it and found that it had multiple cylinder misfires, upon further inspection we Discovered it had blown headgaskets - We replaced the gaskets performed a major...
1991 Mercedes-Benz 420SEL 4.2L Excessive Emissions, Poor Idle Quality, Flooding VIN: WDBCA35EXM
Greetings to all ! This very clean , only driven in town 420 SEL has been a pain. Started out as a simple valve stem seal replacement job... After replacing seals , the engine had a misfire on cylinder #2. Ignition system worked fine , plugs dirty , replaced p...
1985 Other European 308 GTS QV 2.9L Hesitation VIN: ZFFUA13A5F
Just completed changing all coolant and heater hoses, what a job. We also did some tuning, and it runs good once warmed up. The control presure was too high, 30psi at 68 deg, adjusted it to 21psi, which improved cold throttle response. The problem though is th...
1980 Porsche 911 SC 3.0L Surge VIN: 91A0130856
This thing has multiple problems. The Main lever in the fuel distributor bounces violently but you can stablize it by stoping it with you hand, but then you accelerate and it's again bounces violently which causes the fuel pump to turn on and off unless you un...
1996 Porsche 911 Carrera 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: WPOAA2999T
The problem I am having with this beast involves idle quality and eng lamp illumination due to misfire codes that are emissions related (cat damage). The codes will only set if the vehicle is driven. And upon the test drive a misfire is not evident, until you ... Trouble codes: 62 (Misfire random), 50 (cyl 1 misfire), 51 (cyl 2 misfire), 52, 53 (cyl 3 and 4), 54 (cyl 5 misfire), 55 (cyl 6 misfire)
1995 Volkswagen Jetta GL 2.0L pressure VIN: 3VWRC81H65
Hi Guys Alldata says that the pressure drop is caused by either the pump or the valve body. My question to all you guys is... how do I verify the pump is OK without the valve body lowering the pressure? I never got full pressure. Could it be the presure is to...
1996 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRA81H1T
2000 Volkswagen Beetle GLS 2.0L abs control unit VIN: 3VWCC21C5Y
Car came in with the ABS light on as well as the red brake warning light and the chime. No communication with the ABS control unit using VagCom and Launch. Under advice from a previous similar problem (1999 Audi A6Q), we replaced the ABS control unit. I coded ...
1991 Volvo 740 2.3L Poor Idle Quality, Hesitation VIN: YV1FA8847M
This car has the Regina fuel system. It has a MAP sensor not a MAF. Towed in for no start. Had no spark at plugs and weak spark at coil. Replaced cap, rotor, wires, plugs and coil. Vehicle started fine but had bad acceleration. Once you get up to speed it driv...

Fixes & Summaries for European
Fix/Summary Answers
1997 BMW 540i 4.4L no oil pressure/ flow to heads VIN: WBADE6327V
Ok, THANKS to all those who replied. This was a very strange one but we discovered the problem: we removed the #5-8 cylinder head, and when we pulled it off, we found a shredded PLASTIC SACK blocking the main oil feed passage to the cylinder head in the front ...
1997 BMW 328i 2.8L MIL Lamp on VIN: WBABK7329V
Well, this one was interesting! The Snap-On red brick could only activate one solenoid in the evap system so I had to plug the other end. I had checked for leaks with slight air pressure in the tank and soap water, but no leaks found. (no smoke machine yet) A ... Trouble codes: P0441 (Evap emission control system purge flow fault), P0455 (Evap emission control system leak), P1250 (manufacturer specific code), 254 (Tank leak detect major leak), 252 (Tank venting/extraction faulty).
1981 Mercedes-Benz 380SL 3.8L climate control servo VIN: WDB1070451
Hi Group Sorry for the late response, there is no excuse for not posting my fix sooner. The fix was to replace the climate control servo with a reman unit I ordered from Brinsonco.com. The reman unit is modified with an alluminum housing. The original unit h...
1998 Mercedes-Benz SL500 5.0L unknown VIN: WDBFA67W3V
Hints I received: water pump, head gasgets, auxiliary water pump, thermostat, clogged hose, loose connection, try to bleed system with vacuum. Considering system will work well with heater bypassed and after removing heater core I realized the assembled he...
1989 Porsche 911 Carrera 4 3.6L Misfire VIN: WPOAB0964K
Hello group, Thank you goes out to Carl, Ed, and Thomas who all had helpful advise. From their responses it appears that there is no damage to intake manifold components as in the earlier K-Jetronic systems. However they all agreed that intake manifold leaks a... Trouble codes: 21 (Air Flow sensor).
1995 Porsche 911 Carrera 3.6L Top Module VIN: WP0CA2991S
I found the toip module (with the help of many of the network members) to the left of the steering column, above the information center module. The left locking motor had been replaced because of stripped gears. The circuit was repaired at the park brake switc...
2003 Porsche Carrera 4 S 3.6L remote locking VIN: WP0ZZZ99Z3
Now, after receiving your help, I learned this system can be programmed just using PST2 tool. I learned these remote keys are prone to go bad too. Just one way of dealing with this problem: travelling to the dealer! Thanks a lot for the hints Thanks a lo...
1996 Volkswagen Passat TDI 1.9L no operation VIN: WVWHG83A6T
Well guys, thanks for the info that Mitchell omitted. None of the test info indicated the glow plug system didn't operate under 50 or so degrees. Since it was always warmer here, that NOW makes sense. The glow plugs were indeed all dead and probably have been ...
1997 Volkswagen Jetta GL 2.0L coolant VIN: 3VWL81H7VM
Hey Guys, Sorry about the delay on the post. My wife just had our first kid so the last couple of weeks has been a bit of a life changer. Anyways, Thanks for all of the replies. I removed both coolers and sent them off to the rad shop and they could not fault ...
1998 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA61H5W
Thanks for the help. here is how this one played out I cleaned the thottle body then disconnected the battery try to reprogram no luck so I ordered a throttle and replaced reprograme and runs like new. seem like there is two ways this system could fail, one ... Trouble codes: 17988 (throttle), 16487 (mass air), 17884 (evap).
2001 Volkswagen Beetle GL 2.0L no throttle VIN: 3VWCB21CO1
First I'd like to thank all of those who responded to my help request. I found out from the VW dealer that the fuel pump is supposed to run for a couple of seconds when the driver's door is opened after sitting for awhile. Most said to run the throttle adaptat... Trouble codes: P0420 (Catalyst efficiency), 16610 (acc. pedal/tps), 18039 (signal too high), 18042 (signal too high), 17987 (adaptation not started).
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