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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 19, 2007
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for European
Help Request Answers
1990 Audi 90 2.3L Poor Idle Quality, Surge, Stall
Ive been working in circles on this one. to start out with the car was a comeback from another techs repairs. he performed a motorvac service to try and cure the cold start stalling problem and surging under acceleration. obviously that didnt work. I found a b...
1999 Audi A4 2.8L No Start, Surge, Misfire VIN: WAUGD28D9X
1999 Audi A4 Wagon 2.8 liter engine. this car has been tried to be fix a few time. Will not start unless it is done at the starter motor or jumped with the key in the on postition . When it is running its misfiring and a running ruff engine cheak light is on a...
2000 Audi A4 Quattro Avant 2.8L Instrument Cluster VIN: WAUKH28D8Y
Morning, looking for help on this Audi A4! Customer came in with complant of low oil indicator on and coolant gauge woking intermittingly and dash milage/time date lights staing on after exiting car! Found some posting say problems w/ instrument cluster so wen...
2001 Audi A4 Quattro Avant 1.8L heater control valve VIN: WAUKC68D61
Hi guys, this one is a mystery. We have tried to find the heater control valve, nobody can find it. The Audi dealers in the Denver area don't seem to know much about the cooling system on this vehicle (or won't play nicely with others). Anybody know where the ...
2001 Audi TT Quattro 1.8L No Start VIN: TRUWT28N31
Thanks for taking the time to read this... I wish I had some info! car came in on the rollback as a crank, no start. it was dropped off right next to the street, so i had a bit of a noise issue. It cranked ok, but wouldn't start, when it came in. it acted lik...
2004 Audi A8 4.2L calipers
i have never seen calipers like the ones used on the rear of this a8,i am sure there is a trick to comp. piston but did not want to damage caliper without knowing.any help will be greatly apreciated,i do not usually work on these cars(mostly asian)but got suck...
2000 BMW 528i 2.8L Key Lock (IGN) VIN: WBADM6346Y
This vehicle I replaced the battery in the key fob and tried to re code it. It will not except the programing which I have tried several times. On inspection I have noticed that when I open the door, the display says key is in the ignition lock, even if it is ...
2000 BMW Z3 Roadster 2.5L Cooling Systems VIN: WBACH9342Y
Customers car began using oil rapidly, no external leaks found. Determined the oil is mixing with the coolant. Engine has not overheated. Any thoughts would be greatly appreciated. Engine oil cooler appears to be a seperate air cooled unit.
2001 BMW 325i 2.5L A/C air flow VIN: WBAAN37471
Hell BMW techs We have this car, that in air conditioning mode and air flow setting for center vents (Face), we loose half of the air flow to the defroster vents, the codes described above were retrieved with the "launch scanner" other than that I can not find...
2001 BMW 750iL 5.4L MIL Lamp on VIN: WBAGJ03471
Hello bimmer techs, This 750il keeps getting misfire codes for cylinders 7,8,9,10 and 11. In other words, all left bank cylinders except cyl. 12. Looking at smooth running values with GT1 shows all cylinders on left bank running higher percentage (misfire) tha...
1990 Mercedes-Benz 300SE 3.0L No Start VIN: WDBCA24D3L
Hello Mercedess Fans This car has no power to fuel pump.If I put power to pump at pump car will start.I am using Mitchell for wireing and am not sure it is right.I think I have the right relay.If so pin 6 should power up pump.If I try to put power to pin 6 it...
1998 Mercedes-Benz ML320 3.2L No Start, Stall VIN: 4JGAB54EXW
hello to all i have a big problem this mercedes it will die on 1/2 tank of gas we put in new pump with sending unit and cranksensor car left costomer called back said car died agian we go and check gas is half full we put in one or two gallons of gas car start...
1991 Volkswagen Jetta 1.6L engine VIN: WVWMG21G9M
more testing info to follow as i receive it
2002 Volkswagen Beetle GLS 2.0L temp light VIN: 3VWCB21C32
hello all, need information on this one. This beetle has no temp gauge. just the blue/red temp light. Car does not over heat. Has correct reading on scanner for temp of car. Problem with car is light comes on blue as it should when started. goes out after moto...
2002 Volkswagen Passat GLS 1.8L starting, interior lights, power windows VIN: WVWPD63BX2
Vehicle was towed in for a no crank. This is one that had fuse #14 for comfort module that was blown. Replacing the fuse has fixed problem for now. Having searched IATN, I checked the dome lights, pulled up the carpet and check the comfort module wiring at all...
2003 Volkswagen Passat GLS 1.8L abs/brake lite VIN: WVWVD63B43
Lets start from the begining...new pads were installed and upon completion and road test pedal was low and it felt like there was a certain lack of power brakes.Bled and bled and bled and finally pedal returned power brakes felt normal.Custumer takes car and a...
1995 Volvo 960 2.9L No Start VIN: YV1KS9611S
Hi techs this 300k volvo had a rear main seal replaced a year ago that's when customer bought it. It experienced a longer crank than normal before and after rear main seal replacement.Customer drove it for a couple of months and parked it, now it won't start h... Trouble codes: 131
2001 Volvo S40 1.9L Instrument cluster VIN: YV1VX29541
Loss of all electrical power. Vehicle towed in...died while making turn and would not restart. No lights, No warning lights in instrument cluster. Had 12.9 volts at battery, 12.9 volts at main fuse/relay box, 12.9 volts at dash fuse/relay box, 12.9 volts to ig...

Fixes & Summaries for European
Fix/Summary Answers
2004 Audi A8 4.2L thermostat VIN: IGNEK13R7Y
thanks for all the help guys. as i suspected was the t-stat very labor intensive. be care when bleeding the system ait pockets are crucial.
1990 BMW 325i 2.5L power door locks VIN: WBAAD2316M
Thank You to ALL the techs! Just as I had suspected and you confirmed the lock sensor on the drivers door was bad. Two front doors work manually and Ok for the owner at this time. He is not pressured to repair the rear doors at this time and another tech in LA...
1999 Land Rover Range Rover SE 4.0L air suspension VIN: SALPA1246X
thank you for the responses, sorry for the delay. we tried resealing valves, and codes came back immediately. figured it must be an internal problem which cant be fixed, so we replaced the eas valve assembly, vehicle hasnt been back since. thank you again!
1996 Mercedes-Benz S420 4.2L Surge, Stall VIN: WBDGA43EXT
The customer declined any further diagnosis at this time, but we suspect an electronic throttle body failure.Maybe they will change there mind and repair in the near future, if so I will post a detailed fix to this problem.
2000 Mercedes-Benz E430 4.3L Poor Idle Quality, Cuts out, Misfire VIN: WDBJF70J1Y
I replaced the spark plugs and the rough idle smoothed out a lot, but was not totaly gone. I could then narrow the miss down to #3 and #7 cylinders. At that point I switched the plug wires on those two cylinders with others and the miss seemed to switch with t...
1990 Volkswagen Cabriolet 1.8L composite water inlet for upper radiator hose VIN: WVWCB5156L
Tested for blown head gasket with chemical OK, Tested for overheating ok, Tested for flow ok, Put on a new wateroutlet from V W car has not returned as of yet.
1998 Volkswagen Jetta TDI 1.9L Excessive Emissions, No Start, Poor Idle Quality, Stall, MIL Lamp on, Smokes VIN: 3VWRF81H8W
Thanks to all who replied. This car ended up having two problems. The crank bolt was left loose by the shop that replaced the timing belt recently. The flat spot on the timing gear had worn so that the gear was moving on the shaft, causing cam/crank/injection ...
1999 Volkswagen Passat GLS 1.8L Surge, Cuts out, Misfire VIN: WVWMA63B3X
This one is fixed - Customer took car to Volks dealer - they reset pcm - replaced boost pressure solinoid - and replaced the NAPA MAF sensor I replaced - they said it was bad - I drove it today and it runs great - gave cust. money back for sensor and all is we...
1999 Volkswagen Passat GLS 1.8L timing marks VIN: WVWAA63B9X
I had done the job the correct way, updated tensioner 153 tooth belt, the 152 is to be used only with old style tensioner which had high failure rate.It is suppose to be a bit advanced less than 1/2 tooth.I was concerned besause it didn't idle right slight sur...
2001 Volkswagen Golf GL 1.9L flashers VIN: P436610097
thanks to all that email me and recomanding to replace the flasher switch, it fix the problem rightaway works perfect thanks again!
2001 Volkswagen Passat GLS 1.8L Hesitation, Misfire VIN: WWWPD63B01
i sincerly appreciate everyones response. i hate to say it, but i had a bad case of dumb-ass. what i thought was the maf was in fact the boost sensor. after figuring this out the repair was a maf sensor. sorry to waste everyones time. Trouble codes: P0300 (random misfire), P0301 (p0303-), P0303 (p0404-), P0404 (testing and results).
2002 Volkswagen Jetta GLS 1.8L Stall, dies on decel VIN: 3VWSE69M32
I checked the grounds under the battery and also monitored the voltages at all times with no oddities at all. The three weeks I had the car, trying everything from full heat (interior temp up to 140F to -5f checking for a Honda type relay problem), to putting ...
2003 Volkswagen Beetle GLS 2.0L wings/trim flaps VIN: 3VWCK21Y23
WHEW! This one was a bear! The final fix was simple but it took awhile to get to that point... Here's the scenario, when the customer first came to me last year with this issue, she had some stuff in package tray. I belive this was start of whole problem.....
1998 Volvo S70 2.4L Surge VIN: YV1LS5579W
Hi Everyone, Thank you for your replies and sorry about the delay in closing this. Customer too busy to come back in until now. After rechecking for vacuum leaks and mass air flow I still had low readings from o2 sensors. Fuel pressure and volume tested good... Trouble codes: P0130.
2001 Volvo V70 T5 2.3L ABS controller VIN: YV1SW53D11
Thanks for all your replies, you were all correct. We used a Dealer Control Unit and it worked fine right away. Anders from Swedecar is also correct, the rebuilt units are probably not bad, but after talking with ATE in Germany(the manufacturer of these units)...
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