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Prev Professional Automotive Repair Technical Discussions for January 14, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Audi A4 2.8L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: WAUDD28D2X
My concern is that I am going to replace a throttle body that REALLY DOESNT NEED to be replaced. I DON'T LIKE PARTS SWAPPING, I really would like to know how to be sure that I am changing the correct part here. Even though I am getting a HARD CODE 1545, which ... Trouble codes: 1545 (TPS circuit already had throttle body replaced with updated part)
1999 BMW 323i 2.5L battery drain VIN: WBABJ7337X
battery goes dead after couple days
1990 Buick Reatta 3.8L instrument cluster VIN: 1G4EC13C5L
hello group thanks in advance for any help. have this 1990 reatta with digital instrument cluster that intermittantly flashes and then goes out completly, seems that it needs to get hot before acting up, when this happens an error message comes up and the elec...
2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDS13S02
Hello all I have this trailblazer I would like some input on. It keeps setting a cam phase code. Once while driving I came to a light and the engine idled very rough like it was missing two cylinders. Pulled away problem went away and didn`t return. Back in th... Trouble codes: P0014 (cam phase performance)
1991 Ford F-150 Custom 5.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1FTSWI1442
This truck is driving me crazy. It acts like it is losing something someplace. It dies driving and at idle. but it will start right up afterward. I have started to just throw parts at it but thats getting expensive. It has duel tanks and has 31 lbs of pressure...
1991 Ford Explorer XL 4.0L wipers & 4x4 VIN: 1FMDV34X9M
Problem began about a month ago when I checked 4x4 push buttons on dash and they didn't light up and 4x4 was not operative. I didn't worry too much as I never use the 4x4. Figures it was a fuse. Today is freezing rain and sleet. I started truck and allowed amp...
1996 Ford F Super Duty XL 7.3L Poor Idle Quality VIN: 1FDLF47FXT
Hi, This is my first posting, so I hope I can get some kind of help with this one. I'm been on this truck since the holidays began and still can't solve it. The truck starts fine when cold and seems to run quite well at idle.As it warms up the truck seems to s...
2002 Ford F-250 Super Duty Lariat 7.3L Engine VIN: 1FTNW21F42
Hi. This truck shows no DTC's, no malfunctions, other than the fact that some times when coming to a stop, there is no throttle response on take off: just stays at engine idle. The only way to resolve is to shut the engine off and restart. With no codes or oth...
2003 GMC Sierra 1500 4.8L abs pump VIN: 1C34542V13
truck came in last part of stop 5-15 mph abs turns on. pull fuse abs light on but problem gone. use scanner live data shows when slow speed stop & pedal paulses abs is on & pump on. this is not my first abs problem but allway was able to repair by doing repair...
1994 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA28E0R
This vehicle came in with MIL on and found code PO441 evap incorrect flow did some visual inspection for vacuum leaks none were found , clear code and let customer go and he call back a few day later that the light came back on , recheked and found the same co... Trouble codes: P0441
1989 Oldsmobile Toronado Trofeo 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1G3EV11C7K
car will stall out at times the pulse width will go to 0 when it strts missing and stalling out i can unhook the ecm and the car will start up and run my rpm tac will jump up and down with the missing it does i pulled one plug out it was black with soot on it ...
1999 Volkswagen Beetle GL 1.8L Engine shuts off
The car will, for no aparent reason, shut down. Exactly as if you turned off the key. It restarts instantly and than goes on till the next tme. After a stop, turning to left or right. Never @ cruse. I did notice that the connector and wirig had been replac...
2002 Volkswagen Passat GLS 1.8L double unlock VIN: WVWPD63B83
Dear Fellows ! Have this first customer car came in for 2 front axle, vacuum hoses (caused code P0411) & throttle body buttlefly cleaning. Customer picked up the car no more axle noise when turning. No check engine light & was happy. 2 days later cust. calls b...
2004 Volvo XC90 T6 2.9L atf VIN: YV1CZ91H64
This unit is blowing out ATF under highway conditions, I believe. Nothing leaks out when run stationary. It broadcasts the fluid so I can't tell where it's coming from other than somewhere in the lower right or rear quadrant. It's not coming out of the window ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Audi V8 Quattro 4.2L cruise control VIN: WAUBW84C5P
Thanks to those who replied, and yes it is a V8. The module is above and behind the glovebox, behind the airbag, above the A/C duct, against the firewall, and it has a stud and nut top and bottom which means the top dash pad came off. Unfortunately the module ...
2001 Dodge Caravan SE 3.3L Front Suspension VIN: 1B4GP25311
You all came up with the same response. I replaced the stabilizer bar bushings and the problem was solved. I should have asked for help sooner. It would have been cheaper for the customer and faster for me. Great service. EJG
2003 Dodge Ram 2500 Truck 5.9L Poor Idle Quality, Surge, full fuels in gear VIN: 3D3KU28C83
sorry for the late reply but this one is fixed. And once again you guys at iatn are the greatest. I hadnt really thought of the torque converter but after I started testing it more the nire since it made that the engine was doing everything it could to make th... Trouble codes: P0633.
1996 Ford E-350 Econoline 7.3L Unknown VIN: 1FDKE30F9T
well it is fixed and gone for a week,had many good responses,I was sure it wasn't he trans or convertor, just felt that way, this truck had new injectors, new trans, installed by ford dealer, we replaced brake switch because it was intermittant,we overlooked o...
2003 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMB11483
We could not find any exhaust leaks at cats. Reset adaptions. Told customer if light comes back on we would reseal intake manifold. This is a common problem on BMW v-8 engines. Car was from a used car lot so I am not sure if resetting adaptions did any thing... Trouble codes: P1173, P1170.
1997 Mazda B4000 4.0L MIL Lamp on VIN: 4F4DR17X8V
Well I must say the response was fantastic.Problem is my service writers don't seem interested in getting me this truck back for more diagnosis.I have asked them 4 times to get truck back with zero response[I did tell them I was putting on tech-net and they ne... Trouble codes: P0171, P0174.
1974 Mercedes-Benz 240D 2.3L heater VIN: 1151171205
Car is not fixed, but thanks to replys the problem is identified enough to decide not to fix the car. The car has two blower systems and vacuum changeover valve above gas pedal. The valve seemed to be working fine. Heater blower is not working, but getting pow...
2000 Mercedes-Benz ml270cdi 2.7L Hesitation VIN: WDC1631132
Thanks for all your help, it turned out to be the wiring loom at the back of the cylinder head,the wires had worn into each other.This was ahard one to find as there is not a lot of room to work .The short had blown the ecu that is why i had no power to egr or...
2001 Oldsmobile Aurora 4.0L MIL Lamp on
Hello, After testing the crank sensors and cam sensor on a lab scope all looked good.cheched all the wiring and grounds and everything is good.sent the car to the dealer for a computer.So far it seems to have cured the problem.thanks to all who helped. Trouble codes: P0300 (random misfire).
2001 Volkswagen Jetta GLS 1.8L engine VIN: 3VWSD29M91
2005 engine with 30K FIXED the low pressure problem, I personally think VW made a mistake with this 'MACHO' 5 valve turbo engine, it just simpy wears-out too-fast. Good service could prolong the engine life, BUT it will never come close to a V6 engine life...j...
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