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Prev Professional Automotive Repair Technical Discussions for October 9, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Audi A4 Cabriolet 1.8L Cylinder Head VIN: WAUAC48H83
We have this audi that came in with a terrible lifter noise and bad turbo, we removed the pan and cleaned moderate sludge, replaced both turbo oil lines and new oil pump. Removed valve cover and saw nothing worn or brocken, new filter and snythetic oil, car st...
1991 Buick LeSabre Limited 3.8L Excessive Emissions VIN: 1G4HR54C4M
mass air reads aprox 20gps at idle runs rich inj pw 14ms wire good from mas sensor to ecm changed prom ecm & mafs reads air flow when sensor un pluged when motor stopes air flow 0gps
1968 Chevrolet Camaro 5.4L Misfire VIN: 1NXBR18E8X
Hi thanks for you help in advance,so this Camero is all original,and customer wanted to due a tune up,car ran ok on arrival,so I did tune up and upon inspection I found vacum advance was not working so replaced that aswell,set the points at 19, set plug cap at...
1997 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy VIN: 1GCDT19XXV
we have a 97 s10 here with a 4.3 vin x motor. 4 months ago i did plugs wires cap and rotor. the truck has a bad misfire at idle and almost is undrivable it stalls all the time. i checked codes and had a p0300 and a p0337 for crank sensor so i changed the crank... Trouble codes: P0300
2000 Chevrolet Camaro Z28 5.7L MIL Lamp on, Will not fill fuel VIN: 2G1FP22G1Y
Ok, Good customer bad problem. Customer came in a couple months ago he had code p0440a stored. Check engine light went out when he fills up fuel tank, However it takes forever to fill fuel tank, pump keeps shutting off. Replaced charcoal canister and physicall... Trouble codes: P440A
2004 Chrysler Crossfire 3.2L No Start VIN: 1C3AN69L34
Car will start intermittingly. will not crank and loses communication with computer, if you try to start it continuously. after 15 to 20 minutes it will start. once it starts then it could be good for weeks at a time.
1988 Ford Thunderbird Turbo 2.3L Electrical VIN: 1FABP64T6J
Help!!! ford techs. I have this thunderbird turbo coupe that has 1/2 amp draw. I have pulled every fuse+circuit breaker from the fuse box,un hooked the ignition switch and alternator. There is a green colored fusable link at the starter solenoid that when i ta...
1988 Ford E-350 Econoline Custom 5.8L Poor Idle Quality VIN: 1FDKE37H7J
OK I need a EEC IV specialist ,This van idles fast (around 1500 RPM) . When you start it and don't touch the gas it will idle fine (650-750 rpm). If you give it gas the idle stays up, turn it off and start it again and it idles fine until you hit the gas. If y... Trouble codes: 13 (Unable to lower idle)
1998 Ford Expedition Eddie Bauer 4.6L Hesitation, Misfire VIN: IFMRU1761W
i have this suv thats killin me..miss fires on 1234 cyls and all o2 go lean at same minet its good them misses like vac leak , comp good dpfe new plugs wires new.. please help thanks ken Trouble codes: P0301
2003 Ford Mustang SVT Cobra 4.6L MIL Lamp on VIN: 1FAFP48YX3
This vehicle came in about a month ago with po190, we replaced the sensor at fuel rail and vehicle went away for about 1 month. This time it came back with an additional coede the p0193. The fuel pressure reading on my modis doesn't match the actual psi at fue... Trouble codes: P0190, P0193
1997 GMC Jimmy SLS 4.3L fuel pump VIN: 1997GMCJIM
Any help to locate the fuel pump relay to perform a voltage test for an intermittant no start.
1990 Honda Civic LX 1.5L Gears VIN: 1HGED3559L
Hopefully someone can help me out not being able to see what's going on. I just pulled the tranny out and split it open in order to replace the input shaft bearing which was bad. I am not a Tranny guy so this was kinda new to me but I found a nice write up on ...
1991 Honda Accord EX 2.2L motorized seat belt VIN: JHMCB7662M
I have a 1991 honda accord in the shop that has an intermittant passengers side seat belt that does not move at times. The drivers side works fine, but the passengers does not move when the door is opened or closed at times. we have checked the door switch, th...
1986 Jaguar XJ6 4.2L No Start, Poor Idle Quality, Poor Fuel Economy VIN: SAJAV134GC
after injector change reset min idle set timing have service manual set all to manufacturer specs car has no power very rough idle in gear almost stalls at stop lights bump up timing to give more power idle is worse. alternator whines just about all the time c...
2002 Jaguar X-Type 2.5L no power VIN: SAJEA51D92
thanks for all the help in advance guys. ok i got this jag xtype it came into the shop barely running the custemer had this problem for awhile the car had a p300 code multi missfires so i ran a compression check.the engin had 3 bad cylenders 210/85/45 so i had... Trouble codes: 1646 (o2 sensor control malfunction bank 1 upstream)
2004 Mercury Mountaineer 4.6L Stall VIN: 4M2DU66W94
This truck will only stall in reverse, the hotter it gets the worse it is. It can be driven all day in forward gear with no problems at all. Stop and put int reverse and sometimes may have to restart several times to back up, some times only stalls upon accele... Trouble codes: P0606 (Pcm prossesor fault), P2105 (Tac system forced engine shut down), P2106 (Tac system force limit power)
2005 Nissan Sentra 1.8L Electronic VIN: 3N1CB51D65
2005 Nissan Sentra we working on here. A/C does not work properly,intermittently does not get ground from computer to turn on. When you leave it on a fan setting with fan on sometimes the compressor comes on and goes off after awhile. Sometimes it doesn't work...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2009 Audi A4 Quattro 2.0L Service Due Message remains on VIN: WAULF78KX9
Dear fellow techs: Thanks for all of your replies I will send my customer to have the service due message reset at the Audi dealer. Best regards, Bob.
2006 Chrysler Town & Country (Van) Touring 3.8L steering VIN: 2A4GP54L26
Okay, so I should have more thoroughly read the TSB on the older model vans. While there is no TSB for this year of vehicle, part of the TSB can be applied to this newer vehicle. The vehicle already had the updated return hose on it from the factory. Howeve...
2005 Dodge Magnum SXT 3.5L park lamps VIN: 2D8FV48V65
Well, we think this one is fixed. Fuse 8 has stopped blowing and all park lights are working. As most everone pointed to problems in the rear tail lights and wire harness hanging down onto the exhaust. We found no burnt wires from hot exhaust. I asked all the ...
2008 Dodge Grand Caravan SXT 3.8L abs module VIN: 1D8HN54P68
I think I will need the proper scan tool to initialize the new module. The customer is short on cash like most , and will probably drive it as is. I guess I will call this a pass on repairing it in my shop. Thanks for the advice!
2003 Ford F-250 Super Duty XLT 6.0L Cooling Systems VIN: 1FTNW21P43
Thanks for all the help. Sorry to say, I still have the same problem. I did replace the EGR cooler and the Oil cooler. Retested the heads, only 8 psi on cooling system while over heating. I think I am going to go after the water pump. Again, Thank you to those...
2003 Ford Excursion Limited 6.8L monitor not ready VIN: 1FMNU42S13
Thanks for all the replies. Joey and Timothy and Ron are correct. This car does not need OBDII test but people that work/do state inspections dont know. I tried on 7-8 different places, and not a single one knows that this car doesn't need an OBDII test. Fi...
1989 Mercedes-Benz 190E 2.6 2.6L No Start, Stall VIN: WDBGA2909X
Crank shaft position sensor was final solution to this repair. Thank you all for yor asssistance
2000 Toyota Tacoma Pre Runner 2.7L MIL Lamp on VIN: 4TAWM72N4Y
Well not many replies on this one. But thanks for those that took their time to help me; all codes went away except for P0505. I was focusing on the A/C signal switch as the probable cause of the reocurring code but after retesting and rechecking correct ... Trouble codes: P0505, P0300 (Random cylinder misfire), P0302 (Misfire cylinder number 2), P0304 (Misfire cylinder number 4), P0171 (Lean bank 1).
2003 Volkswagen Jetta TDI 1.9L Dash VIN: 3VWSP69M83
Phew! Found it. Weird, on a hunch I changed the spring clamp at the intake with a regular screw clamp...Problem solved. I guess the 8 year old spring clamp was tired... Shrug! :) Thanks again for the help and good ideas everyone. One fella had the valve fail....
1991 Volvo 740 T 2.3L No Start, Cuts out VIN: YV1FA8754M
OK, the Volvo lives on... Thanks for all the replys to my help request. First advise is to all searching for ideas and help is to look at other REPLYS when reviewing the tech help knowledge base. I went for the easy fixes first, the radio suppression relay, fu...
2001 Volvo V70 2.4L Starting VIN: YV1SW53D21
The CEM was the cause of this failure. I checked the CAN LO and HI of a reading of 64 ohms on the lo side checked at the PSM and a reading of 124 ohms checked at the ETM plug witn no voltage on either side,then unplugged each noid furthest back on system firs...
2005 Volvo XC90 V8 4.4L MIL Lamp on VIN: YV1CZ85255
In a scientific method we made one change and then allowed the customer to take the vehicle back and he has had it now for a few weeks without symptom of CEL. We performed a reset of the system by disconnecting the battery and connecting the terminals togethe... Trouble codes: ECMP1.
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