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Prev Professional Automotive Repair Technical Discussions for January 27, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Acura TL 3.2L MIL Lamp on VIN: JH4UA3648W
CEL comes on within 5 seconds of clearing the codes. 1st code to come up is the p0155 left primary ho2s heater circuit problem. if you drive the car p0135 right primary ho2s heater circuit problem. now, went to all data and followed appropriate flow chart whic... Trouble codes: P0155 (left primary ho2 sensor heater circuit problem), P0135
1999 Dodge Grand Caravan LE 3.8L No Start, no power to dash VIN: 1C4GP54L5X
This vehicle has no power to the #14 gauge red wire going to the ignition switch that supplies power to the power windows, dash indicator lights,ignition system, starter relay system, wipers, radio, etc. The electronic odometer displays the mileage properly,...
1998 Ford E-150 Econoline 4.6L RKE Module VIN: 1FTRE1463W
We have a 98 E-150 that came in originaly with no park lights. found blown fuse #10, replaced fuse & as soon as you turn on the park lights you can here the fuse snap. Easy right, we traced short back to the RKE module. Brown wire circuit #14 pin 9 [park lamp ...
1999 Ford Econoline Super Duty Custom 7.3L Misfire VIN: 1FDWE3OF3X
Hello all fellow techs.Thanks for taking the time to read this. I need help on this one as I am afraid I am missing something.The e 350 van I am working on has a stumble or missfire under acceleration and it is similar to a secondary breakdown.I first checked ...
2000 Ford F-150 Lariat 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FTRX18L9Y
We have a ford f150 in the shop that has a intermitent problem. It started with a p0171 and a p0174 about three weeks ago. I then cleaned the mass airflow and tb and replaced the air filter. All numbers looked great and vehicle ran great. Now its back with sam... Trouble codes: P0171, P0174
1999 Oldsmobile Bravada 4.3L trans case
Customer states that 4wd (autotrack) does not work in drive, but that it does work in all other gears. "Vehicle has little to no traction on slick surface (snow/ice) in drive, but when put into another gear vehicle traction is good." Recent trans overhaul, veh...
2003 Pontiac Grand Prix SE 3.1L Coolant VIN: 1G2WK52J53
Just bought this car. There is some type of oil in the radiator and the coolant recovery bottle. The upper radiator hose, and the hose to the coolant bottle are soft, like the oil has been there a while. Are these engines prone to internal oil leaks to the coo...
2004 Porsche Cayenne S 4.5L door lock and unlock VIN: WP1AB29P54
Hi : Dear porsche friend,this cayenne s has a problem use the keyless entry can't lock and unlock door(every door) but start engine ok.Use piwis clear kessy dtc,then door lock and unlock ok.But about one hour later all the door lock and unlock not work ,the dt...
2000 Subaru Outback 2.5L MIL Lamp on, comunication VIN: 4S3BH6650Y
Good evening; I have a constant mil lamp on that my customer is concerned about. The car runs great and the mileage is very acceptable. The idle stabilizes after warm-up. My Genysis shows a P1133 code. It is manufacturer specific. I seem to have a communicatio... Trouble codes: P1133
1998 Volkswagen Jetta TDI 1.9L Starting VIN: VWVWVWJETT
TDI Z1 engine will start on ether, will not by its self. no power to glow plugs the relay up by the wiper motor with large fuse is melted had to order one. after jumping the relay the power seems to go to some sensors on the back of the cylinder head coolant f...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Audi A6 2.8L Transmission VIN: WAUJC84A7W
Got two great replies that basically said to check the fluid levels and if the levels are right then the trans probably needs a rebuild. The levels were actually low so it's toast. Not my cup of tea so she'll have to go elsewhere for that. Thanks to all
1997 BMW 528i 2.8L Brake Pad Sensors and Brake Light VIN: WBADD6324V
Thank you for all your replies. Today I went back and took a closer look at both of the wear sensors. The right rear sensor is still in good shape, but I checked it with my DVOM like many of you suggested and it was open ! Then I went back to the left front s...
1991 Chevrolet K1500 Cheyenne 5.7L No Start
Hi all - It was the ecm. I thought I had properly checked for correct power & grounds, but decided I should go through & check again. I did check out the ignition switch, oil pressure switch, fusible link, etc. All checked out okay. I replaced the pcm, rec...
2001 Chevrolet Astro 4.3L engine
2001 Chevrolet Venture LS 3.4L Fuel gauge, temp gauge VIN: 1GNDXO3E91
As I was advised I disconnected a radio. In result gauges started working properly. So culprit was the radio.
2003 Chevrolet S10 2.2L thermostat??? VIN: 1GCCS19H43
Thanks to all who replied. Everyone had good ideas about what may be causing the problem. I was getting too caught up in the fact that airflow across thr radiator whether by the fan or ram air was causing the temp to not come up to normal of 195. Several of yo...
2004 Chevrolet Tahoe LS 5.3L 4 4 system VIN: 1GNEK13Z04
thanks for all the help after checking all the connections, and wiring, we replaced the transfer case position sensor, inside the encoder motor,that took care of the problem.
1968 Dodge Dart GTS 5.6L steering box
Thanks for all the replies. Almost everyone who replied said that there was a centering adjustment on this steering box. I tried the adjustment, and if I tapped the valve all the way to the top the box would stop self steering, but had no power assist. If I ta...
1993 Ford Explorer XL 4.0L l/f wheel
Good day everyone I would like to thank everyone for the overwhelming number of responses I got to this post. I got lucky to have a customer that was willing to hang in there and spend some money on this rat of a vehicle. Replacing the other hub solve this...
1993 Ford Mustang LX 2.3L MIL Lamp on VIN: 1FACP40M2P
Guys the info on the breakout box pin numbers matching PCM pins exactly was very useful I installed another computer after repairing BAD grounds at the body.This ensured there would not be another computer damaged. The customer refused further repairs after I ... Trouble codes: 223 (No dual Plug Inhibit control).
2001 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D31
Hello, I want to thank everyone that offered help. It may be that the generic scan tools display these "codes" in error. I do not have a dedicated scan tool so I suggested that the customer bring the vehicle to a dealer and have it scanned for codes. So far I ... Trouble codes: U0D00.
2001 Hyundai Sonata GLS 2.5L power windows/wipers VIN: KMHWF35V91
We recieved 5 replies advising us to go to the Hyundai website at The electronic timing and control system module was the problem. As I had mentioned, the customer decided against replacing it due to the cost and the bad experience with the dea...
1997 Land Rover Range Rover SE 4.0L battery VIN: SALPV1249V
I'll call this fixed as the customer is satisfied with RF receiver disconnected and battery not dying. This of course means that he cannot use his security handset to lock and unlock the vehicle. He would prefer this to spending another $300 for a new receiver...
2001 Land Rover Range Rover HSE 4.6L colling system VIN: SALTM16421
Thanks to every one who replied to my request. Upon checking each cylinderI found collant discolouration on #-8 Cyl spark plug. I suspect a blown head gasket or a liner not sealing . I will give the bad news to the customer and find out what he wants to do fro...
1994 Mazda 626 LX 2.0L key/tumbler VIN: 1YVGE22D8R
Thanx To All Who Replied The Pins Did The Fix As I Thought But The Book Time Of .8hrs Is Nowhere Close.
2001 Mercury Cougar 2.5L heater VIN: 1ZWFT61L11
As of now this vehicle is not fixed. We did pull the pump and checked the impeller which was fine and the belt was tight. We installed a restrictor in the heater line of various sizes which actually reduced the heat out put. A former employee of mine who ...
1991 Nissan 300ZX 2+2 3.0L Hesitation VIN: JN1RZ26H2M
Most replies stated checking for corrossion on injector connectors and other sensor terminals. A few suggested Mass air flow sensor problems. A good used Mass air flow was tried, and it did seem to improve idle. I feel timing was going to be found to be off...
2005 Pontiac Vibe 1.8L MIL Lamp on VIN: 5Y2SL63835
thanks for all the help on this one we replaced the air filter and the mass airflow sensor, and that took care of the problem.
2000 Subaru Outback Limited 2.5L Poor Idle Quality, HI IDLE VIN: 4S3BH6865Y
Well as you know the trans position switch and the idle control motor were both replaced and to no avail.Ther are no vacum leaks and as at least one of you suggested unless someday a reflash or a new ecm comes out it is confirmed normall.? A call to the local ... Trouble codes: P1507 (idle control system malfunction).
2003 Toyota Highlander 3.0L fuel gauge VIN: JTEHF21A83
hi guys, i have to report that the gauge has been working since the last time we unplugged the cluster, so the truck has not been back to us. i left this request open until now thinking that the problem would have occured again, but it hasnt; so im gonna clos...
2001 Volkswagen Passat GLS 1.8L poor heat VIN: WVWWAC63BX
Thanks to all who replied. Very popular issue I guess, all of replies(13) all pointed to heater core being plugged. Was not able to back flush and get adequate temp( as suggested , was worth try ). Replaced core (tons-o-fun) and heat temp at 150ish now...WOOOO...
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