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Prev Professional Automotive Repair Technical Discussions for January 29, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1995 Buick Skylark Custom 3.1L Cooling Systems VIN: 1G4NV55MXS
Customer brought this car in after changing the thermostat and said it was getting hot. I asked why he changed the thermostat he said because it was getting hot and he thought the thermostat was sticking. I checked it and it acted like it had an air pocket in ...
1998 Cadillac DeVille 4.6L will not start VIN: 1G6KD54Y7W
starter was drawing 698 a before replacement and after only 142 a. now it is back up to 379 a the alternator tested good and the battery is good. the right rear window is not working ??? cables were good. the car can be jumped off and started, taken a mile dow...
1992 Chevrolet S10 Blazer Sport 4.3L 4wd VIN: 1GNDT13W8N
as you drive down the road the 4wd hi button on dash starts to blinks then stays on goes into 4wd sometimes if you push the button lite goes out and most of time it stays on for a while 4wd button on dash was changed and 4wd module on ecm was also changed we u...
2000 Chevrolet C3500 7.4L Poor Fuel Economy VIN: 1GBKC34J1Y
vortec 454 engine have replace the fuel injectors 3 times already , because of fuel leak down. after shut down the injector will seap gas out and cause extended crank and long start up. has anyone have the same problem? Second set came from NAPA the third set ...
1998 Dodge Ram 2500 Truck 5.9L Overdrive VIN: 1B7KF2363W
Vehicle came in with intermitent problem. Transmission would start shifting in and out of overdrive when driving down the road at about 35miles per hour no perticular time. sometimes it works great but now it seems to be happening more often. It used to take a...
2001 Dodge Ram 2500 Truck 5.9L No Start VIN: 1B7KF23701
Hello, here is one for people knowledgable with the 24 valve cummins. This truck will not start if it is parked uphill most of the time, every now and again it will start parked up hill but most of the time not. customer has to make sure it is parked level or ...
2004 Dodge Ram 1500 Truck ST 5.7L engine VIN: DX4J181845
Hello all, This is my personal truck still under warranty,I have been trying to figure this one out before handing it off to the dealer. I have checked for TSBs, The engine runs very smooth and has good power, It just has a ticking sound that resembles the noi...
1994 Ford F-150 XL 4.9L MIL Lamp on VIN: 1FTDF15Y8R
Engine starts and idles good. If you power brake it with 1/4 throttle or more it will chug severely. Also the overdrive light blinks on and off any time the engine is running. Fuel pressure stays at 58 psi under load. Testing ignition shows sufficient spark ... Trouble codes: 624 (Electronic Pressure Control)
1997 Ford F-150 4.6L interior lights
door ajar light stays on intermittantly so do the dome lights gem module replaced 2 times cannot get problem to stay long enough to diagnosis. will go off going down road most of the time between 3-6 minutes
2003 Ford Crown Victoria 4.6L Engine overheats sets DTC's VIN: 2FAHP71W03
Hello all gracious enough to share there advice, We are having a heck of a time diagnosing this 03 Ford Crown Vic, overheats intermittanly and never when we have it in the shop, cannot duplicate problem at all. Problem happens aprox. every 1000 miles and 1-2 w...
1992 GMC K3500 Sierra 5.7L down shifting to 3-1 only on decel VIN: 2GDHK39KXN
Hello hoppfully some one can help. My sevice writers truck has issues. This is what i know. If you start off at a dead stop it shifts up through the gears properly even on hard acceleration. Whatching the scanner and I also had a vantage hooked to the two shif...
1997 Honda Accord SE 2.2L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1HGCD5604V
January seems to be my month of getting my butt kicked so I can't wait till it ends. So here goes. Car came in Saturday the 14th. initially with a complaint of the CE light on and a cold start chug. Had P303 stored and freeze frame data showed problem occurred... Trouble codes: 301 (Cyl. 1 misfire.), 302 (Cyl. 2 misfire.)
1999 Honda Civic LX 1.6L no symptons VIN: 2HGEJ6671X
Customer went for sticker and readiness monitors have not run. Battery has not been disconnected. I looked at what was involved for running a drive cycle and discounted it. With scanner attached I drove the car around for a few miles and a few hours consecutiv...
1994 Jeep Grand Cherokee Limited 5.2L Hesitation, Stall VIN: 1J4GZ78Y0R
Vehicle will sometimes stall after stopping or if it does not stall it will sit and chug. Almost as if it was missing. Then when you take off from the stop it will hesitate and then run fine. It started doing it every so often and now does it constantly. It do...
2000 Jeep Cherokee SE 4.0L oil pressure VIN: 1J4FF27S5Y
This Jeep came in for a coolant loss.Found head cracked on top near rocker arms.Replaced with new head.Inside of valve cover was full of sludge from oil and coolant mix.After road test, oil light came on at idle only. Verified no oil pressure with gauge.Pulled...
1993 Lincoln Mark VIII 4.6L No Start VIN: 1LNLM91VXP
Originally towed in with a crank and no start. Other garage had replaced the crank sensor. Initial testing found that none of the EEC relay powered items were being powered and there was no communication with the PCM. Tested the Variable Control Relay Module a...
2002 Lincoln Town Car 4.6L Speedometer - Instrument cluster VIN: 1L1FM81W52
Hi. Limousine here has intermittent speedometer operation. No problems at initial start up and for about the first 3 miles of driving, then no speedometer operation. Analog speedo goes to 0mph, odometer and "distance to empty" feature disappears. Electronic di...
1996 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D4T
i need help from a nissan veteran, the check engine lite has been reset several times and comes back on after about 8-10 miles, all hoses sensors are in place but is there some recall on this sysstem regarding a new canister and solenoid??? the local dealer se... Trouble codes: P1447
1999 Volkswagen Jetta Wolfsburg Edition 2.0L MIL Lamp on VIN: 3VWPB81H5X
Hi vw techs I have a small problem with my sons freind jetta. Really two problems, first I am a dodge guy, and know nothing about vw's. Second problem is easier I hope, I have a code p0411 ( secondary air). Since I don't know anything about vw can you vw guys... Trouble codes: 0411 (secondary air)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 BMW 325i 2.5L Excessive Emissions VIN: WBABJ5321S
I did several things that reduced the emissions.I smoke tested it with the now famous '20 dollar smoke machine' and found 2 vacuum leaks.One was at the PCV valve grommet and the other was the cam plug/valve cover gasket at the back of the head.After repairing ...
1998 BMW 528i 2.8L Auxi. condensor fan VIN: WBADD6322W
Thank you to all that responded, especially Gerrod from Northern California. His information about the location of the wiring was invaluable. This car was in an accident and the body shop was to have done all of the repairs, unfortunately it did not fix this...
1989 Buick Skylark Limited 2.3L MIL Lamp on VIN: 1G4ND54D0K
This car left with out the CEL on and she drove it around for maybe two weeks before the CEL came back on. It had only the (26 quad driver module) code in it, when I rechecked it. I followed a trouble tree for code 26, from all data and it lead me to the secon... Trouble codes: 41 (No ignition 1X Reference Pulses), 26 (Quad Driver Module failure).
2002 Chevrolet Impala 3.4L cooling fans VIN: 2G1WF55E32
Thanks to everyone that responded. I think we all went in the wrong direction. The vehicle was sent to another shop and i did stay in contact with that shop. They replced the VCM twice also from advice from a hotline they were in contact with still not fixing ...
2002 Chrysler Town & Country (Van) LX 3.8L auto temp controler? VIN: 2C8GP64L11
replays to my post confirm that drb3 is necessary for code retrieval. two replays noted that control head can be commanded to calibrate by depressing th power and recirculate buttons for 5 sec. then puts in cal mode with control display flasing for about 20 se...
1989 Ford Thunderbird 3.8L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 1FABP604XK
Hey guys, Sorry for the delay on closing this one but I wanted to make sure that it was fixed, well kind of. Thanks for the replies. After I posted the help request I hooked up a break out box to the computerand hooked up both my 4 channel labscope and my bo...
1993 Ford Explorer Eddie Bauer 4.0L Excessive Emissions, MIL Lamp on VIN: 1FMCU24X2P
Hi and thanks to those who replied. I checked engine compression low 170 high 190. Compression test ok. Then I removed upper intake so I could flow test injectors on car fuel pressure drop test. Fuel pressure was at 44 psi and went to 37 psi. Got a 7 psi drop ... Trouble codes: 137 (KOER- indicates Bank 2 system rich), 177 (CONT- code Indicates bank 2 EGO rich), 111 (KOEO- system pass).
1994 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMDU34X8R
Well i finally found the problem with the no start condtion,i went through all my testing again i checked the cam sensor it had voltage coming out of it in the cranking postion,bybass the fuel pump relay,had fuel to the fuel rail,checked the eec relay it was g...
1994 Ford Explorer Eddie Bauer 4.0L MIL Lamp on VIN: 1FMDU32X3R
Thanks for the replies. Special thanks to John from Missouri. I was able to determine that the circuit was not responding. I decided to try another new DPFE before going any further. Alas,the problem is solved. Nothing like a defective new part to through you ... Trouble codes: P0332 (EGR flow insufficient).
2002 Honda Civic EX 1.7L Alternator VIN: 2HGES25712
I checked all fuses, all good. I checked for wires chaffing, none found. I disconnected the 'c' wire at the alternator, still was not charging. Replaced alternator again, now it is charging normally. I did use another aftermarket alternator and it was ok, but ...
1989 Mercedes-Benz 560SL 5.6L Poor Idle Quality VIN: WDBBA48D3K
Thanks for all that replied to this help request. My tech took it on his own to remove and reseal the intake manifold and injector seals without success in fixing the problem. I then got an idle control valve and that was the fix. This is a great organization ...
2000 Mercedes-Benz S430 4.3L ESP/BAS module VIN: WDBNG70J4Y
Well after writing the post I went to look at the batt. All cells were at 50-60% of full capacity. I wish aftermarket batterys were made of white plastic. This one threw me as It cranked slow one time after sitting with lights on for a few minutes. Just goes t...
1995 Mercury Grand Marquis LS 4.6L MIL Lamp on VIN: 2MELM75W1S
Hello All Just wanted to thank everyone who replied to this one. Car finally returned to shop for us to look further and as most everyone replying had assumed, the PCV tube had a small hole in it at the back of the intake causing the lean codes. We ordered a n... Trouble codes: P0171, P0174 (System Too Lean Bank 2).
1999 Nissan Quest GLE 3.3L ignition VIN: SIIHDEYWYH
it turned out to be the instrument cluster had shorted out and it is tied in with security system so thats why it was not starting.Thanks guys for your replies.
2002 Pontiac Aztek 3.4L oil cunsumption VIN: 3G7DB03E32
First of all i would like to thank everyone for thier input in and info. it turns out to be the the intake gaskets were seeping oil and mixing with the coolant. i should have checked the coolant condition but i over looked it. so i changed out the intake gaske...
1997 Suzuki Sidekick JX 1.6L Misfire VIN: JS3TD03V7V
well this one is done and thanks to iatn the repair was alot easier. We found out that if you work with the wiring that runs under the intake you can make the injector come and go. So off we go under the intake and then we see the whole picture, the wiring has...
2000 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: VWVWH23B2Y
good morning; havent had the vehicle back in the shop have it scheduled next week, but most replies said the cat was bad. i ordered a oxs sensor , because several said the sensor could be the problem. ill try the sensor first, and then the cat, because of th... Trouble codes: 0411 (secondary air b1 and b2), 0423 (warm up ctalist b2 and b1), 0130 (bs-s1 reaistance to high).
2002 Volkswagen Jetta GLS 1.8L Surge VIN: 3VWSE69M22
I want to thank the 12 IATN members that responded but unfortunatly the dealer we were doing the job for, has chosen to take the vehicle back to the auction. He had to much time tied up with his own people that do Chevrolets, and had a bad response from the VW... Trouble codes: P0300 (miss), P0301 (miss 1), P0302, P0303 (miss 3), P0304 (miss 4).
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