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Prev Professional Automotive Repair Technical Discussions for October 7, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1997 Audi A6 2.8L ground VIN: WAUJA84A9V
Hey guys, this is for u Audi guru's. I'm doing head gaskets on this quattro wagon and its been a few days and what I need is silly. I can't seem to find the location of a ground strap and bracket. The strap is about 8" long and in a black sheath, and the brack...
2000 Cadillac Escalade 5.7L carpet VIN: 1GEYEKK63R
this is my vehicle i noticed that the drivers floor is always wet checked the a/c vents and drain no water from them. looked up into the fire wall to see if i can see water marks, nothing . i,m getting ready to lift the carpet but i wanted to try you guys firs...
1989 Chevrolet Camaro Iroc-Z 5.7L hard start VIN: 1G1FP2187K
Thanks to all in advance...This camaro after the first initial start up in the am it will start right up most the time (inital) but if shut off after initial start up will crank and crank before firing up. After warm up and driving it will start back up fine. ...
1994 Chevrolet Blazer 6.5L neutral,reverse VIN: 1GNEK18S4R
Hi everyone, This is my first post. We have in the shop this 94 Chevy Blazer 6.5 turbo-diesel (4l80E) with no neutral and no reverse. Neutral is forward gear and Reverse just revs up. Logic would tell me that forward clutch is not releasing, but I admit my li...
1996 Chevrolet Monte Carlo Z34 3.4L instument cluster and radio VIN: 2G1WX12X7T
We have this 96 monte that came in with the insturment lighting inop and also when you turn on the switch the radio light goes out also. If i manually power up the raido circuit it operates correctly but still no instrument cluster lighting. HELP! i am about r...
1997 Chevrolet Blazer 4.3L headlights VIN: 1GNCT18W1V
when driving at night the headlights abd taillights go off while driving, and the daytime running lights come on like the headlighst were just truned off, turn the headlite switch off, and in 10 minutes all o.k. again. posting for a friend who's a member but h...
2004 Chevrolet Silverado 1500 5.3L no communication VIN: 2GCEK19T64
The ABS and Brake light are on and the "gong" sound keeps going on, and my scanner won't light up when I plug into the obd connector. There is no power to the connector at any time. I have checked all of the fuses. Why dont I have any electrons at this connect...
1996 Dodge Ram 2500 Truck 5.9L No Start VIN: 1B7KF23Z7W
The problem the customer is having is the truck dies cold and cannot restart it. The history so far is, a month ago the customer came in for a misfire. I replaced the o2 sensors, did a tune up, plugs, wires, cap and rotor and did a motorvac fuel injection clea...
2003 Dodge Ram 2500 Truck 5.9L skim VIN: 3D7KU28653
Good evening. Sorry to post a request so late Saturday evening. I just towed in this truck as a no start (People from out of state, stranded while shopping). Code under Cummins engine was P0633 SKIM key not programmed, and when I accessed the SKIM module I got...
2001 Ford Windstar LX 3.8L ABS,Speedometer,odometer,heater/A/C VIN: 2FMZA504X1
Hi all, This is a strange one. Hope someone out there can help! When driving this van it wil intermitantly blow fuse 10 in the insterment panel fuse block. At first we could not duplicate, then we were able to induce the problem by acclerating while turning...
2005 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, low power VIN: 1GTHK23215
Intermittently CEL comes on and engine looses power. Happened only once since we had it and we cannot duplicate it while in the shop. We think itís related to TSB 05-06-04-047B but are not sure. We tested the wiring from the control module to the injector and ... Trouble codes: P0207 (Cylinder 7 injector circuit problem), P2146 (Inj Pos Voltage control Circuit Group 1)
1994 Honda Accord EX 2.2L No Start VIN: SGFSBSBIGF
hey guys got this car the customer says it hard starts sometimes.She said that she would drive go tothe store park and when she comes back out to start it just cranks over.If she waits 5-10 mins it always starts up,i know it not the ignition system because i c...
1996 Hummer H1 6.5L Speedometer VIN: 137ZA8336T
Calling all Hummer guru's! This one has no Speedo, no VSS on scan data. I finally got the right diagrams and went through the daig. The VSS works great, good sine wave at the buffer, there are two wires that should have square waves on them at the buffer. Brow...
1995 Lexus LS400 4.0L rear wheel hub VIN: JT8UF22E7S
Hello all: I just disassembled the left rear hub and discovered there was no snap ring retaining the bearing. This appears to be the original hub and bearing. Is this normal? There is a groove for the snap ring but there is no evidence of one ever being the...
2000 Mercedes-Benz E-240 2.4L Misfire VIN: WDB2100611
Hello every one , A colleage has a problem with this Benz. First of all it is a European model E-240 6 cyl.The car starts fine and idles fine for about 10 seconds the starts to miss on #5 cyl. I cheked for fire, good fire, good fuel pressure. the injector stop... Trouble codes: P0305
2004 Mini Cooper 1.6L power steering VIN: WMWRC33474
Hi guys. this vehicle's power steering system works fine when is cold, but after 10 minutes the power steering stops working and it is like there is no power steering in this vehicle.Beleeve or not this is a frinds car and I do not know any thing about this ve...
2006 Nissan Altima 2.5L Audio System
Hello there fellow Nissan Technicians, I have a 2006 Altima 2.5 S in from enterprise rent a car in the shop and the audio is intermittently cutting out all speakers, its the base line audio system,when i say intermittently, its not working 80% of the time and ...
1991 Oldsmobile Cutlass Supreme 3.1L Poor Idle Quality, Surge VIN: 1G3WT34T4M
vehicle came in owner complaint hesiation, got in shop and found vehicle had high idle 1550, checked and found no code intially, but sat and watch and found eng lamp would come on and go off. after testing iac and fuel pressure looked for vaccum leak and found... Trouble codes: 35 (iac problem intermitent), 33 (map)
1987 Plymouth Reliant LE 2.5L rich VIN: 1P3BP36DXH
20 year old K - car actually runs well but with the alternator disconnected. with alt connected she has no power, runs rich with vacuum readings fluctuating badly. if you disconnect the output current supply to the battery , with the alternator still supplying...
2000 Volkswagen Jetta GL 2.0L No Start VIN: 3VWRA29M4Y
tried to scan ecm with modis. no communication. engine will sometimes start and run for 1-2 secs.injectors have battery power with key on. when engine dies injectors lose ground pulse. battery is fully charged. used modis to check cam and crank sensors and maf...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1989 Cadillac Fleetwood 4.5L engine
finally decided to replace the head gaskets. customer declined repair. thanks to all who responded to this request.
1994 Chevrolet K1500 5.7L Excessive Emissions VIN: 2GCEK19K1R
I don't really consider this fixed, even though it now runs clean and will pass an emissions test. We subbed it out to another shop that is emission certified (we are not and don't have an analyser, the numbers i provided were from the state test report). They...
1991 Chrysler New Yorker Fifth Avenue 3.8L anti-theft VIN: 1C3XY66R4M
Thanks guys for all your help. The customer is elderly and I thought that there had to be a better solution then replacing the PCM. I opened the left door to confirm that the wire harness became disconnected from the lock cylinder. I simply connected the two h...
1996 Ford E-350 Econoline 7.3L No Start VIN: 1FDKE30F5T
During testing an intermittent short showed up at the right side valve cover. Suspect this took out the IDM. Replace wiring and IDM. Thanks to the eight techs for their replies and for Dieselmans site.
2000 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP5522Y
I had the customer reflash the computer and all is well.Thanks to Jim [...] that did the trick and the customer is very happy.Thanks Larry!!! Trouble codes: P1132 (bank one o2 sensor reading rich), P1152 (bank two o2 sensor reading rich).
2001 Ford Explorer XLS 4.0L Valve Lash Adjusters VIN: 1FMBU34E81
Started engine and it did the same thing; ran terribly. Further in depth testing found the reason; the three exhaust valves on the right head were bent. Regardless of what was told to me by the Ford guys or in the instruction manual, THIS IS AN INTERFERENCE EN...
2002 Ford Explorer Eddie Bauer 4.0L courtesy lamps VIN: 1FMDU74EX2
We elected to send this to the dealer,as I was unable to communicate with several of the modules(central security,portions of the hvac)It would have been to time intensive to pin out all modules maybe find the problem thank you for all responses.
2003 Ford E-450 Super Duty Custom 7.3L No Start, MIL Lamp on VIN: 1FDXE45FX2
well thanks for all the replies. all were helpful in one way or another. i decided to go ahead and hook the modis back up and performed an injector buzz test which confirmed idm operation and consequently afterward the engine started and ran for an hour. i let...
1999 GMC Jimmy SL 4.3L Stall VIN: 1GKDT13WBX
finally got the darned thing to stall on a steady basis. reinstalled fuel pressure gauge. when it dies out, fuel pressure dropped like a rock from 63psi, down to 44 psi. it acted as if the pump just quit pumping except the pump never shut off even after the en...
1999 GMC K1500 Sierra SLE 5.7L Peddle travel VIN: 1GTEK19R5X
Thanx to the 17 people that took the time to help with this problem - Alot of good idieas - heres what we did to fix it: We double checked everything first again Tried replacing power booster - didn't change anything - reinstalled old one Pads were from Napa, ...
2002 Kia Sedona LX 3.5L alternator(?) VIN: KNBUP13132
Well, yet another unsatisfactory outcome. I wasn't aware of the Kia updated alternator/reflash package until several of you mentioned it; the NoData update we just got did have the related TSB, though. Thanks for that info. The vehicle was replaced with a ...
1988 Mazda 929 3.0L Timing Belt VIN: JM1HC2219J
This car came in with the second timing belt shreded with no apparent cause. Everyones suggestions were good. I found no indication of a sticking camshaft, there were no bent valves, the tensioner bushing showed no indication of excess wear. The camshaft pul...
2000 Mercury Cougar 2.0L Hesitation, Surge VIN: 1ZWFT6034Y
The new timing belt did indeed fix it! What troubles me is none of the usual pointers for slipped timing were there. When one gets me this bad, I usually learn where my diagnostic routine was faulty, no doubt it was here too, I just haven't discovered where ...
2000 Nissan Maxima GLE 3.0L No Start VIN: JN1CA31A9Y
thank for all your help & i sent it to the dealer and they put a crank sensor & a mass air flow sensor in it seems ok for now this is a great site iatn
2000 Pontiac Grand Am SE 3.4L wheel bearing? VIN: 1G2NF52E8Y
Hello ,All; My Grand Am customer has had her car back in use for at least ten days and seems very pleased with the lack of snapping/popping noise I mentioned in my help request.I wanted to wait this long to assure myself that the lack of noises wasn't just due...
2001 Pontiac Grand Am SE 2.4L Poor Idle Quality VIN: 1G2NF52T11
What I thought it was at first was an ECM, which I ordered one. Found out that it needed to be programmed, so I had the old one out, and put it back in. Plugged everything in and everything is fine now. What I believe is the ECM wire connectors must have had a... Trouble codes: N/A.
1999 Toyota Sienna CE 3.0L MIL Lamp on VIN: 4T3ZF19C1X
thanks to all that replied - this was a learning experience.. i had cleaned the maf sensor, erased the code but did not clear the computer memory by removeing the efi fuse. after clearing the memory & several road tests the stft was between 0% - 1.6% at idle. ... Trouble codes: P0171 (lean bank 1).
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