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Prev Professional Automotive Repair Technical Discussions for February 5, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1996 Audi A4 2.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WAUEA88D3T
This car runs as if its ,misfiring on most cylinders, or running extremely lean. I don't own an emissions mashine yet to verify the lean mix. First I pulled faults,it gave me a p0300 and po302, that was easy, sprayed the wires and coil with fine water mist, an... Trouble codes: P0300 (misfire multiple cyls.), P0302 (misfire cyl. 2)
1997 Chevrolet Malibu 3.1L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G1ND52M4V
car came in the shop a no start test fuel presser found 10 psi replace pump with a/c delco car left shop 6 weeks later came in with a miss 3 1 injector owner whated all 6 replaced a/c delco car left shop 4 week later came hard start hot replace modjule and coi... Trouble codes: P0300, P0301, P0305
1997 Chevrolet K1500 5.0L Transfer case VIN: 1GTEK14M9V
Truck will not shift in or out of 4x4.Came in first time with no gears.Transfer went to neuteral.Checked for power and connectors ext.All were ok.Tapped on electronic shift module and truck shifted.Replaced module and road tested and truck shifted in and out o...
2001 Chevrolet Silverado 2500 HD 8.1L Cuts out VIN: 1GCHK29G91
Owner states that the vehicle cut off three times so far. Once when comming to a stop, hard to start but cranked and no run. He let it sit and then it started just like normal. Once at slow speed but refired with engine turning over, and once at highway speed ...
1994 Dodge Ram 1500 Truck 5.2L daytime running lights VIN: 1B7HC16Y7R
Hi the running lights on this truck will come on normally after starting but after about 10 to 20 seconds will go out and the abs and the brake warning lights come on as if the e-brake was still applied. We have replaced the e-brake switch and the module with ...
1996 Dodge Neon 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B3ES27C7T
neon hard to start. if i force it runs ok on 2500 rpm feel its miss fire. idle rough. notice at tail pipe its missing like 1 cylinder. check fuel pressure 48 psi. while i watch on fuel pressre in idle guage repidly fluctuate at 50 trottle snap lightly it repid... Trouble codes: P0172 (bank 1 rich)
1996 Dodge Grand Caravan SE 3.3L Stall, MIL Lamp on VIN: 2B4GP44RXT
Hello everyone! I have a caravan that has a P0401 code I cannot get rid of. Replaced exhaust tube, egr valve, solenoid and cleaned passages twice. There is vacum to the soleniod, 12v, and signal from computer. What am I missing? Now vehicale stalls intermittan... Trouble codes: P0401
1997 Dodge Avenger 2.5L odometer
Hello fellow techs. We had this vehicle come in over a week ago. The charge light was coming on after driving one mile. Ended up replacing the 120A fusible link in the power distribution box under the hood. We did take the alternator off to have it tested. Her...
1993 Ford Ranger STX 2.3L No Start, NO SPARK VIN: 1FTCR10A7P
came to me with a dead battery and a no spark condition. koeo shows code 111(no codes battery was removed by customer) customer states that truck has been stalling after long warmup for several weeks, but no mil light, then wouldn't start. no spark on any plug...
1994 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Surge VIN: 1FMDU34X6R
I hope you will all forgive the long post: this truck came in with a poor idle quality. koeo, koer, and cont codes all clear. when running through the tests could see the voltage in the dpfe sensor moving. I also went through the grounds, they looked good. whe...
1995 Ford Thunderbird LX 4.6L No Start VIN: 1FALP62W4S
This car was towed in last week after having sat in the customers yard for over one year. The problem is a no start that existed before they parked it in their yard. Now after that amount of time they've decided to get it fixed and smogged. What I've found so ... Trouble codes: P1000
1998 Ford E-350 Econoline 7.3L Poor Idle Quality, Misfire VIN: 1FDWE37F0W
this one is driving us nuts!!! what we have is a rough running motor at idle but smooths out at higher rpm then intermitantly it will start to run extremly rough and blowing a lot of smoke out the tail pipe. the after a couple of minutes it will settle down an...
2000 Ford Windstar SEL 3.8L convertor VIN: 2FMDA5341Y
A few weeks ago my wife's friend brought me this Windstar. Her complaint was a "surge". During a roadtest I noticed that when the T/C locked the van surged abruptly 3 to 4 times (a 300 to 400 rpm drop) The fluid wasn't the cleanest so I suggested a flush. No h...
1995 Infiniti J30 3.0L Cuts out, Stall VIN: JNKAY21D2S
Hello, We have an Infiniti J30 which stalls when shifted into reverse or drive. The problem happens ONLY when cold. The engine will restart right away without any problem but the engine will stall again when shifted into reverse or drive. Please Help. Thank y...
1993 Jaguar XJ6 Sovereign 4.0L Starting VIN: SAJHW174XP
hi all. please help me with this british bomber. Intermittent no start--like a unhooked starter solenoid wire. all other power ok. accessed starter combo relay under glovebox and manually closed relay contact points which enabled the starter to engage and the ...
1993 Lincoln Mark VIII 4.6L door locks VIN: 1LNLM91V7P
Thanks for your time. This Lincoln is equiped with remote/keyless entry, and a factory alarm. The door locks will not actuate when the switch is depressed. The switches tested ok. The alarm will sound after shutting the unlocked doors (after apprx. 30 seconds)...
1990 Mazda RX-7 GXL 1.3L factory alarm VIN: JMIFC3521M
Hi All Thanks for taking a minute to look at this post. I hope you can help. What I have is a 90 rx7 that the factory alarm will not work at time and then other times it will set itself. What my customer wants is to disable it permantly. I cant find any info ...
1995 Mazda Millenia 2.5L cyl head VIN: JM1TA2218S
We don't see many of these rockets made by J.A.Pan-I would like some advance information before I start ripping this vehicle apart. 2 problems- first, this engine has a cold start up clatter that sounds like it is coming from the rear cyl head- do these engine...
1993 Nissan Altima 2.4L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1N4BU31C2P
first of this is my own car which i,ve had for about 8 months now. the motor runs great lots of power and no oil consumpstion. the main problem is extremely poor fuel mileage when used for city driving. we are talking about 15 miles per gallon or less compared...
1996 Nissan Pickup SE 2.4L MIL Lamp on VIN: 1N6SD16S1T
Hello there Nissan guys! I am having a problem with this 96 nissan truck. It happens intermittently, the check engine light comes on retrieving code #p0505-iacv/aac valve malfunction. IACV valve ohms out ok. Also checked iacv with labscope & pattern look good.... Trouble codes: P0505 (IACV/AAC-idle air control valve system malfunction.)
1982 Oldsmobile Delta 88 Royale Brougham 5.7L routing VIN: 1G3AY69N9C
I need the 5.7 injection pump firing order including the direction of rotation and position of the number one line. There is no 12 or 6 oclock position. I also need to be sure that the information includes if the firing order is from a view facing the vehicle ...
1997 Saturn SL2 1.9L defogger VIN: 1G8ZK5279V
1990 Subaru Legacy 2.2L high clutch VIN: JF2BJ6502L
Subaru Tranny Guy's please help, losing sleep over this one. Aquired car for free, wont move. O'haul trans myself and found high clutches and rev. band burned. Everyting good for about 150 miles then no car takes off in 3rd and rev. locked in fwd.and rev. at s...
2002 Subaru Forester L 2.5L starter motor VIN: JF1SF63512
Hello group, this subaru cranks iregularly & some times kicks back when cranking, just like the old days with dodge darts. Problem is much more severe sometimes than others. Customer never pursued solving the problem over the corse of the last year as it wasnt...
1990 Toyota Celica GT 2.2L Air bag light VIN: JT2ST87N6L
Please Help I am a tech in a GM dealer I tryed to help out one of the cleanup girls and replaced the steering rack on her Toyota and found the wheel not straight after repair and due to the trouble to change the position of the shaft at the rack I decided to r...
1999 Volkswagen Passat GLS 1.8L module VIN: JKL345QWE4
I am about to replace the ABS module for no communication with scanner light on ... It a first time in doing this job and need a detailed description on how to do this job. I have ross tech hex can set up and since I am un able to get any of the coding from th...
2000 Volkswagen Jetta TDI 1.9L Cuts out
hello: first time on,with my first computer,so be kind to me.I've got a 2000 vw jetta diesel,getting air bubbles in the fuel line.I know I have a suction leak,removed sending unit to check looked ok.Ran engine and wiggled conection at top of tank,saw air in si...
1994 Volvo 960 2.9L Mechanical VIN: YV1KS9507R
This ones for any well seasoned Volvo tech. Im building a B230 turbo engine to put in this 960. I just dont like the way a timing belt on a 960 can break for no aparent reason and distroy itself. (this is the second one I've seen. I bought this car cheap enoug...
1998 Volvo V70 2.4L MIL Lamp on
Hello All, I apologize for not having the vin. I am posting from home and do not have the vin. info. The car is a 1998 volvo V70XC AWD with a 2.5L 5 cyl. turbo. The problem is a recurring code PO171. I am scanning the computer with a generic scan tool. My fir... Trouble codes: P0171 (fuel adaptation)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Buick Skylark Limited 3.1L Cuts out VIN: 1G4NJ52TXT
All three replies I received were pretty much the same...replace the PCM. Although the vehicle has not yet returned, the customer was notified and plans to have us replace the PCM. Once I have more information I will share it with you. Thanks to all who respon... Trouble codes: P0600 (PCM communication problem).
1998 Cadillac DeVille 4.6L theft system on VIN: 1G6KD54Y1W
well guys after alot of cussing and tearing hair out. I talked the boss into doing the 10 min on 10 sec off for three times before even trying to start it and that finally did the trick. Had to keep a battery charger on just so headlights wouldn't kill the bat...
1986 Chevrolet S10 2.5L engine/trans VIN: 1GCBS14E2G
The torque converter must have been coming apart inside. Also, there was no bushing in the crankshaft end to support the converter properly
1994 Chevrolet Lumina 3.4L Unknown
hi and thanks all for the help. unfortunately my computer e mail was frozen for thirty days and i never recieved 1 mail. onmly now, upon trying to close the post did i notice any mails. thanks guys for all your help.
1995 Chevrolet Lumina 3.1L Lifters VIN: 2G1WL52M95
Thanks to those who had replied. We double checked the gaskets we used, to make sure they were the right ones, they were. Then we checked the pushrods, to make sure they were in the right places, that was ok too. We also talked to our machine shop we use, they...
1997 Chevrolet Lumina 3.1L MIL Lamp on VIN: HJJKU458FR
thanks to all the people who responded,they know who they are, i replaced the cannister vent valve, repared the wires to the valve and replaced the cannister car has not been back, thank you Trouble codes: P0440, P1675.
2000 Chevrolet Silverado 1500 4.8L Unknown VIN: 1CGEK14V7Y
Thank you all for the responses,the customer has not come back yet with the truck, but from all the responses I got i'm confident that a new updated slip yoke and the special grease will fix the problem.When the truck comes back I 'll post an update. Thanks ag...
1995 Chrysler Town & Country (Van) 3.8L heater VIN: 1C4GK54L8S
i was not able to fix this van my coustomer decided it was time to let it go so he traded it in on a 04 model however i would like to thank everyone for the replies i had fourteen very good replies and wished i could have done some more testing on the air flow...
1999 Dodge Durango SLT 5.9L 1-2 shift VIN: 1B4HS28Z3X
Thanks for all your help, I took the information I gathered here and went to a friend of mine at a trans shop. I missed an important step When shifting manualy ( which I never did there was no second gear (oops!!)), strange how the trans was smart enough to sk...
2001 Dodge Ram 1500 Truck 5.2L No Start, HARD START VIN: 1B7HF13Y51
Hi Techs, I would like to thank everyone for all their input in reqaurds to my problem. Most replies were leaning towards checking the ECT sensor because of the black smoke from the tailpipe issue. I did recheck all my data on the scanner and all data was co...
2001 Dodge Dakota R/T 5.9L pings VIN: 1B7HL38Z12
Got an awesome set of replies on this problem. I would say the 'correct' fix (once everything else is verified) is to go to the dealer & have the ECM re-flashed. My friend's customer tried to do this & the dealer said they couldn't do it. Unfortunately that's ...
2003 Dodge Ram 1500 Truck 4.7L MIL Lamp on VIN: 1D7HU16N13
Thanks to everyone for your help. I removed the serp belt from this truck to eliminate the possibility of accesory vibration causing false codes. It would set in neutral so I knew it wasent drive train. I tried mopar combustion chamber cleaner. Engine vacuum w... Trouble codes: P0304, P0307, P0303, P0306, P0300.
2002 Ford Mustang 3.8L Surge VIN: 1FAFP444X2
Randy helped nail the coffin shut on this one. Fuel Pump Module was the problem. In tank module that is. The pump must not have had a steady volume or pressure problem causing the pcm to keep overcompensating fuel demand which made the pressure pulse up and do...
2002 GMC Sierra 2500 HD SL 6.6L fuel gauge and water tempeture gauge VIN: 1GTHK23112
Thanks for helping with my problem but it is not yet fixed, Thanks len.
2000 Honda Odyssey EX 3.5L heater output VIN: 2HKRL1869Y
I want to thank everyone that replied to our help request. The comon thread was that there was air in the system, and that seemes to have been the case. The sugestions that the car be lifted in the front and the heater controls actavated when evacuating the sy...
2001 Mazda 626 ES 2.5L Cooling Systems VIN: 1YVGF22D81
The customer has not yet returned with the vehicle for further testing. I received several responses pertaining to a possible faulty radiator cap or a head gasket problem. Some also stated to closely inspect all coolant line and hose connections for dried up c...
1987 Mercedes-Benz 300D 3.0L blower motor VIN: WDBEB33DOH
thanks for all the replies that i received,this vehicle did indeed have the external flat fuse installed but it was hidden,fuse was found to be broken,replaced fuse and blower motor operates once again thank you for all the help received
1996 Mercedes-Benz C280 2.8L Instrument Cluster VIN: WDBHA28E2T
Thanks to everyone who responded. I got it to come out easy when I tried a couple of 90 Deg pick tools on the bottom thanks to Danny from Georgia. I appreciate all the help. Thanks, Daniel N [...]
1993 Nissan Sentra E 1.6L 1-shift only VIN: 1N4EB31F4P
Hello to all Tech, Sorry for the late post,it the was very cold weather and part avialability hold me down (-13F driveway temperature).Thank you all who shared times and knowledges, too many to mention I appreciated you all.It's a worldwide effort from DownUnd...
1998 Pontiac Grand Prix GTP 3.8L Starts & Dies VIN: 1G2WP521XW
I would like to thank all of the great technitions who spared a little of there time to help me solve this problem. The fix for this car was to replace fuel pump speed control resister. I installed a updated resister kit. MANY THANKS. Lee
1996 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZK527XT
Gentlemen, Thank you all for the several helpful responses. The EGR code was corrected by replacing the EGR valve as I expected. The cam position code seems to have been eliminated by replacing the spark plugs with NGKs gapped at .040 instead of the original .... Trouble codes: P0341, P0404.
1993 Toyota Land Cruiser 4.5L MIL Lamp on VIN: JT3DJ81W8P
With the help of guys like Dean, Agostino, Edwin and William the culprit was a bad TCM (transmission control module) In an unrelated matter, I'd also repaired melted wiring on the engine harness @ the EGR valve. Thanks much! Trouble codes: 83 (ESA1 - no communication), 84 (ESA2 - no communication), 85 (ESA3 - no communication).
1994 Toyota Pickup SR5 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JT4VN13G8R
thanx guys, i isolated thw ckt from pcm and found through wiggle tests that i had intermit ground on thw ckt. found wires shorted together inside hard plastic wire loom that mounts in front of intake plenum. repaired wires and veh cranked right up and ran fine... Trouble codes: 22 (testing and results).
1996 Toyota Celica GT 2.2L Coolant overflow VIN: JT5FG02T1T
I would like to thank everyone that replied. Everything that we had done improved the car up until the end. With the cooling system sealed up and the runability corrected the added pressure in the cooling system was making it leak by the filler neck in the rad...
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