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Prev Professional Automotive Repair Technical Discussions for July 5, 2007
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1997 Buick Skylark Custom 3.1L Unknown
intermitent no instrument cluster power and no eng.run.at same time code for no password rec.by theft det.system and no bus connection pcm to abtcm.3 min. later ipc power car runs all is O.K.
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2004 Buick LeSabre Limited 3.8L No Start, Cuts out VIN: 1G4HR54K44
Hi Guys Just about every 3rd Day Car Quits Sets a Code For MAF Crank Engine ( No Start ) Clear Code Then Car Starts and is Good For 3 More Days- PCM ? Did alot of Testing this is the quick version Thanks.
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1994 Cadillac Eldorado 4.6L Stall VIN: 1G6EL12Y6R
This vehicle will start having fits after an extended drive time. Engine will stumble/stall and imediately restart. ABS/TCS light will come on. AC Control Panel will lose Data and show (---) on the display, Compressor will shut down. Information panel in left ... Trouble codes: 1032, 1033 (IPC Serial Data Loss), 1034 (IPC Serial Data Loss), 1052, 72 (ABS Serial Data Link), P0047 (PCM/BCM data Link)
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1994 Chevrolet S10 4.3L engine VIN: 1GCCS14W35
have a s10 pick-up here with an overheating problem. cust came in with a overheating problem upon first inspection the cooling system overflowed through the overflow bottle to me that was to be the cap not releasing pressure. recommended and replaced cap radia...
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1995 Chevrolet Caprice Classic 5.7L starter VIN: 1G1BL82P7S
have replaced starter three times now for same sympton. starter use to only grind or disengage when hot, now at any time. have replaced ignition switch, starter enable relay, checked grounds and rerouted new wire to stater.still to no avail. to resolve problem...
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1999 Chevrolet Astro 4.3L Hesitation, Surge, Cuts out, Stall VIN: 1GBDM19W4X
This Astro will cut-off at random. We thought we found the problem when the fuel pump failed. Now the van starts fine, but the van still cuts-off as before. Sometimes it will hesitate on accelleration. There are no codes. The cam retard is at -9 degrees. The f...
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2003 Chevrolet Express 1500 5.3L radio VIN: 1GNFH15T33
The customer's CD player no longer worked, so he went and got a used one. However it, according to the junkyard writing on it, came out of a 00 Impala. A local garage that has a Tech 2 attempted to reprogram the vehicle to accept that unit. However he says it ...
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2003 Chevrolet Silverado 1500 4.3L Airbag Light VIN: 2GCEC19X33
The airbag light is on, has code B0083- Passenger Seat Position Sensor Circuit. This system has a hall effect sensor mounted on the inboard seat track of each seat to determine the type of airbag deployment needed. I have very limited information on this syste...
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2002 GMC w3500 4.8L 1-2 shift VIN: J8DB4B14X2
450-43le (aisin seiki) 2nd gear starts and no communication at diagnostic data link conector. All fuses in fuse block good. Power at obd conector (green wire). Not sure if I can read transmission DTC'S at this conector.
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2001 Oldsmobile Alero GX 2.4L lights VIN: 1G3NK12T91
car came in for no start had body code b2960.replaced ignition switch (tumbler) and started. customer picked up car and phoned back next morning saying dash and radio light not illuminating.went to her house to check thinking maybe the rheostate was turned off...
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1995 Pontiac Bonneville SE 3.8L engine VIN: 1G2HX52K1S
First i would like thank all of you for any help you you can offer. I am almost sure the antitheft system is what's causing this problem. The car first started giving this problem about three weeks ago. First it would start after you turned the key off and on ...
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2000 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 1G2WR5218Y
The car came to our shop with a miss under heavy load especially when the supercharger kicked in. Apon visual inspection we noticed the front three wires were arching so a complate tune up was preformed. The car left all was well. Three days,100km later the mi... Trouble codes: P0300
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2000 Saturn SL1 1.9L Poor Idle Quality VIN: 1G8ZH5284Y
symptoms are idle speed may hang high at 2000 rpms at times,yet turn vehicle off and re-start it then idles like it should. service codes that return pertain to low voltage fuel injector#1 and high voltage ignition control cylinders 1/2 and 2/3. very difficult... Trouble codes: P0261 (injector control circut low), P1351 (ignition control cyl 1/4), P1352 (ignition control cyl 2/3)
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac CTS 3.2L Hard Start VIN: 1G6DM57N53
I've been waiting for authorization from the customer to replace the crank sensor reluctor. Here is the update on what I've done so far. Using a mirror and an ice pick I was able to center the gaps of the reluctor to the sensor hole. the mil stayed away for 50... Trouble codes: P0336 (Crankshaft Position Sensor Performance).
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1995 Chevrolet Camaro Z28 5.7L fuell smell VIN: 2G1FP22P7S
WOW THANKS GUYS FOR YOUR HELP ON THIS ONE. WE FOUND THREE ISSUES AND WILL BE FIXING THEM SOON THE CANISTER WAS FLOODED WITH FUEL AND THE CANISTER PURGE LINE WAS CRUSHED AND CRACKED AND THE FUEL TANK IS LEAKING AT THE FILLER NECK. WE USED A SMOKE MACHINE TO FIN...
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1998 Chevrolet Cavalier 2.2L pedal VIN: 1G1JC5243W
sorry this took so long.customer is on 2 month holiaday and will let me install a new booster at time of return as most replies centered around that item will update if this fixes the problem.
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2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Misfire VIN: 3GNEC16T91
CUSTOMER HAD TO TAKE CAR, WILL RETURN AT A LATER DATE
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2001 Chevrolet Blazer LS 4.3L abs VIN: 1GNDT3W512
THANKS FOR ALL THE HELP, THE VEHICLE JUST NEEDED A ROAD TEST TO CHECK WHEEL SPEED SENSORS. LIGHT TURNED OFF BY ITSELF. ONE TECH SAID HE DID"T WANT TO INSULT ME BUT HE GAVE THE RIGHT FIX THANKS, NO INSULT TAKEN.
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2001 Chevrolet Tahoe 5.3L compressor VIN: 1GNEK13TX1
I'm guessing this vehicle was fixed, was told so this morning anyways. I've been out of the shop for a few days, while wife was having a new baby boy! I asked the tech what he did, with the first reply, he didn't want to talk about it, as he said. Then was tol...
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2003 Chevrolet Silverado 1500 5.3L No Start VIN: 1GCEK19T93
Hello and thanks for all the great help! The problem was the feul pump. I pulled the fuel pump relay and run an external fused power to the pump through the power test cavity (thanks to the message from Jose [...]) and replaced the PCM B fuse then sarted ...
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1995 Geo Metro 1.3L Heater Core VIN: 2C1MR5297S
Thanks for everyones input. I did check for voltage in the cooling system. Very minimal. Turned out that one of the solder/weld had a little pin hole in it. Replaced it. Problem solved.
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1996 Pontiac Sunfire SE 2.2L Excessive Emissions, Poor Idle Quality, Misfire VIN: 3G2JB5240T
thanks to everyone who reply.jame [...] and others advice me to chech the ground wire it has 1.5v volt drop. clean cable fuel trim all back to normal within 5% long fuel trim
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