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Prev Professional Automotive Repair Technical Discussions for May 10, 2006
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Open Help Requests for GM
Help Request Answers
1995 Buick Century Custom 3.1L MIL Lamp on
Good morning. I have this century belonging to an older gentleman that sets an EGR code P1405 solenoid 3 failure. The car runs great, no detonation. With a voltmeter on pin C in the EGR valve, I can watch the computer turing on the solenoid during normal drivi... Trouble codes: P1405 (EGR solenoid 3 failure)
1997 Cadillac Catera 3.0L No Start VIN: W06VR52R6V
this vehicle towed in to the shop from another shop does not start-cranks ok/no spark/no fuel/ when i first pulled the codes,it stored 2 codes, now it only shows one code only,which is p1564(cc accell too high or ecm battery loss) i noticed check engine light ... Trouble codes: P1564 (cc accell too high or ecm battery loss), P1502 (theft deterrent system no password received)
1984 Chevrolet Corvette 5.7L Hesitation, MIL Lamp on VIN: 1G1AY0788E
towed in, been sitting for awhile customer tried to fix. charged battery, plugged off vacume ports that had no hoses on them. got it to started( had to adjust timing to get to start). check engine light on, had code 22 tps too low. adjusted tps with snap-on sc... Trouble codes: 22 (tps too low)
1998 Chevrolet K1500 Cheyenne 5.7L MIL Lamp on VIN: 2GCEK19R4W
I just installed a Jasper reman engine in this truck it starts right up and runs good but about 5 seconds after starting the service engine light comes on with a p1345 code for cmp/ckp correlation. I thought that maybe I had the distributor off a tooth so I re...
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GNFK16R5X
i'm having a problem with code p1345 cam/crank signal, distributor has been replaced and cranckshaft sensor has been replaced, code comes on after a couple of seconds. i've reinstalled the distributor a couple of times to make sure it is installed correctly. a... Trouble codes: P1345 (cam/cranck malfunction)
2001 Chevrolet S10 4.3L No Start VIN: 1GCCT19W31
no start problem...symptoms indicated fuel problem.. fuel module replaced...ran scanner with po 452 code no other codes shown...checked with network on possible fixes with ignition switch problem indicated on a number of fixes. ignition switch replaced...still... Trouble codes: P0452
2002 Chevrolet Cavalier LS 2.2L enginbe turns over no spark VIN: 1G1JS12412
car towed in no start turns over ok fuel system ok checked ignition system no spark checked with scanner has rpm when cranking crank and cam sensors ok was to the point of checking wiring harness in engine compartment and discovered that with key in on positio...
1993 GMC K2500 Sierra 5.7L drivablilty concern VIN: 1GTGK29K8P
this vehicle has ben to several repair centers without being able to diagnose problem. Vibration comes in at about 2300rpm and peaks at 2500 then fades at 2800. techs here have removed the accesory belt and lower plully to inspect dampener, seems to be ok. Als...
2000 Oldsmobile Intrigue GL 3.5L Hesitation, Cuts out VIN: 1G3WHS2H0Y
This car runs fine, until you accell hard at WOT. It runs fine until about 4000 RPM, then the power seems to stall out, just like a plugged converter. So, we put a new converter on and it does the same thing, but if you keep the throttle at 100% and let the en...
2002 Oldsmobile Alero GL 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: 1G3NL52F62
Hi all have a good one for you, customer complaint that car had flashing ses light, lack of power. When we first drove ran good, scan for codes, no codes. drove ok. After 15 mile drive shut off for 15 minutes, on restart ran poorly, misfire? only running on 2 ...
1996 Pontiac Grand Am GT 3.1L passlock sys VIN: 1G2NW12M8T
Good Evening We have this 96 Pontiac Grand Am with Passlock security system. It was towed in and would crank and start and immeadiately shut off. The security lamp would blink 4 times and then remain on steady after the stall. (Short Tamper Mode) If we repeat...
2001 Pontiac Sunfire SE 2.2L front end VIN: 1G2NE52T8X
This sunfire has been nothing but problems i really hope you guy's can help.Only when you are going slow and turning do we get this noise even in reverse it really sound like a tock just like someone is under with a ball pean hammer sometimes one sometimes two...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Park Avenue 3.8L Seat Vertical Adjustment VIN: 1G4CW52K3X
The TSB was the fix for the parts, Believe it or not once I got a PN# my local parts supplier was able to locate the parts. Thanks everyone for the quick responses.
1987 Cadillac DeVille 4.1L Poor Idle Quality VIN: 1G6C05155K
Thanks to you guys. Did not received the long idle relearn procedure but this one help. Disconnect the battery for 30 min. hit the brake, then reconnect battery. Start the car and let idle till the fan came on, turn a/c on for 1 min. then put the car in drive ... Trouble codes: E030 (isc control).
1990 Chevrolet Corvette 5.7L Hesitation, Cuts out VIN: 1G1YY3388L
Thanks for the input. I was almost sure it was the traction control kicking in on a wheel spin but could not and still have not convinced the onwer that that is what is going on which is a normal function of the system. He wants it disconnected but we will not...
1992 Chevrolet Astro 4.3L No Start, Stall VIN: 1GBDM19ZXN
I'm going to close this one out. I haven't heard anything back form the customer. The van ran good when I test drove it. The fix was ignition module. Thank you to those who responded. It was a great help.
1993 Chevrolet Lumina APV 3.1L No Start VIN: 1GNDU06D3R
Ok the fix for this vehicle was a new dist. harness. Not 100% why but it fixed van. For all that said crank sensor, NO it doesn't have one. The diode that is in the harness must be doing something when it gets hot. We got a used dist. and swapped the harness t...
1998 Chevrolet Camaro 3.8L wipers,parking VIN: 2G1FP22KXW
I sent thanks I think to all that responded. Customer Traded in Car so it did not get fixed. Info sent said to replace Cover, replace Motor,check for warrenty, one said parking paw is at transmission. I don't know the answer cause Car is gone. Thanks to all. B...
1997 Geo Tracker 1.6L No Start VIN: 2CNBE186XV
Thanks for the help. Rodney: I had inj pulse. Mike: I think on this car that crk sensor for misfire diag. only. Billy: I had a square waveform on the white wire. I rechecked the fix data base and found that Russell Drew 10/13/03 had about the same problem. The...
1992 Oldsmobile Cutlass Cruiser S 3.3L Poor Idle Quality, Stall VIN: 1G3AL54N3N
so far this one wont idle correctly after performing several different relearn proceedures. customer didnt want to go any further.thanks for the replies guys.
1999 Pontiac Grand Am SE 2.4L Cuts out, Stall VIN: 1G2NE52T8X
I technically haven't fixed it yet, but I have found the problem. Those of you who said excessive oil pressure were correct. The oil pressure would reach 180 psi on cold starts, this would in turn pump up the lifters which would hold the valves open. There is ... Trouble codes: P0705 (Trans Range Sensor Ckt).
1999 Saturn SW2 1.9L Unknown VIN: 1G8ZK8279X
Morning, I finally got it, I called the ATSG people about the book I just bought on this trans. The Mitchel manual sometimes leaves details out. The book was revised in 2006, but only had non obdII codes. They wanted to charge me $25 for talking to a tech, but...
2001 Saturn SC1 1.9L monitors wont run VIN: 1G8ZP12861
a few responses i got were about different ways to do a drive cycle, but in this area, you do 2 complete drive cycles just to get to the grocery store, and the customer had driven the car for 3 weeks. so i went with the next most popular response which was to ...
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