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Prev Professional Automotive Repair Technical Discussions for December 7, 2005
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Open Help Requests for GM
Help Request Answers
1995 Buick Riviera 3.8L has a vibration at decel of 63 mph VIN: 1G4GD2217S
thi car has had a motor put in about 10 years or so,also its never been wrecked. has had all tires balanced sevral times and by different shops. also aligned by different shop also.
2001 Buick Regal LS 3.8L Misfire, MIL Lamp on VIN: 2G4WB55KX1
thank you in advance for your help. car came in with multiple misfire detected.sold a maintenance tune up injector clean. when you accelerate there is a huge bog like it is running out of gas,i guess the pcm is seeing the misfire and reacting.but number 5 cyl... Trouble codes: P0300
1989 Cadillac Allante 4.5L no start VIN: 1G6VR3187K
My probelm is that while cranking a starting disabled due to anti theft is displayed and theres no injector pulse,a 3 minute wait to start appears on dash. Any help would be welcomed,thanks in advance
1997 Chevrolet C3500 Cheyenne 6.5L No Start, Stall VIN: 1GBKC34F4V
This vehicle will start and stall. Customer had to outside shop where they replaced tranfer pump and fuel pumps. The wait to start lamp comes on then flashes. hooked up scanner and pulled dtc's P1216 & P0231.Could anyone please tell me what these dtc's are??? ... Trouble codes: P1216 (p0231-), P0231
1997 Chevrolet Astro 4.3L Stall VIN: 27465NHT0J
hey this customer brought this van in 2day it was at another shop.They put all the parts listed above,the problem with this van is it does not go over 50miles.I have not checked it out yet but was just wondering if any of you guys had a similiar problem like t... Trouble codes: P0719 (torque /brake switch circuit low input)
2000 Chevrolet Monte Carlo SS 3.8L Cooling Systems VIN: 2G1WX12K4Y
Here's a 2000 monte with a recurring po128--coolant temp too low. This car has a few symptoms that may or may not be related. The customer says the cooling fans run for about 5 min after the car is parked. The gas gauge needle moves around from empty to full w...
2002 Chevrolet Trailblazer LS 4.2L Drive-axles VIN: 1GNDT13S92
No 4wd. Cked all fuses and power to module, ok. No faults and switch won't light up at all. Have cked switch out and even replaced it , no help. All module inputs ck good except the 8.o to encoder is only 5.09v have removed wire from module to make sure it is ...
1995 GMC Safari SLE 4.3L Engine starting VIN: 1GKDM19W4S
Customer says problem started instantly one day. Problem is that when you crank the engine, it sounds and acts like either 1. Bad Starter(which it's not--tried new), or 2. A hydrolocking engine, or 3.Timing is going whack? This happens anytime--whether 1 minut...
2002 Oldsmobile Intrigue GL 3.5L starter VIN: IG3WS52H12
Hello, I have a 2002 Olds Intrigue that has a body code B2960, which is a passlock problem. The customer has had problems with it about once a month for the last three months. If he waits for 20 minutes or keeps trying it will usually crank. I have watched the...
1992 Pontiac Firebird 3.1L No Start, Flooding VIN: 1G2FS23T0N
Hi guys, We towed this one in after the customer gave up on it. It had stalled on them and wouldn't start. They installed new spark plugs, dist. cap and rotor. What else they tried to do is anyone's guess. We first checked for fuel and spark. Fuel pressure a...
1995 Pontiac Firebird Formula 5.7L Cuts out, Stall VIN: 2G2FV22P8S
this one is quite intermittent but is driving the owner crazy!! about every 100 miles the car will shut both at idle or driving, it always starts right back up but once qhen i was driving the car had no power for about 10 seconds then came right back on. after...
1998 Pontiac Firebird Firehawk 5.7L Poor Idle Quality, Surge, Stall VIN: 2G2FV22G0W
I have a cold natured car. It needs a warm blanky, otherwise it does not idle nicely. At ambient temps below 55 degrees farenheit, vehicle will surge the idle, lean misfire most cylinders, no current vacuum leaks found. Vehicle will correct itself @ ECT of 60 ... Trouble codes: P0300 (misfires on several cylinders)
2001 Pontiac Montana 3.4L heater controls VIN: 1GMDX03E91
Customer came in with lots of heat, but stays on "vent" no matter what position you put it in.Once it has been in the shop for awhile it works perfect! This system is electronic and not vacuum like previous years. Usually shortly after we start checking it out...
2002 Pontiac Grand Am SE 3.4L passlock VIN: 1G2NF12E72
this vehicle was towed in october with a no start condition. engine would not crank. when we went to check it, the engine fired right up. we checked the battery, charging system, and starter draw. everything was good. yesterday the customer called and said it ...
2004 Pontiac Vibe 1.8L 3-4 shift VIN: 5Y2SL62824
i need to know if any body else has had this problem and is it normal.

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick LeSabre Custom 3.8L blower motor VIN: 1G4HP54K91
well I'm going to call this one fixed, when it came back in to install part it was working perfectly. Dave P, Ben [...], Steve, Anthony, and Eric hit it right on the head. it was a blower control/resister, and it isab...
1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L No Start VIN: 2G1FP22P7P
thanks for the help guys! i brought the engine to #1 tdc. i hooked up a spark tester to the #1 wire, turned on the key and rocked the crank gear to see if it would trigger a spark. if it was timed correctly it would have worked. it didn't spark untill i turned... Trouble codes: 42 (info flag- both esc sensors are open).
1994 Chevrolet Astro 4.3L Cuts out VIN: 1GBDM19W4R
thanks to all for help offered, we did change the egr gaasket screen assy and checked for carbon contamination, this problem stall had been getting worse and we originaly though about the catalytic fallen apart but could not confirm with a back pressure test u... Trouble codes: 34 (map sensor curcuit low).
1995 Chevrolet K2500 6.5L No Start, MIL Lamp on, HARD START VIN: 1GCGK29F6S
Thanks for all the help! I did check the glow plugs and all tested ok. I removed all and bench tested them, 3 plugs were only getting hot in the middle and not on the tip, cust. decided to replace all glow plugs. I also replaced all glow plug connectors, becau... Trouble codes: 29 (glow plug relay system), 36 (inj pulse width error - long responce), 73 (force motor currrent).
2001 Chevrolet Metro LSi 1.3L No Start VIN: 2C1MR52291
Hi guys, No wonder this one confused us, it had two problems. First, a loose connection for a power source for the computer. Second, a dowel pin for the cam gear had sheared. Once we found the reason for the injectors not working it still gave us a no star...
2002 Chevrolet Silverado 1500 4.3L No Start VIN: 5B4GP42W22
Thanks for the help! What I found - as was suggested, it was a weak coil. I replaced the coil, also the plug wires, cap and rotor for good measure. the truck starts right up now with no hesitation! Sometimes the obvious gets us all I guess. thanks again!!
2003 Chevrolet Silverado 2500 6.0L Poor Idle Quality, Misfire VIN: 1GCHC29U33
Well gang, this is one for the books. I want to thank all of you that replied. I had quite a range of suggestions, but what the problem turned out to be was very unexpected. While the truck was sitting in our parking lot for a few days while we were gettin... Trouble codes: P0300 (Random Missfire).
2004 GMC Savana 1500 5.3L Cruise Control VIN: 1GTFH15T94
Yeah! I got it figured out! Thank you, Mike [...] for your responses. Mike, I took your phone number along to work and was planning to call you today (12-7-05). The vehicle was re-scheduled for today that is why it took...
2001 Oldsmobile Aurora 3.5L MIL Lamp on VIN: 1G3GR64H11
I am closing this as fix with summary for now. After 6 months if all is well, I'll change it to fix. Thanks to Al for the TSB number and part number for the updated inlet hose. Below is his response. Upon removal of this pump I found it full of water. This was... Trouble codes: P0410.
1998 Pontiac Grand Am SE 3.1L No Start VIN: 1G2NE52M4W
Thanks to all who responded, I'm sorry I did not write you the boss is out of town, So I have been doing a dual role, but This car was able to be fixed. It was in fact the 7x CKP sensor, many suggested this. It was rather confusing because I got a distinguisha...
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