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Professional Automotive Repair Technical Discussions for March 2, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1981 Cadillac Seville 4.1L blower motor VIN: 1G6AS6940B blower motor inoperative had a bad ground on the programmer and display unit causing no lights on display replaced power module due to flow chart for an 82 dont have anything for an 81 if anyone can shed any light on this or possiblily has the correct year flo... |
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| 1992 Cadillac DeVille 4.9L Wont Start VIN: 1G6CD53B5N Ok GM guys I got one for ya. This Cadillac came in with a no start condition, and after tons of probing of wires etc. I've come up with the following. Ignition switch is functional and all fuses are good. The resistor pellet on the key is worn and the key we ... |
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| 1996 Cadillac DeVille 4.6L Misfire, MIL Lamp on VIN: 1G6KD52Y8T cust states that after over night sits 8-10 hrs or at least a 2 hr sit between engine starts, engine runs rough for at least 5 to 10 seconds. engine smooths out after 10 seconds. mil light then is on. engine was started and run for approx 5 seconds then shut o... Trouble codes: P0300, P0305 |
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| 2000 Cadillac Seville SLS 4.6L Starting VIN: 1G6K5S4Y8Y I got this Caddy that has an intermittant condition where the starter won't crank. It has been to the dealer several times they have replaced the following items Starter Relay, Starter, and PCM. The owner came to me for a second opinion. I have checked voltage... |
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| 1988 Chevrolet Camaro 2.8L Poor Idle Quality, Hesitation, Surge VIN: 1G1FP21S7J Greetings techs, this one came in with 42, EST code. Cleared code and did not return, but it has a real high idle. Scan data shows IAC is at around 80. Timing is O.K. TPS at idle, .80V and no Vac. leaks found. EGR is not influencing it and valve looks new. CTS... Trouble codes: 42 (EST problem) |
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| 1995 Chevrolet C3500 5.7L Hesitation VIN: 1GTHK34K9S after engine repair noticed a stumble on light accel about 1500 rpm only. after that vehicle drives normally and idles normally tried another ignition module with no improvement also double checked base timeing and distributor sync both are ok it almost feels ... Trouble codes: 42 (ignition control module) |
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| 1995 Chevrolet Cavalier 2.2L No Start VIN: 3G1JC5248S Greetings fellow techs.The customers original complaint was that the car would start and stall almost everytime you started it.After a few tries it would run o.k.When the car arrived this morning the customer said that it was now starting o.k. but the mil indi... Trouble codes: 19 (crank sensor fault) |
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| 1991 GMC K1500 Sierra SLE 5.7L No Start, Stall VIN: 2GTEK19K9M On this 1991, GMC, K1500. 5.7L engine, It has burnt out 4 ignition modules in the past year. I wonder if anyone has come across this problem, and what the cause might be. Thanks, Kevin |
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| 1990 Oldsmobile Cutlass Ciera 3.3L Hesitation, Misfire VIN: 2G3AL54NOL I've got one for all of you gm wiz's out there. I have this Olds with a 3.3 in it, the problem I am having is a hesitation on acceleration and a liht miss at idle. It is not a dead miss, I can do cylinder balance test and all cylinders will have some change. I... |
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| 1999 Pontiac Grand Prix GT 3.8L Unknown VIN: 1G2WP12K3X Got a noise I can't figure out. Sounds exactly like a rotor hitting backing plate. Noise only occures on right hand turns during any kind of accel. light or hard. Will not happen on decell, braking, or in reverse. Has original wheels. Will happen everytime aft... |
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| 2000 Pontiac Sunfire SE 2.2L thermostat VIN: 1G2JB1241Y I have a 2000 sunfire in our shop with no heat, the engine operating temperature is only getting to 125 degrees.Suspected the thermostat.So i removed what looks like the the thermostat housing (and according to alldata and general motors parts is supposed to b... |
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| 2001 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NF52751 trying to help out a local used car dealer on this one.he can't sell the car unless he gets this solved!shortly after he aquired the car,the mil came on.he tried to repair it himself by replacing plugs,and complete coil housing assembly from another car.code c... Trouble codes: P0300 |
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| 2003 Pontiac Aztek 3.4L Front Brake Pads VIN: 3G7DA03E53 We work on a fleet of 2003 and 2004 Pontiac Azteks that have extreme front brake pad wear. There is some variation between vehicles, but the one posted on this e-mail is typical of the higher mileage units. These vehicles are lightly loaded and run mostly city... |
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| 1996 Saturn SL2 1.9L Service light VIN: 1G8ZK5277T Tested according to alldata and could not find a problem. Code 1650 and 1651. Codes for quad driver problem. I have tested the QDM's and it is in the Check engine light circuit. Does anyone know where to go next? |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1990 Cadillac DeVille 4.5L DATA Displays VIN: 1G6CD5330L The ALTERNATOR is FIXED but the HEATER/AC IS NOT. The ALTERNATOR problem was related to the heater problem. Most of the replies suggested checking all powers and grounds to the BCM and the ALTERNATOR. I found there was no power to the 'F' terminal at the alter... |
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| 2000 Chevrolet Blazer LS 4.3L transfer case VIN: 1GNDT13W2Y Thanks for all the help. I checked the tire sizes and had 235/75R15 on the fronts and 235/70R15 on the rear. installed four new tires and that solved it, again thank you. |
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| 2000 Chevrolet Blazer LS 4.3L Unknown VIN: 1GKDT13W6Y I didn't know that I could update only once(newbie)so I will give an update/summary. The customer showed up at 4:45 p.m very stressed out because her truck had been acting up all day(finally).We had previously put 200 km. on it without incident so we gave it b... |
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| 1999 GMC K3500 Sierra SLT 5.7L front axle VIN: 1GTHK33R9X Well,no fix this time. The tk is being used with the timer logic relay module unplugged. No problems reported, so this could rule out mechanical problems with the front axle. The indicator lights up when he experiences problem so it seems that the actuator is ... |
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| 1990 Oldsmobile Cutlass Ciera 3.3L Surge VIN: 1G3AJ54N0L New injectors was the fix, after perform a amp probe test, found four of the six was bad, replaced , integrator and block learn back to normal after close loop. Had another one in after and notice the evp purge solenoid always purge also in park and idle, but ... |
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| 1991 Oldsmobile Cutlass Ciera SL 3.3L Poor Idle Quality VIN: 1G3AM54N1M I recieved 11 replies for my help request. Most of them said I had a vacuum leak. I went through all my tests and checks again and came up with the same results. It sure acted like a vacuum leak. It turned out to be the ECM, I replaced it on Tuesday and the id... |
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| 1992 Oldsmobile Cutlass Supreme 3.4L Excessive Emissions, Poor Idle Quality, Surge VIN: 1G3WR11X5N Well thanks everyone... i had another car for parts that i know passed the e-test not long ago so after pulling the EGR off and the car runnning no different than wit it on i decided to completely clean the upper intake off the other car and switch it...and gu... Trouble codes: 33 (EGR Valve Malfunction). |
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| 1994 Pontiac Grand Prix SE 3.1L interior lighting VIN: 1G2WJ12M4R Had 3 good responces but robert had the test included below it did take new headlamp switch assembly Thanks Again Duane S. [...] HOPE THIS WILL BE OF SOME HELP.IF THE DOOR AJAR CHIME MODULE IS SOUNDING WITH THE DOOR OPEN THE HEADLAMP SWITCH SHOULD BE RECIEVING ... |
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