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Professional Automotive Repair Technical Discussions for May 9, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Park Avenue 3.8L no start no brake lights VIN: 1G4CW53LXM the car was brought in on tow truck with no start. turn thw key on no fuel pump activity. turn it to start and there is nothing. the engine doesnt turn over either. I have checked to see if the start was stuck or bad. I turned the key on and jumped the starter... |
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| 1994 Cadillac Seville STS 4.6L Cooling system. VIN: 1G6KY5293R Engine temp increases steadily with run time. Will overheat eventually driving , or at idle. Has not been driven to the point of puking coolant & overheating to boil over. When fans are running, radiator is cold, as if coolant is not circulating , or as if veh... |
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| 1999 Chevrolet Astro 4.3L No Start VIN: 1GCDM19W5X This vehicle came in no start, no fuel pump running, and fuel gauge out of wack. I was in a hurry and have replaced so many of these pumps that I ordered one and put it in. Imagine my surprise when it still didn't run the pump after repair. Will we ever learn ... |
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| 2003 Chevrolet Trailblazer North Face 4.2L SRS system VIN: 1GNDT13S03 Vehicle came to us from a body shop we deal with. Air bag lamp was on Scanned air bag system and got no communications. Checked power and grounds to unit found underhood ground disconnected. Repaired no help. Installed new module and get code B1001. Was told b... |
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| 1992 GMC Safari SLE 4.3L unknown VIN: 1GKEL19W5N Van cranks takes about 10-15 bumps on the ign to catch and start(not starter).Tested and have good spark and fuel, but I hooked the computer up to it was not recieving tach/rpm however still had spark. im not sure what else we can test or replace. We looked fo... |
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| 1994 GMC K3500 Sierra SL 6.5L Mechanical VIN: 1GTHK34F9R last repair was made in 12/31/03 at 138720 miles.OE flywheel was used with updates. All appears normal with dowel pins for bell housing,torque converter appears to be fine. What is happening to flywheel is cracking around crankshaft bolts.Back in shop today br... |
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| 1995 GMC Jimmy 4.3L Cuts out VIN: 1GKDT13W75 HELLO ALL! Yet another good one. Have only seen a few posts on this problem, non conclusive. Customer brought the truck in with the complaint that it dies repeatedly when it is up to normal operating temperature. And somehow the customer figured out that the f... |
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| 1996 Pontiac Grand Am GT 3.1L anti-theft VIN: 1G2NW52M3T thanks for checking this one out! the complaint is intermittantly the car will start and stall with an anti thft light flashing. it was in several times with a code po1629. we replaced the ignition lock cylinder and key (factory parts). it acted back up a coup... |
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| 1996 Pontiac Grand Am SE 2.4L Hesitation I'm starting a new job and inheriting this problem. All the parts listed above were replaced before I worked on vehicle. Car idles good. If you clear the 2 codes they will not return regardless how long you idle or brake torque. Only on acceleration from a sto... Trouble codes: P0335, P0341 |
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| 2000 Pontiac Grand Prix GT 3.8L Poor Idle Quality VIN: 1G2WP52K3Y Customer states, rpm go up to 4000, car starts to over heat. cannot get it to repeat problem in shop, only happens once a week. anything to go on? no codes, throttle cable looks fine, cooling system seems fine, |
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| 2002 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J52 Customer complaining of an intermittent no start(once a month). The customer states is seems to happen while at the gas station,cranks but no start. if left for several hours it will start and run fine for another month. It happened briefly for us,felt like re... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Buick Park Avenue Ultra 3.8L Poor Idle Quality, Hesitation, Misfire VIN: 1G4CU5213R thank you to all for your help, we replaced 1 ignition coil, contacted the customer, the problem never seemed to reproduce itself, everything is fine!! |
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| 1994 Cadillac Seville SLS 4.6L Poor Idle Quality, Cuts out VIN: 1G6KS52Y1R I want to thank everyone who replied. I guess is should have put more emphasis on the code 73 because the stalling stoped after I pulled the pcm and check the connectors. The code 73 EBTCM kept coming back when first started in the am. I was able to catch the ... Trouble codes: TCS73 (PCM-EBTCM/EBCM PWM Signal Fault 4.6L Engine). |
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| 1987 Chevrolet V10 Scottsdale 5.7L No Start, Stall, MIL Lamp on VIN: 1GTEV14K4H This vehicle is now out of my hands. I did not get a chance to try any of the tips you folks sent to me. I got several tips about dropping the exhaust because of the low idle man vac. This was not an issue because if the vehicle would stay running I could rev ... |
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| 1993 Chevrolet C3500 Cheyenne 6.5L MIL Lamp on, VIN: 1GDJC34F9P D8 was the correct location. A few said A15 which was incorrect. I also identified the TCM as an ECM. The tcm uses the TPS to shift the trans. Had a bad TPS. Module also can go into default and substitute 35% throttle angle if it loses the signal from the TPS.... |
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| 1998 Chevrolet Astro 4.3L Misfire VIN: 1GCDM19W6Y After reading everybody resposes, i decided to put dealer parts on clean the ports, Sent customer away, will have to wait 10,000 km to see if that was the fix. Thanks for all your replys, they where a big help. Chad [...] Trouble codes: 300 (missfire). |
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| 1999 Chevrolet Astro 4.3L no start VIN: 1GCDM19WXW i searched the data base and coudnt find what i needed . but when i asked for help i receved it thanks for all the help . |
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| 2001 Chevrolet Tahoe 5.3L abs VIN: 1GNEC13T71 Thanks for all the help on this one. The PCM was not getting the 125Hz on the request line also the duty cycle on the same line. Come to find out the Dealer sent the wrong part (W/out) traction control. Some how even with the Vin It showed up wrong. Got the ne... |
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| 1992 GMC K3500 Sierra 7.4L No Start VIN: 1GDJK34N5N I found two ground wires that were bad and they were shorting out the coil and module. Thank you for all the support and help. You people are great! |
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| 2000 Pontiac Grand Prix GT 3.8L abs light VIN: 1G2WP12K6Y I received 6 replies, all responses said to replace bearings with oe bearings. We went ahead & replaced the bearings & resolved the problem. Thanks for your time & responses. |
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