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Professional Automotive Repair Technical Discussions for July 28, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Cadillac Eldorado ESC 4.6L No Start VIN: 1G6EL12Y7W Here we go again.Northstar Eldorado towed in.Found NO fuel psi.Spark+injector pulse ok.So I frist checked fuses.Get to the fuel pump fuse no power .Checked pump relay and its doing its 3 sec prime but not sending 12 to pump.Went ahead and checked for power at ... |
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| 1992 Chevrolet S10 2.8L Oil pressure, seat belt light, and radio VIN: 1GCCS14R6N Hey everybody got a funny one put exhaust on this truck and when customer left Radio start popping, check engine light was going on and off, oil pressure would drop real low and seat belt light and buzzer were going off, clears up and happens every few minutes... |
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| 1995 Chevrolet Blazer 4.3L no spark VIN: 1GNCT18W9S this blazer has no spark. the dist., dist. cap and rotor, coil, module, crank sensor,cam sensor, and ecm has been changed. the ignition switch tests good. if you put voltage to the "B" terminal of the module like the test says with the key on, you get spark. t... |
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| 1998 Chevrolet C1500 Cheyenne 5.7L No Start VIN: 2GCEC19R5W This truck came in as a no start after hot soak. We scanned it no codes. Ran truck for an hour let it set for an hour and it would not start. Tested fuel pressure it is 65 psi while cranking. Had good spark while cranking but no injection pulse. Had ignition v... |
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| 2000 Chevrolet Tahoe LT 5.3L 2nd gear slip VIN: 1GNEK13T5Y My customer came with a check engine light on. I pulled codes and found po751. Went to alldata and it said it was possibly a shift solenoid bad. I replaced all the solenoids on valve body and filter and fluid also. Cleared codes and let her have it. It came ba... |
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| 2001 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on, low power under load VIN: 1GCHK29191 truck appears to be somewhat down on power all the time but with even very light load (one dirt bike in bed)it will turn on mil and go into limp in mode and set po93. can also induce po 93 intermittantly unloaded with very hard acceleration. freeze frame data ... Trouble codes: P0093 |
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| 2001 Chevrolet Cavalier 2.2L cooling fan VIN: 1GIJC52441 JUSTO GOT THIS ONE WITH OVERHEATING PROBLEM. FOUND BAD COLANT TANK AND CAP SO REPLACED TO TEST THE REST OF THE SYSTEM, AFTER WARMING IT UP, THE FAN NOT KICKING IN. cHECK FAN FUSE, 30AMP, FUSE OK. SWAP OUT RELAYS WITH THE ONE FOR BLOWER MOTOR-SAME RELAY. bLOWER... |
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| 1995 Oldsmobile Aurora 4.0L Surge, Stall VIN: 1G3GR62CO5 Hey all! Car came in for stalling. Plugs/wires were bad - replaced. Car will stall if I take my foot off the gas pedal too fast, and will also stall at idle (in drive - after a couple of minutes in the same spot) 50% of the time. All codes listed here were in ... Trouble codes: 22 (TPS Circuit Open), 30 (Idle Speed Control Actuator Slow or Inop), 56 (Turbine Shaft Speed Sensor Circuit), 70 (Intermittent TPS Signal), 73 (Intermittent Engine Coolant Temp Sensor), 95 (Engine Stall Detected) |
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| 1998 Oldsmobile Intrigue 3.8L security lite VIN: 1G3WH52K6W I replaced the water pump on this olds,now it will not run. It did before I put the pump on. It has a code p1626 (theft deterrent start enable signal lost)I have checked all power and grounds on pcm and bcm all ok. Check pass lock resistor,check all fuses ok. ... |
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| 2000 Oldsmobile Bravada 4.3L Cuts out VIN: 1GHDT13WXY hello guys, this car is my son's. on a 40 min. trip it will start to lose power on acceleration start to pop and then die. it will crank and not start. has fuel pressure. if you let it sit for several hours and return , it will start right up. it just had a n... |
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| 1995 Pontiac Trans Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 1G34G5778U so far p0101 came back as maf sensor low there is 5.54 reference volts to sensors ,starts fine but does studer then stall starts right back up, asking if anyone has had this on the 3.8 any help thanked ahead of time. Trouble codes: P0101, P0406 |
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| 1998 Pontiac Firebird 5.7L Cuts out, Stall After start up, car will run good with no misfires for about 5 - 10 seconds and then just shut off. Feels like the ignition was just turned off. As stated, no theft system problem is detected, car has good fuel pressure and the crank sensor was changed because... |
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| 2000 Pontiac Grand Prix GT 3.8L Blower Motor VIN: 1G2WP52K8Y Heater/Air Cond. fan (blower) motor will run, than if you turn the speed down i.e. from high to low or med it will stop, also if its running heat or a/c mode, dosnt matter have it running on high speed turn the ignition off and than on again fan will not resta... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Astro 4.3L alternator VIN: 1GNDM19X33 Thanks for all the replies turns out the red main cable i tested had 12 volts with the vehicle not running but i finally tested it with vehicle running and it dropped to 4 volts i jumpered it with 12 volts and started charging thanks for all the help |
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| 1995 GMC K3500 Sierra SL 6.5L Stall VIN: 1GTHK39F0S well I said before the problem was fixed with the air filter replacement. The issue with the history codes not reseting is still not resolved. The owner has decided that until it has a performance issue we will waitto do anything. Thanks again for all the resp... Trouble codes: 62 (low boost pressure current code), 58 (TFT sensor circuit low history code), 73 (pressure control solenoid circuitcurrent error history code), 74 (trans input speed sensor circuit history code), 85 (undefined ratio error history code), 86 (low ratio error history code). |
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| 2000 GMC Sonoma SL 2.2L MIL Lamp on VIN: 1GTCS1959Y Thanks for the suggestions. This truck has not returned for me to follow up on the problem, so as of right now I guess I will just have to wait and see. I received suggestions about finding one online and someone else said that they cleaned their own, but neit... Trouble codes: P1078, P0179 (Fuel Composition Sensor High Voltage). |
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| 2000 Pontiac Grand Prix GT 3.8L No Start VIN: 1G2WP12K8Y The device at the steering column had a broken wire at the connector.. I had to relearn the key with 3 ten minute cycles before it worked.. Thanks,, I was looking for a 'thieft' light on the display.. Never mind the big red one on the dash, I was definitel... Trouble codes: P0131 (O2 Low bank 1), P0171 (lean bank 1), P0300 (misfire occured), P1106 (MAP intermitent high), P1326 (Theift fuel signal lost), P1811 (fuel trims at maximum adapts). |
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| 2001 Pontiac Aztek 3.4L windshield wipers VIN: 3G7DA03E61 Customer finally gave me some time to sort this out, so I disconnected the linkage from motor and motor works through all speeds. The wiper linkage pivots were tight, especially left side. Replaced with new linkage. Feel foolish for opening a request, but give... |
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