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Professional Automotive Repair Technical Discussions for February 15, 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 VIN: 1G4CW53LXM Towed in, cust. said it would start and then cut off. Car cranks fine. No spark, no fuel pressure and no pulse for the injectors. There is no voltage at the pink/black wire at the ignition module. Applied voltage to module and still won't start. PCM numbers ju... |
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| 1993 Chevrolet K1500 Cheyenne 5.7L 1-2 shift VIN: 1GCEK14K6P truck came in with bad fluid leak in pump area .Removed trans pulled the pump replaced seals and gaskets didn't disassemble pump.reinstalled pump checked end play and reinstalled trans it skips 2nd gear everything else seems to be working fine.I don't see what... |
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| 1994 Chevrolet C1500 Cheyenne 5.7L Hesitation VIN: 2GCEC19K6R just want to know fuel pressure specs on volume for this. pressure ok. would like explanation of good way to ck and specs for most vehicles. koeo f/p 6 oz in 15 seconds is what this had |
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| 1999 Chevrolet Blazer 4.3L Charging VIN: 1GNDT13W3X Hello all, This Blazer belongs to a regular customer of ours. He recently purchased it used. The problem he has is while idling or while driving down the road, the voltage surges. He says that the lights will dim and then brighten, the gauges will drop (inclu... |
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| 2000 Chevrolet Silverado 1500 4.3L No Start, Stall VIN: 2GCEC19W9Y hello everybody, got this silverado that customer states after warming up for ten minutes in morning truck dies and wont restart for 25min.also died while driving and wouldn't start for 25min. first time he came in was about 5-6 months ago. pulled code p0339 f... Trouble codes: P0339 |
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| 2000 Chevrolet S10 2.2L Cuts out VIN: 1GCCS1445Y this is my driver,owned it about 1 year,it used to backfire while cranking and lightly flood(very intermittently)no codes were set,i replaced the "splitfires"with new plat. tip plugs and borg warner wires about 1 month ago,hasent backfired yet,the problem is i... |
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| 1994 Oldsmobile Achieva S 2.3L engine VIN: 1G3NL5530R Hi Guys! This one came from another shop. Its an interesting problem. The vehicle had came into their shop with an overheating problem. They had replaced the thermostat, then the water pump, and finally the coolant sensor. Still the overheating persisted. So,... |
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| 1995 Pontiac Bonneville SE 3.8L traction control VIN: 1G2HX52K05 Hello everyone, I'm not tooo familiar with these systems so any help would be much appreciated. This happens only once per ignition cycle, When driving down the road anti lock brakes may or may not pulse during your first brake then the traction disable light ... |
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| 1995 Pontiac Grand Am SE 3.1L trans noise VIN: 1G2NE55M2S hello transmission repair people. am looking at this vehicle for noise from transmission area. gets grinding noise that is not there until it warms up. seems to be from tcc plug in area. fluid level is on add line but fluid condition is brown/black & smells bu... |
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| 1998 Pontiac Grand Prix SE 3.8L 3-2 downshift VIN: 1G2WJ52K9W When driving this vehicle you can't tell that there is any problem except on the 3-2 downshift. The only time the car will act up is from a steady speed of at least 40. When you brake down to a speed to 20-25mph then immediately request a downshift to 2nd gear... |
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| 1999 Pontiac Sunfire SE 2.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2JB52T3X good afternoon trouble shooters! I've another problem child here. 1999 pontiac sunfire failed CT. emissions test. this vehicle was bvought at auction so i only have recent history to relate. customer to vehicle to pontiac dealer, they replace ignition module a... Trouble codes: 0300 (random cylinder misfire) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Buick Riviera 3.8L Low Pedal VIN: 1G4GD22K7S I would like to thank everyone who replied. almost everyone said I had a bad caliper, which was the case. John from Indiana asked if air was right at bleeder or further up line. The air was right at bleeder screw which led me to believe everyone that said bad ... |
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| 1998 Buick Regal 25th Anniversary Edition 3.8L Left front turn signal VIN: 2G4WF5212W Thanks IATN. The fix for this Buick was the signal/Hazard switch. I drove the car for 3 days before it acted up. Most replies suggested switch problems are common. Second most common problem is in the front lamp sockets or wiring. I had tried swapping the fron... |
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| 1969 Cadillac deville 4.6L Cooling Systems VIN: 1GCEL12Y4T thanks for all the help guys!!! and thanks for not tearing me up too bad on the year typo. we finally got a repeatable failure on hydrocarbon test. issue ended up being head bolt/thread failure. we dont see enough of these vehicles to justify buying setup to p... |
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| 1987 Cadillac Brougham 5.0L AC and Heat VIN: 1G6DWS1Y4H Thanks for all the great responses. I am very impressed with the power of the IATN techs. Thanks to both davids, [florida and califonia] and rodney from texas advising to check the blend door for movement of arms. No offence to mike from alberta asking me to s... |
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| 1997 Cadillac DeVille 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G6KD54Y1V Sorry I took so long to close this post. I was waiting on the customer to make his mind up abot trading the car in, which he decided to do. All the posts I got were for things already checked. (plugs, plug wires, crank/cam sensors, MAF sensor) One post said th... |
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| 1990 Chevrolet Lumina Euro 3.1L Poor Idle Quality, Stall VIN: 2G1WN54T8L thank you everyone. As sugessted, i warmed vehicle up to ck individual injector resistance hot. I found 2 at 6.5ohms, and one at 9.6ohms. All others were about 12.6. Customer opted to only replace 3 injectors. After replacement intergrator was reading properly... |
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| 1994 Chevrolet S10 Blazer Tahoe 4.3L No Start VIN: 1GNDT13W6R Hey all , Most people said to check iat sensor readings when cold. The weather shifted to warm and it's been a few weeks and it's starting good now. I gave the vehicle back to the customer and we'll try again when it gets cold enough. Thanks for all the input. |
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| 1998 Chevrolet K2500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 1GCGK24R2W Well this one is fixed. It needed a fuel pump and 3 injectors. I was off base going into the previous shops repairs of the lower intake plus was sidetracked by the miss on only #3 & #4 so skipped a very basic test of fuel pressure. Pressure tested at 46-49 psi... |
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| 1999 Chevrolet Venture LS 3.4L abs module VIN: 1GNDUO3E5X I received two responses but unfortunately they did not fix my problem. This is going to be one of those that you work on when I have some free time. I would like to thank the two guys that responded, your help was grately appreciated. |
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| 2001 Oldsmobile Alero GL 3.4L Radio VIN: 1G3NF52EO1 We have fixed the radio in this car. Thank you, thank you iATN members. Kevin from PA, [...] from Iowa (Go Steve Alford!), and Bill from Ontario slammed dunked this one! It was i... |
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| 1993 Pontiac Bonneville SSEi 3.8L c68 electronic HVAC VIN: 1G2HY5219P Thanks for the replies that we recieved on this one,I am afraid to say that this car fixed itself so we don't know what really ws the cause. My friend started to disconnect all of the related components on the same power feed as the programmer well low and beh... |
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| 1998 Pontiac Sunfire GT 2.4L Poor Fuel Economy, cooling fan VIN: 1G2JD12T7W Hi guys! Sorry its taken so long to get back about this vehicle. The lady hasn't brought it back as yet due to her job. Most of everyone that replied mainly stated to check the thermostat operation and coolant sensor. I have bought both just in case either... |
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