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Professional Automotive Repair Technical Discussions for July 28, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1982 Chevrolet G20 Sportvan 5.7L Excessive Emissions, Hesitation VIN: 1GCEG25H5C i have not seen a carburated vehicle in years and i grew up in the trade in an age of fuel injection. this pig looks like some hack put a motor in it there are vac lines strewn everywhere but are all connected. carb looks new and so does secondary choke pull o... |
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| 1984 Chevrolet Corvette 5.7L MIL Lamp on, High idle VIN: 1G1AY078XE Hello all. I need some ideas for this car please. I disconnected the battery to replace a freeze plug and the starter now it idles at up to 1800RPM, the engine ran fine before. The MIL is on, I tried to get the codes but there is no response with my scanner. T... |
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| 1994 Chevrolet S10 4.3L No Start VIN: 1GCCS14Z9R Can someone please tell me where the fuel pump relay is on this truck. Has intermittent long crank and a code 54 in storage. I have searched the archives, and found several references to fuel pump relay. I cannot find it! I have used Alldata and mitchell, they... |
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| 1997 Chevrolet C1500 Silverado 5.7L Low High side Pressure VIN: 1GCEK14RXV The mystery with this one is the outlet temp. is not cold (68F)at 80F ambient. Low side pressures seem to be good cycling back and fourth, but the high side toggles from 80-110 psi which seems low. Inlet to the evaporator is cold(55F) outlet is considerably wa... |
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| 2001 Chevrolet Cavalier 2.2L Stall VIN: 1G1JC52471 I may be chasing my tail with this one, if I recall it is probably an ignition switch however the problem is too intermittent to find. It will occur once and not again for some time. The car will occasionally stall when placed into gear, then restart immediate... Trouble codes: P0171, P0300 |
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| 2002 Chevrolet Express 1500 5.0L blower motor air flow VIN: 1GBFG15M92 with hvac set on max a/c and also vent, after a minute or two of highway driving we loose air flow from vents. air temp stay's cold, just decreased air flow. at this time the engine vac drops to around 4 to 2 in. this will happen after about 30-45 seconds of o... |
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| 2002 Chevrolet Express 1500 4.3L fuse blowing VIN: 1N4AL21E67 hi i have this van that keeps blowing the blower fan fuse it melted the fuse box so i replace the fuse box and blower motor resistor it work fine for a while then the fuse will blow i check for shorts and could not find any anyone have any ideas or have seen t... |
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| 2004 Chevrolet Tahoe LT 5.3L Vses, Abs,Ebcm VIN: 1GNEK13Z04 This vehical exibits an intermitant "vehical stability control" message on the dash, we have not been able to duplicate this concern. Have history codes C0186 and C0455 in the ABS and VSES modules. Tested wiring and connections at YAW RATE/LATERAL ACCELEROMETE... |
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| 2006 Chevrolet Express 3500 6.0L No Start VIN: 1GBHG31U46 Vehicle came in on flat bed. Battery was dead and customer stated they tried to jump start and had no success. We put a jump box on the battery and it would turn over but no fuel pressure. Tested the fuel pump and had no power to the pump. Checked power at the... |
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| 1997 GMC K1500 Sierra SL 5.7L no second gear VIN: 2GTEK19ROV Truck came in not shifting into second gear (not even maually). No work has been done on the trans. The 1/2 Sol. shuts off but no shift (it also bench checked good, clean ohmed out ok). All the valves are moving freely and none of them have up and down play in... |
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| 1998 Pontiac Grand Prix GTP 3.8L Drive Range VIN: 1G2WP5212W Long story short, I had removed my working 4t65EHD from my 1998 GTP. It never made it back in my car, but while it was out I had replaced the differential and installed a transgo kit. I sold the trans and the guy installed it and said it won't engage unless it... |
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| 2003 Pontiac Grand Prix GT 3.8L Misfire VIN: 1G2WP52K83 Car came into shop with misfire code P0300 SES lit on, no other codes. Scanned it out and cylinder #6 had the biggest history of misfires 5047, the rest of the cylinders had low numbers 6 thru 55. Covered ignition system new AC plugs-swapped wires between cyli... Trouble codes: P0300 (Random Misfire) |
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| 2004 Pontiac Sunfire SE 2.2L Service light on VIN: 1G2JB12F74 Hi Folks After repairing engine codes and an ABS code the service (wrench) light is on. It was on before, also. There are no codes now but I cannot figure out how to turn it off. The owners manual says to take it to a GM dealer. In Shop Key, it mentions resett... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Cadillac CTS 3.6L Misfire, MIL Lamp on VIN: 1G6DP56745 Well this could have been a whole lot more expensive than it was. Customer calls and says he has a friend who used to work at the local Caddy dealer. Friend says that the oil ports that run to the cam phaser get clogged. I poured two cans of seafoam in the ... Trouble codes: P1011 (Intake Cam Actuator park Position Bank 1), P1013 (Intake Cam Actuator Park Position Bank 2), P0300 (Misfire Detected), P0301 (1 Cyl Misfire), P0303 (3 Cyl Misfire), P0305 (5 Cyl Misfire). |
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| 2002 Chevrolet Corvette Z06 5.7L System control VIN: 1G1YY12S52 This car miraculously fixed itself. The one reply says the HVAC control module could be a problem, and his suggestion was to remove it and throw it across the shop. I like the idea, but did no further diagnosis once it began working properly. I think it was... |
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| 1994 Pontiac Bonneville SE 3.8L Cuts out VIN: 1G2HX52L7R Hi and thanks for all the replies, we went after the ground under the coils and have not heard back from the customer in a week. So it mat have worked even though this ground looked OK. Thanks again George |
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| 2000 Pontiac Grand Am SE 2.4L MIL Lamp on VIN: 1G2NG52T3Y unable to get this car back to spend anymore time. I haven't given up yet, but I'll have to wait until her next oil change. Shes given up, even if I haven't... I thinking something is causong this car to leak intermitaly... Trouble codes: P0442. |
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