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Professional Automotive Repair Technical Discussions for November 25, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Buick Park Avenue 3.8L Hesitation, Cuts out VIN: 1G4CW52K3V The main thing is when you go to accelerate it bogs down and the Long term stays at 10 to 16 the ox goes down to lean when you let up it goes into the next gear. lightly it runs fine. The customer says that it does it more when it rains??? I can make the bog g... |
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| 1998 Cadillac Seville STS 4.6L heater VIN: 1G6KY5497W So when you drive the car the heater will work for a little bit, but only when your driving, after about ten mins of driving the heater goes cold and stays cold.?? any help would be great.. coolant is topped off? |
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| 2002 Cadillac Seville STS 4.6L Electronic VIN: 1G6KY54992 the car is need of brakes the pads have wear sensors I can get pads with out the sensors but how do you get the message in the dash to stay off saying change brake pads Or do they need to spend the big bucks on this also this car has 80000 miles and uses a qt ... |
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| 1999 Chevrolet Tracker 2.0L Unknown VIN: 2CNBJ13CXX i have a problem with a 1999 tracker. the 4wd will disenguage when driveing on dry pavement. and there is also a violent clunk or bang when this happens. it will also have this symptom in the gravel, but not as severe. the customer originally commplained of a ... |
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| 1999 Chevrolet Corvette 5.7L Hesitation, Stall, Misfire VIN: 1G1YY22G1Y hello every one this is what i got. i have a vette that is missfiring on all cylinders .# 4 the worst .we replaced the coil and crank sensor and tried a mass air flow and no differance .it sometimes stalls in reverse and it did have a low idle. i cleaned the t... Trouble codes: P0354 (ignition coil 4 pimary circuit d), P0300 (random missfire multiple cylinders) |
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| 2000 Chevrolet S10 4.3L starting VIN: 1GCCT19W1Y Vehicle runs fine once started and has no MIL lamps on or codes stored. When cold the vehicle cranks for an extended period before firing. Fuel pressure drops to zero rapidly once the vehicle is shut off. Shouldn't this system hold pressure? |
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| 2001 Chevrolet S10 2.2L 2.2 Eingine VIN: 1GCCS14S10 I have a chevy S10 pickup with a bad motor I took from a customer. I was just wondering if it is posable to swap the 2.2 litre engine from a cavilier to a chevy S10 pickup? I see that I would have to change the intake and exhaust but would the flywheel and eve... |
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| 1998 GMC K1500 Sierra SL 5.7L No Start VIN: 1GTEK19R6W this truck has to several shops before me with no DTCs available ,many unneeded parts replaced by them like ign.module,ign.coil,fuel pump, etc... costomer complaint is that sometimes this vehicle will not start sometimes for a minute and sometimes for a whole ... |
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| 2002 GMC Sierra 1500 SL 5.3L Misfire VIN: 2GTEK19T22 I am new to iatn so if I don't follow proper protocal please let me no.I work in a shop that deals with primarily Fords,but I am currently dealing with a 2002 Gmc sierra 1/2 ton pick up with a 5.3L vin# [...] engine light began to flash and the... Trouble codes: P0300 |
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| 2008 GMC sierra 5.3L bleeding VIN: 3GTEK13J88 Replace dboth front hoses during suspension install and cannot get air fron system.Is there aneed for scanner on this truck to bleed. We have gravity bled, pressure bled and vacuumed thes front brakes with no success. Thanks,Garry |
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| 1996 Pontiac Grand Am GT 2.4L scannor power VIN: 1G2NW12T4T Car Will Crank Over But No Start I can hear Fuel Pump Run, I hook up my snap on scanner Mt2500 No Communication No Power In orange wire Going to Diagnostic Connector, Checked all fuses ,all good. Not sure What to try next since scanner wont work, customer is c... |
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| 2000 Pontiac Grand Am SE 2.4L MIL Lamp on VIN: 1G2NE52T0Y Hi guys. This car keeps getting an EVAP LEAK code popping up. I've smoke tested the system, and i have'nt been able to spot the leak. I've replaced the gas cap, and the code continues to come back. People have told me to check on top of the gas tank, to look... |
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| 2005 Pontiac Montana SV6 3.5L awd system VIN: 1GMDX33145 OK Pontiac Honchos,Just sold this off the lot. Customer complaint- not sure the AWD system is working as intended. Upon starting of vehicle "all wheel drive disabled" message is briefly displayed in the dash then goes out(is this normal?). Scanned ABS for code... |
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| 1993 Saturn SL1 1.9L Surge, Stall, STARTS AND DIES VIN: 1G8ZG5595P THIS SATURN IS KILLING ME. Customer drove in (barely) complaint of hard to keep running/wont idle cold. After it runs for a while and gets to operating temp runs good and idles good too. Suspected coolant temp sensor, tested bad, replaced but no change. All ot... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1992 Buick Century Custom 3.3L Stall VIN: 3G4AH54N1N Thanks to all, we had ruled out the injectors & Crank sensor because we could monitor both while vehicle acted up and didn't see any problems. The only item we couldn't be certain of was the ECM. Took a WAG, replaced the ECM and down the road the car went! So ... |
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| 1993 Chevrolet K1500 Cheyenne 4.3L intake manifold VIN: 1GCEK14Z1P I put the gaskets in and left the next day on a 3000 mile road trip. The temperature has never been as stabil while driving. It used to rise 5 or 10 degrees when pulling hard and now with the back coolant port blocked it stays at a constant 190. |
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| 1996 Chevrolet C1500 Suburban 5.7L battery VIN: 1GNFK16R6T Hey guys rick on the suburan customer had to pick up vehicle. all the replies were good ones but had already been down them roads. to one replie my meter does measure 1 thousands of an amp and you can read voltage you just hook you meter through the shunt just... |
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| 1998 Chevrolet C3500 Cheyenne 7.4L p/s steering pump VIN: 1GBKC34J9W Thanks to all who responded. We had to replace the hydro-boost unit again. This was the third time and all have been gm supplied parts (go figure). I have a feeling that it maybe back later but for right now, I know I feel better. |
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| 2005 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GNDT13S05 Removed the actuator solenoid and found one of the screens had fallen apart. The plastic strap that holds the screen together fell out upon removal. I replaced the actuator solenoid, changed the oil/filter and road tested the vehicle. Everything seems to be wo... Trouble codes: P0017 (Crankshaftposition-exhaust camshaft position correlation bank 1), P0014 (Exhaust camshaft position system performance). |
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| 2001 GMC Sierra 2500 HD SL 6.6L Misfire, MIL Lamp on VIN: 1GCHK23161 Thanks to all for the assist. This issue turned out to be the jumper wiring harness for injectors 1/3 on the right front corner, which had a poor crimp at one of the ring terminals for the injector. When the harness was manipulated by hand, the issue came an... Trouble codes: P0202 (Cylinder contribution 2), P0203 (as above 3), P0205 (as above 5), P0208 (as above 8), P1262 (v1800-), V1800 (testing and results). |
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| 2002 GMC Envoy SLE 4.2L heating VIN: 1GKDT13SX2 Thanks for all the replies, it was the mode door actuator area that had failed, we found that the cam plate had broken out in the center. when the actuator would try to adjust the mode door it would only move it partially. the actuator come with the cam plate ... |
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| 2004 Other GM P42 6.5L 4-3 downshift VIN: 5B4KP42Y54 We did not fix this vehicle but we are continuing to work with customer to find a solution. All the inputs from the pedal position sensor and map sensor were verified. We have been in touch with a local workhorse dealer and they are going to verify that the ... |
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| 1997 Pontiac Bonneville SE 3.8L heater VIN: 1G2HX52K3V ok sorry about the wait, been out of town. thanks to all who replied, the fix was to replace the blend door motor,(what a pita) but it is fixed, thanks to everybody at IATN. |
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