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Professional Automotive Repair Technical Discussions for April 16, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1987 Buick Century Custom 2.5L cooling fan VIN: 1G4AH51ROH Greetings fellow Techs,.. I'll try to remember to list everything here, because I swear we've checked everything. Cooling fan does not come on when engine reaches temp. This system is pretty basic, there's the fan motor, fan relay, coolant temp sensor, ECM an... |
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| 1978 Cadillac Fleetwood 7.0L programmer Hi, guys. I am in need of some advice on diagnosing the hvac on this car. The problem is I do not have any service info on the climate control for this car. An older gentleman owns this car and only drives it in the summer. He has no temperature control and on... |
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| 1982 Chevrolet Corvette 5.7L hood VIN: 1G1AY8781C Changed oil on this vehicle, replaced headlamp actuator on passenger side. Hood will not un latch on passenger side. was able to hook cable from drivers side, but feels like cable is disconnected or broken. Any ideas would be appreciated . Hoping someone in th... |
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| 1992 Chevrolet C2500 Cheyenne 5.7L fuel gauge VIN: 1GCGC24KIN This truck came in with gas gauge not working, installed new sender in gas tank, but now gauge works good untill you come to a stop. The gauge pegs to empty and then slowly goes to normal. Have check complete circuit, all grounds ok, we even installed another ... |
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| 2000 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T1Y I have a chevy truck with check engine light on,code P0102 MAF low frequency.Replaced MAF meter couple of months ago for same problem.Customer said light came back on in a couple of days.He said he did not notice any driveability problems.Looked at freeze fram... Trouble codes: P0102 (maf low frequency) |
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| 2000 Chevrolet Venture 3.4L SRS system VIN: 1GNDUO3E5Y We have a 2000 Chev. Venture mini van. The Supplimantal restraint system show a lamp on and the code B0065, "drivers pretensioner deploy loop open", is present. My problem is that books just do not cover this vehicle and we have no idea what this pretensioner ... |
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| 2000 Chevrolet Prizm 1.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1Y1SK5285Y hello guys, i need some insight on this one. i inherited this car from another shop. the problem the car is having is a rough idle on cold start and smooths out after a few minutes. when it's cold, the car will not take any gas. if you ease into it, it will g... |
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| 2001 Chevrolet Cavalier Z24 2.4L Poor Idle Quality VIN: 1G1JF12T91 Car has high idle, about 200 rpm over normal. Ckd for vacuum leaks, none found. Tested TPS due to code in history, no problems found at this time. I cannot comand IAC down below 800 rpm with the Tech 2 but I can use a IAC tester and can control the IAC to any ... Trouble codes: P0122 |
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| 1995 Geo Prizm LSi 1.8L Hesitation, Cuts out VIN: 1Y1SK5285S This vehicle was at another repair shop several times before we received it. The problem occurs between initial cold start up and closed loop operation. Vehicle bucks/jerks quite violently on moderate acceleration. Feels very similar to the air intake hose bet... |
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| 1997 Oldsmobile Cutlass 3.1L hard start VIN: 1G3NB52M9V cranks, cranks, cranks starts, if you press accelerator starts easier, no codes, im reading mass air flow o.oo, installed new sensor same thing, wiring intact, 12 volts on pink, .002 voltage drop on black ground, and 4.4 volts on yellow signal wire, also 2.3 h... |
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| 1990 Pontiac Bonneville LE 3.8L MIL Lamp on VIN: 1G2HX54C9L Hi and thanks for checking this one out! This car came in with the check engine light on. Had codes 63,64 and 65 stored. We have cleared these codes and they at different times will return. Not all together. Light only comes on during decel which I now know is... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Cadillac Eldorado 4.9L Cooling Systems VIN: 1G6EL12B5P Apparently, I am the last one to learn about this pattern failure also. Scott [...], Darren... |
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| 1994 Cadillac Seville STS 4.6L Surge, Stall VIN: 1G6KY5299R tryed replacing idle control motor still had same problem, swapped computer out of another car, that was the fix, replaced the computer reset the idle and test drove ok Trouble codes: P0035. |
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| 1999 Chevrolet Blazer 4.3L 4wd VIN: 1GNDT13W5X Thanks for the help It was a bad cable that had coroded from battery acid replaced the front axle clutch cable and that fixed it timothy you were right on the money...Thanks |
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| 1995 GMC Jimmy SL 4.3L Hesitation, Surge, Stall, Misfire VIN: 1GKDT13W1S First off I must say thanks for all the replies. They did give us other directions to head. We found a rather large dent in the bottom of the fuel tank near the fuel pump under the plastic cover. We replaced the tank and pulse dampener. Filter was also replace... |
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| 2000 GMC Safari SL 4.3L No Start This problem was a combination of sticking poppets and weak ignition coil. I was suprised with coil because it would jump a 1/2 inch gap. Thanks Rick |
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| 1994 Oldsmobile 88 Royale LS 3.8L No Start, Stall VIN: 1G3HY52L5R I recieved 19 replies and the majority referred to the crank position sensor I was never able to duplicate the problem. After reviewing the replies the owner said to go ahead with a new sensor, We replaced it and she has driven the car for 2 weeks and never a ... |
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| 1997 Oldsmobile Achieva S 3.1L security system VIN: 1G3NL12M3V I'm going to call this one fixed. I decided not to bypass the system. As stated earlier, I replaced the lock cylinder with the new passlock key. After replacement the vehicle never failed to start. The reason that I wanted to bypass the system was because of t... |
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| 1994 Pontiac Firebird 5.7L Hesitation, Misfire found moist inside cap which will affect opti spark..new kit cap rotor and bolts cost at gm dealer apx.$300.00 or complete distributor $700.00 Trouble codes: 18 (ignition signal). |
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| 1996 Pontiac Sunfire SE 2.2L MIL Lamp on VIN: 3G2JB5247T Hello Guy's Thanks for all the reply. There was rust in between the CMP and the engine distancing the sensor from the gear causing a bad reading. I did clean the Rust away and the problem is now gone. Thank for your help Richard. Trouble codes: P0342 (cam shaft position sensor). |
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