Question about 1997 Pontiac Grand Am

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I HAVE A THROTTLE SENSOR PROBLEM, WHEN I TURN MY CAR ON IT ACT LIKE I HAVE MY FEET ON THE GAS, LIKE REEVING THE ENGINE IT RUNS REALLY HARD AS SOON I TURN IT ON WHEN I TURN THE CAR OFF IT STOPS THEN MY CHECK ENGINE LITE COMES ON

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You really need to have the engine's computer scanned to find the problem, other wise it's just a guessing game that gets very expensive fast. A friend with a scanner would help.

Posted on Mar 19, 2011

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2006 Ford Explorer. Wrench light (powertrain) and Check Engine light is on. The codes say Throttle Motor, Throttle Position Sensor and a couple other throttle problems. While engine (REALLY ROUGH) is...


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My 93' Dakota keeps dieing when I come to a stop. It does not do it every time ~ just now & then. The only way I can get it to start is to hold the gas pedal all the way down & turn the ke


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2005 neon hard brakes engine races


While your car is running.......pop the hood and find the throttle body. The throttle body is where your air filter tube/hose goes to the engine. Locate the throttle position sensor which should be on the side of the metal throttle body. This should be the item causing this. If you grab the plug that is on the sensor and wiggle it while the car is running then the engine should rev and act up if thats the problem. If not let me know and I can direct you further. Thanks.

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Jul 04, 2012 | Dodge Cars & Trucks

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Engine will not idle slow.runs to fast bangs putting in gear.V/6 auto


you may have a vacume leak that is causing the engine to run faster than it should indicating that the car needs more fuel as the vacume leak acts like the throttle is open more than it really is,it could also be a bad tps sensor causing this showing the ecm that the gas pedal is pushed and needs more fuel.the throttle cable may not be going all the way to its rest position or something could be holding the throttle plate open.

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Sounds like a condensor or breaker point problem. When it just starts backfiring while running it is certainly ignition related. Most of the time condensors are the culprit but it can be an ignition module or distributor breaker points / sensor (if so installed.) Should not be to hard to sort out. I know most Vette owners are long ago or soon to be mechanics :)

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I have 1992 Pontiac Bonneville SE with 3800 engine runs good most of time but then it will start to miss and act like it is running on three cyls.,have replaced coil pack,ignition module,crank...


run engine until problem occurs. turn engine off or let it die. leave key on but don't start engine. put a paper clip in diagnostic plug under steering column. look at area on dash where service engine soon flashes. count flashes. (ex. 1flash-1,1 flashes=1,2. if you see 1flash of service engine soon, then 5 flashes in a row the diagnostic check = 1,5. It will flash this several times in a row. this is your code. look it up or ask and find out what it is. this is usually your problem area. let the car tell you.

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Engine will not idle will cut off as soon as foot is off peadle


possible solution, there is an idle circuit on your mass airflow sensor that allows air to bypass the throttle plate. if this little actuator is not working then no idle air will be able to get by the throttle plate which then tells the mass air flow sensor that there is no air moving which in turn tells the computer to stop pumping gas into the cylinders...which make your car shut off. hope this helps, cheers

Jul 08, 2009 | 1997 Mitsubishi Eclipse

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Engine Racing


It may be the cruise control cable - I had a vehicle do this to me before. The engine raced as soon as I started it, even in park. A couple of times, it stopped racing - then I pressed the gas pedal, and the RPMs did not drop when I released the pedal.
If it acts somewhat like that, check under the hood and find the cruise control system - it is most likely a 3-4" diameter, 5-6" long cylinder-like object mounted on top of the engine with a long cable coming out of it going toward the back of the engine. Check all of the clips on the cable and make sure they are intact, then make sure the cable is fully attached to the throttle body at the end. My cable came loose and got itself wedged in the throttle body, preventing the throttle from closing.
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