Question about 2000 Pontiac Grand Prix

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2000 3.8 Grand Prix lags and surges during idle, feels like

My 2000 grand prix lags and surges during idle, it feels like it misses usually during acceleration, but it actually jerks, it isn't the transmission, but it will pull you forward like you are breaking hard, and then push you back when it catches again. The entire thing lasts the blink of an eye, but it is super annoying. It has also died when I let off the gas while driving.

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My Grand Prix did this too and it was old spark plug wires. Replaced them and no more **** that the tranny was messed up.

Posted on Dec 02, 2009

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  • Pontiac Master
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Sound like torque converter solenoid problems.

Posted on Jun 28, 2009

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My 1993 pontiac grand prix with the 3.1 engine stalls when it idles at a stop light but it starts right back up. it has plenty of power. we changed the o2 sensor did the vaccum leaks and ths spark plugs....


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2002 pontiac grand prix gt surges when idling and jerks when driving


CHECK ALL YOUR VACCUM HOSES. CHECK FOR CRACKED OR SPLIT HOSES. MAY ALSO HAVE A BAD COIL PACK. PULL ONE SPRK PLUG WIRE OFF AND SEE IF PERFORMANCE IMPROVES. ANOTHER IDEA IS TO GO TO HARBOR FREIGHT AND BUY A SPARK PLUG CHECKER. IT COSTS ABOUT 3-4 DOLLARS AND THAT MAY BE THE ANSWER TO YOUR PROBLEM.

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Grand prix wont idle


There are 3 things that should be checked.
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and a fuel pressure test done. The idle air control is usually mounted on the throttle body, so is the tps which has a black plastic casing. good luck.

Jan 25, 2009 | 2002 Pontiac Grand Prix

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