Question about 2003 Pontiac Grand Prix
WHEN I FIRST START TO GO ON OVERNIGHT COLD START IT RUNS DECENT. BUT WHEN I DRIVE FOR ABOUT 5 MINUTES AND TRY TO ACCELERATE OFF STOP SIGN ALMOST HAVE TO PUT FOOT TO FLOOR TO GET UP TO 35 MPH. FEELS LIKE IT BOGS DOWN AND SHIFTS ERRATICALLY. ALSO HAS HARD TIME GOING UP HILLS AND STRUGGLES TO GET TO 55 MPH. AFTER I FINALLY GET TO 55 MPH ITS SMOOTH.
Well start with the basics here is the battery fully charged? how are the cattery cable connections clean and tight? do any of the electrical accessories work like the head lamps brake lights etc.. do the accessories that are ig nition switch related work when the key is on like the radio and blower motor? you may have more the n one issue here one that was making it run poorly and one that is preventing it from starting. is there a security lamp on the dash flashing? it may have a theft system issue.
you can take it to one of the auto parts stores like auto zone they will at least scan the car to tell you what the code is for free. At least you will have an I dea what your looking for. Good luck :)
Posted on Jun 02, 2009
This sounds like you either have a clogged fuel filter or a defective Mass Airflow sensor, the fuel filter is located in the fuel line under the car, here is a discription of location, While looking at your Driver Side the Fuel Filter is located just to the left of the rear tire and just under the driver side back seat. The MAF sensor is located in the air intake hose of the engine. Replace the fuel filter 1st
Posted on Jun 01, 2009
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Posted on Jan 02, 2017
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