Question about 2006 Pontiac Grand Prix
The reduced engine power light has come on twice after I drive about 6 blocks the power increases and the car drives with no reduction of engine power.
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Posted on Jan 02, 2017
best bet is to stop in at a Pep Boys, Autozone, or similar big autoparts seller, and ask for free trouble code scan, which should pinpoint area causing problem. If not obvious by codes, what is necessary to repair the problem code, get back to us with those codes and we will be glad to assist you further. Better this way, takes away the guess work, and saves you money, as well as getting it right the first time.
Posted on Dec 12, 2009
The PO300 code is random/multiple cylinder misfire detected. Sinsc you have the code PO302, that means that cylinder 2 is the one misfiring, usually a bad coil pack, or spark plug.
Posted on May 12, 2010
Pontiac stopped installing the fuel filter on the rail in 2006. The 2004-2005 models had a fuel filter on the driver's side under the rear passenger seat area clipped to the frame. 2006 beyond the fuel filter is part of the fuel pump unit inside the tank.
Posted on Jun 01, 2010
hi some vehicles are fitted with what is known as a "limp home" system, this might be a fault with the transmission, and what it is doing is reducing the power so you do not cause any damage to the motor, this will have to be put on a diagnostic system to find out what is exactly wrong, but normally it is to do with the gear selector switch...hope this helps
Posted on Jun 05, 2010
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