Question about 2007 Chevrolet Impala LS Sedan New Cars
APP (accelerator pedal position) sensor is bad. Basically means you can floor it, but the signal going to the computer is only a reading a fraction of what it should, which in turn gives you the decreased power. You will need to replace it (basically the entire gas pedal assembly). I've seen them run anywhere from $60 to $120 new, depending on where you go, so shop around. Or, if you're comfortable enough buying used & have basic knowledge of hand tools (or know someone who does), go to a junkyard and pull the entire gas pedal assembly out of a scrapped Impala (make sure its the same year). They run an average of about $25 + tax here in TX, but I imagine that varies from state to state. All it is, is 2 bolts holding the assembly to the floor pan and either one or two wiring harnesses (sorry, it's been a while since I did my wife's & I can't remember for sure). Simply disconnect the wiring harness(es) (you may need something like a philips head screwdriver or something to depress the little latch to get the clip out that hold the harness securely in place) & remove the two bolts with a socket wrench. Then bolt the new pedal assembly in place & reconnect the wiring. After that, you may need to clear the code in the computer. This will get the messages and lights in the dash to turn off. Just take it to a dealership or local mechanic (any of them will have an ODB2 diagnostics tool) and ask them to clear the code. two minutes later, you'll be back on the road and the car will be running like new again. Hope this helped... Good luck!
Posted on Jan 23, 2014
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Posted on Jan 02, 2017
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Your going to need to take this to a ASE certified repair shop or the dealer , you probably don't have the diagnostic tools to trouble shoot this problem.
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