what wrong with my vehicle

Asked by ao3130 Nov 17, 2014 at 06:46 PM about the 2001 Chevrolet Tahoe LS 4WD

Question type: Maintenance & Repair

I have a 2001 chevy Tahoe and lately its been struggling to stay started like its not getting enough gas. when you turn the vehicle on it sputters and tries to die so you have to press on the gas to keep it going. when you let up on the gas the rpms drop below one and the engine acts as if the battery is about to die but sputters and the rpms climb back above 1. I thought it was the fuel pump so I changed that out with a completely new one. I then thought it was the battery so I changed that. I took it to a mechanic and they said it was the oxygen sensors so  I immediately had then replaced. im running out of options. please help me

1 Answer

rmarie answered 9 years ago

When's the last time you changed your spark plugs? Could easily be the problem. They need to be changed around every 50k miles (I believe!), dont quote me on that. Either that or the cam sensor perhaps, which shouldn't be expensive.

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