Questions & Answers for: Chevrolet Cobalt causes of surging

I replaced the car battery in my 2006 chevy cobalt now the keyless entry doesn't work. check all the fuses inside the car. the new battery could have surged and blew a fuse which would cause the key ...

my cobalt's engine is surging from 500 to 800 rpms when I come to a stop What's the problem? SURGING COULD BE FAULTY FUEL PUMP OR IDLE SPEED CONTROL GOING BAD OR TRASMISSION TORQUE CONVERTER WILL ...

I have a 2006 Chevy Cobalt and I have read several posts that sound like the problem I am having. My car runs fine then the engine will start surging--the RPM guage will swing wildly from 500-2000 ...

2007 Chevy Cobalt, automatic, runs awful ONLY in heavy rain, NO code When driving in heavy rain or if driving through standing water on roadways, my Cobalt will start making a roaring noise (almost ...

...interference (EMI) or noise to be present on the reference voltage signal. * This noise causes small changes in the voltage going to the sensor. Therefore, the output signal from the ...

Seems more noticeable when slowing below 25 MPH, in drive or neutral. Clears up when at a complete stop for a couple of seconds then begins to surge again. Surging between about 450 and 1000 rpm. ...