Question about 2007 Chevrolet HHR Fall
Rpm's jump all around and sometimes will stall out
Posted by Anonymous on
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Posted on Jan 02, 2017
The same thing happened to me on my 2003 TB. It was the cam sensor. I think it costs about $30. to buy and maybe 15 minutes to replace.
Posted on Aug 16, 2009
a car that idles rough and clears up is the sure sign of an o2 sensor shorted this may not give a code if the short in the sensor is bad the computer will eliminate its input to protect itself
Posted on Sep 03, 2009
SOURCE: rough idle then stalls
Vacume leak or bad idle motor. With the car in park and running with the hood open listen for leaks moving your hand around the different hoses looking for a change in the sounds that you hear. The idel motor also makes the car idel up to 1500 RPM or so right at start-up then idel down, If it doesn;t the idel motor is likly. Check engine light is on when running? Test for codes, Follow code test charts don't skip any steps!.
Posted on Nov 02, 2009
Testimonial: "Found the problem vacume leak like you said."
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