Engine noise
Lot's more detail would be better.
How many miles or on your HHR?
Do you have a check engine light on now, or has it come on and gone off recently?
How many miles since your last oil change?
Is the noise a ticking sound, or a clatter/rattle?
Does the noise get louder with increased revs, or is it primarily at idle?
How many miles or on your HHR?
Do you have a check engine light on now, or has it come on and gone off recently?
How many miles since your last oil change?
Is the noise a ticking sound, or a clatter/rattle?
Does the noise get louder with increased revs, or is it primarily at idle?
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