Chevrolet HHR Engine Poor Mileage

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Poor Mileage

2011 CHEVROLET HHR
Car Runs Poorly And Getting Bad Mileage. The Plugs Were Black And The Engine Ran Poorly.
1 ANSWER
Asked by ursulorobles

Bad Gas Mileage?

2006 CHEVROLET HHR
I Have Lost Considerable Gas Mileage Over The Past Few Months. I Usually Get 400 Miles On One Tank, I Am Almost At Half A Tank And Its...
1 ANSWER
1 IMAGE
Asked by AaronCavy

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