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What issues with acceleration have been reported for the Chevy HHR?
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★ Top Answer
The Chevy HHR has been experiencing acceleration problems linked to defective fuel injectors and spark plugs. It is recommended to replace the air filter every 15,000 to 30,000 miles, change the coolant every 60,000 miles, and replace spark plugs every 100,000 miles unless they are copper, in which case they should be replaced every 30,000 miles. Various engine issues can arise, including oil leaks that should be promptly fixed, loose gaskets that require immediate tightening, and misfiring spark plugs that can cause engine troubles. Excessive oil consumption may necessitate more frequent oil changes. One serious issue to watch out for is engine overheating, as it can potentially lead to fires and even the car exploding.
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Chevrolet HHR acceleration issues often stem from difficulties with the throttle body.
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