2007 Chrysler Aspen Q&A

2007 Chrysler Aspen Question: engine light on/ had a diagnostic test done results were. air flow/restriction

detected-slow accumulation, the calculated map value is greater than the expected map value. what could cause this problem -
Answer 1
either congested cats. or you need to change air filter or upgrade to high air flow filter. there are fuel additives that will help clean the cats. -