FixVault

Poor Fuel Economy: Notes

NOTE: For CIRCUIT TESTS and QUICK TEST referenced in this article, see the TESTS W/CODES - 2.0L article.
NOTE: Fuel consumption will increases during stop-and-go driving, trailer towing, short-run operation, extended winter warm-up periods, etc. Determine if these factors are the cause of poor fuel mileage before proceeding with diagnostic procedure.