VIDEO: Negative Fuel Trim And Fuel Economy

VIDEO: Negative Fuel Trim And Fuel Economy

Andrew Markel introduces a case study where a 2004 Chevrolet Impala has no codes, but is getting bad fuel economy. Sponsored by ProDemand from Mitchell1.

Andrew Markel introduces a case study where a 2004 Chevrolet Impala has no codes, but is getting bad fuel economy. Sponsored by ProDemand from Mitchell1.

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