96 Chevy Caprice 4.3 Gets 15mpg. How do I improve MPG?
Optional Information: Year : 1996Make : ChevroletYear (other) : 1996Make (other) : capriceModel : capriceEngine : 4.3 Already Tried: plugs,distributor cap, air filter
Any trouble codes or is the check engine light on? Have the plug wires been checked/replaced, fuel filter been replaced or the rotor been replaced? Is a scan tool available to monitor the engine sensor data like the oxygen sensor, TPS and EGR?