Poor Fuel Economy

SYMPTOM DESCRIPTION
From an actual road test the measured MPG is noticeably lower than expected. At one time the fuel economy for this vehicle was at a greater average than current measurement.




SYSTEM ACTION


Ignition Check SPARK PLUGS Remove spark plugs,
check for wet plugs, cracks, wear improper gap,
burned electrodes, or heavy deposits.
Repair or replace as necessary.
IGNITION WIRES for cracking, hardness, and
proper connections.
ESC operation.
Knock Sensor
IGNITION TIMING.