Poor Fuel Economy

Fuel economy is noticeably lower than expected. Customer detects a significant reduction in fuel mileage.

POSSIBLE CAUSE ACTION

Incorrect distributor installed position See ADJUSTMENT PROCEDURES.



Electronic spark timing
insufficient spark advance Refer to COMPUTERIZED ENGINE CONTROLS.


Restricted exhaust Check catalytic converter.


Poor or contaminated fuel Recommend higher quality fuel



EVAP system malfunction Check evaporative emission system.