Lack of Power

SYMPTOM:
Engine delivers less than expected power. Little or no increase in speed on slight acceleration.

POSSIBLE CAUSE ACTION



EGR malfunction Check EGR system in "Testing
Procedures" in Emissions


Spark timing - excessive retard Check Spark Controls in
"Fuel Injection and Computerized
Engine Controls"


Initial timing incorrect Check Ignition Timing in "Adjustment
Procedures" in Emissions


Restricted exhaust Check Catalytic Converter in
"Testing Procedures" in Emissions


Poor or contaminated fuel Recommend higher grade fuel