Lack of Power

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"



Spark timing - excessive retard Check Spark Controls in
"Computerized
Engine Controls"



Initial timing incorrect Check Ignition Timing in "Adjustment
Procedures"



Restricted exhaust Check Catalytic Converter in
"Testing Procedures"



Poor or contaminated fuel Recommend higher grade fuel