Engine Does Not Rev to High RPM, and the Transmission Upshifts At Low RPM (Engine At Normal Operating Temperature)

Engine does not rev to high rpm, and the transmission upshifts at low rpm (engine at normal operating temperature)

Engine rocker arms defective

Low fuel pressure

Restricted exhaust

Engine output low

Restricted intake

Notes

Check the engine rocker arms.

Notes

Check the fuel pressure Testing and Inspection.

Notes

Check for exhaust restriction.

Notes

Check the engine control system.

Notes

Check for intake restriction.