Mechanics

CHEVROLET S-10 ENGINE PROBLEM

2004 Chevrolet S-10 • 96,000 miles

I have a timing rattle only when engine(4.3)is warmed up. Truck runs great no check engine light.I replaced cap and rotor with no difference. On cooler days rattle dissapears. What could this be
Avatar
Guest
October 20, 2012.




Could be carbon build up in intake valves, could be failed egr system or it could be too low octane for fuel.

Roy

ASEMaster6371
Oct 20, 2012.


AD