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Check Engine Light
I have a timing rattle only when engine(4
2004 CHEVROLET S-10
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
Saturday, October 20th, 2012 AT 7:42 PM
Could be carbon build up in intake valves, could be failed egr system or it could be too low octane for fuel.
Saturday, October 20th, 2012 AT 7:43 PM
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