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February 1, 2000 Service bulletin

Some vehicles may experience a hard start condition, rough running engine, a service engine soon light,...

Chevrolet technical service bulletin 99034A for 1992-1995 Chevrolet S Series, 1992-1995 Chevrolet L Series and 1992-1995 Chevrolet T-Series and others.

Bulletin number
99034A
Component
Fuel system, gasoline: fuel injection system
Summary
Some vehicles may experience a hard start condition, rough running engine, a service engine soon light, misfire, no start, stalls or catalytic converter odor due to failure of the central multiport fuel injection (cmfi) fuel system also known as central port injection (cpi). Tt

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