Gm 3.1 and 3.4 v6 engine operation 1998 3.1 hard starting only when hot. Repair guides
Repair Guides
Sensor location engine v6 4l 1l locations service 3400 chevy pressure gm operation system pontiac buick oldsmobile motor 3100 control
Spark plug firing order diagram chevy pontiac malibu grand prix engine buick wire 2004 lumina wires 2003 2002 v6 cylinder
Sensor lumina engine location temperature coolant diagram located chevrolet sending buick 1998 where unit monte carlo chevy temp 2002 pressure3 4l engine diagram Changed intake mainfold gasket and push rods ,put it back and noe runs.
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