how can i fix my lumina?

check fuel pressure,30 [p.s.i] or above at idle speed.Check for an increment in pressure(+/-)32/45[p.s.i]at part or full throttle.If pressure readings are lower,check for clogged fuel filter,bad fuel pump,leakage at fuel pump hanger or faulty fuel pressure regulator.

D.L.
July 2008