hard to start after driven or a hot engine. have installed new fuel pump on 1993 Chevrolet Corvette

when the engines cold if fires on the first turn

by in Posen, MI on April 25, 2012
2 answers 1 comment
ANSWER by , April 25, 2012
did you replace fuel filter also
COMMENT by , April 27, 2012
yes it has a new filter also, when its cold its a first crank start
ANSWER by , April 27, 2012
I suggest you check the electrical resistance of the fuel injectors. Check cold then check again hot. Shorted fuel injector winding[s] can cause this symptom. The resistance readings will change with temp. however the individual injector resistances should all be the same or close to the same.