View Full Version : crank but no fire
howie89
08-20-2009, 02:23 PM
I have a 89 gt replced pump and same times it will start and it will not start. Some times after it runs of a long time i can shut off motor and it willnot start back up. What are something i should like for
cobra429boss
08-20-2009, 02:35 PM
is it gettin spark ???
tdm309
08-20-2009, 03:06 PM
If it only does it when the car is warmed up then I would lean toward an Ignition Module.
chadomac
08-21-2009, 05:50 AM
ecu relay? mine went out drove me nuts figuring it out
jccox77
08-21-2009, 01:21 PM
if the fuel pump is not running when u go to start it u might have a weak fuel pump relay under the drivers seat
dedpedal
08-22-2009, 12:31 PM
one thing to check is the computer itself. Next time its in a no start condition, take the relay off the harness and see if it will start. If it fires up , the computer is probably junk. Check wiring for the VSS from the trans up to the main harness. I shorted mine out twice on that circuit
howie89
08-30-2009, 08:32 PM
is it gettin spark ???
yea sometimes it will start and run fine. Sometimes if you shut off motor it will not start back up
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