Question about Cars & Trucks
Check the connection to the ecu. check the injector relay/ fuel pump relay in engine bay fuse box. was the fuel pump the problem first time round as it could of just been the relay. there is a set of fuses in there to check them.
Posted on Oct 15, 2013
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Posted on Jan 02, 2017
SOURCE: No Spark from coil
I have problem with coil not working. In the morning,car with not start, but if I run a wire from battery to (+) to coil (+) will start. the rest of day no problem,car will start. but next morning same problem no spark from coil. c
Posted on Jun 14, 2009
could be a bad earth or [ground]
the power wire ma be brocken or have a loose or dirty connection
you neeed to trace it along its lenght to determine the fault!
so start at the pump & work back
Posted on Jul 20, 2009
SOURCE: 1998 chevy c15 5.7 SFI SYSTEM
My truck did this after I replaced the fuel pump. Turned out to Fuel Pressure Regulator. It would crank and crank but never start. It's located underneath the black plastic manifold on the side of the injectors.
Posted on Feb 19, 2010
Yes it should be 12 volts at the pump. i have had this problem at the shop a couple of times and i replaced the inertia switch and it fixed it. Also check the connector at the inertia switch, there is high resistance in the circuit which is causing the voltage to be low.
Posted on Jan 07, 2011
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