Question about 2007 Chevrolet Captiva 2.4
The car doesn't want to start. We check the fuel pump which seems to be working, however the is no pressure. My logic tells me its the fuel pump that faulty but I want to exhaust all possible causes before replacing something only to find we have replaced the incorrect part. If we put fuel into the throttle body it starts up and idles beautifully. and suggestions and advice would be appreciated.
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Posted on Jan 02, 2017
SOURCE: 1999 chevy blazer wont start
THE FUEL PUMP IS BAD.
if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.
and i doubt that you are seeing enough fuel pressure to run a vortec engine.
low fuel pressure equals a non running vortec
Posted on Apr 11, 2009
That eliminates the crankshaft and camshaft position sensors. Have you checked the fuel injector itself for an open winding or stuck valve plunger? There should not be a steady 12 volts to the injector--if good injector, it would be spraying fuel steadily into the throttle body. But at least the engine should try to run if poorly. Take the injector out, dry it off with air, and intermittently apply 12 volts to one terminal while grounding the other. You should hear a click from inside every time you touch 12 volts. If not, replace it. If it does, it may be plugged with debris. Try blowing through it in reverse with compressed air.
Posted on Jul 17, 2009
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