Question about 1992 Chevrolet Astro Extended

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1990 chevy astro

I have a 4.3 v6. i parked it and went to start it about three hours later, and it would start up and then immediately stall. if i pumped the throttle vigorously it would stay at a very rough idle. i pulled the gas tank, checked the fuel pump, pulled the filter, pulled the inlet to the throttle body. did a timed volume test of the fuel output. replaced the injectors and the fuel pressure regulator. also checked the distributor and the iginition control module in the distributor. if i manually squirt gas into the throttle body, the engine runs smoothly as if nothing was wrong, i also can see fuel being sprayed out of both injectors. any ideas?

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  • sk8theacid May 11, 2010

    bad vacumm leak is it a carberated fuel injector or acutally have fuel injectors on a rail?

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I have a 1992 with the exact symptoms. Did you ever get to the solution. gforland@gmail.com

Posted on Mar 04, 2013

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Timing? if you've got gas and you've got spark, have you checked the crank/cam shaft position sensors? have you put a timing light on it to see if you might have jumpped timing?

Posted on Sep 24, 2008

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