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derek
Anonymous Poster
adapt2this2005@yahoo.com
Dec 11, 2008, 11:14 AM
Post #1 of 6
(3316 views)
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Need help with astro van
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I have a 93 chev astro van that will start and run great for ten or so minutes then it will die and not start again for three hours. After three hours it starts up and runs great for another ten minutes then dies and wont start again. any ideas whats wrong?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 11, 2008, 11:28 AM
Post #2 of 6
(3307 views)
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Re: Need help with astro van
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Try to see what's missing when NOT starting - fuel or spark. If it will sputter with a shot of starting fluid then check fuel pressure,
T
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Guest
Anonymous Poster
Dec 11, 2008, 11:31 AM
Post #3 of 6
(3305 views)
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Re: Need help with astro van
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I just checked the spark it has good spark. and the fuel pump does do its two second prime.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 11, 2008, 11:43 AM
Post #4 of 6
(3303 views)
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Re: Need help with astro van
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Ok: Now gotta get a good pressure reading when down. KOEO check. GMs can be very fussy about being exactly within range,
T
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Dec 11, 2008, 1:55 PM
Post #6 of 6
(3291 views)
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Re: Need help with astro van
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This was listed for the TBI 4.3 below. I'd be interested in "key on engine off" as well as it might not run. Look for fuel rail and a cap (perhaps a blueish/aqua) and a larger than a tire valve fitting for a fuel gauge. Not sure of thread size but they may rent a gauge for this at some parts outlets.....
T
***************************** Fuel System Pressure
For your 1993 Chevrolet Truck Astro Van 2WD 4.3L TBI :  9-13 PSI(Pounds per Square Inch) Note: Position the ignition switch and the A/C system in the off position. Install a fuel pressure gauge to the vehicles fuel rail supply line. Place the ignition switch in the on position, confirm that no leaks are present, and start the engine. Visually verify the fuel pressure reading on the gauge.
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