Need help with astro van - Car Troubleshooting


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Need help with astro van

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derek
Anonymous Poster
adapt2this2005@yahoo.com

Dec 11, 2008, 11:14 AM

Post #1 of 6 (3230 views)

Need help with astro van	Sign In

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?

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 11, 2008, 11:28 AM

Post #2 of 6 (3221 views)

Re: Need help with astro van	Sign In

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

Guest
Anonymous Poster

Dec 11, 2008, 11:31 AM

Post #3 of 6 (3219 views)

Re: Need help with astro van	Sign In

I just checked the spark it has good spark. and the fuel pump does do its two second prime.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 11, 2008, 11:43 AM

Post #4 of 6 (3217 views)

Re: Need help with astro van	Sign In

Ok: Now gotta get a good pressure reading when down. KOEO check. GMs can be very fussy about being exactly within range,

T

Guest
Anonymous Poster

Dec 11, 2008, 12:04 PM

Post #5 of 6 (3209 views)

Re: Need help with astro van	Sign In

In Reply To

Ok: Now gotta get a good pressure reading when down. KOEO check. GMs can be very fussy about being exactly within range,

T

how do I get that reading and where on the motor

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Dec 11, 2008, 1:55 PM

Post #6 of 6 (3205 views)

Re: Need help with astro van	Sign In

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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