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1986 ASTRO 4.3 RUNS GREAT, BUT WON'T START WITH OUT A LITTLE GAS IN THE TBI

\015 NEW FUEL PUMP, NEW FUEL FILTER, NEW BATT, FUEL RELAY GOOD, GOT 11PSI FUEL PRESS., HAVE NOTICED THAT I HAVE NO CK/ENG LIGHT WHEN I TURN THE KEY ON. CKECKED FUSES ALL GOOD.\015 Posted / edited by AnonymousUser on : 27-03-2017

Answers :

I believe the fuel pressure is too low. Think it is supposed to have 50 psi. If the return pressure regulator is leaking, that could keep the pressure too low, even with new pump.

http://www.partsgeek.com/v4f2jqh-chevrolet-astro-fuel-pressure-regulator.html?utm_source=nextag&utm_medium=pf&utm_content=mc&utm_campaign=PartsGeek+Nextag&fp=pp&utm_term=1992-1995+Chevrolet+Astro+Fuel+Pressure+Regulator+-+Standard+Motor+Products+PR484
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