Question about Chevrolet Astro
The relay works the fuel pump only after normal oil pressure is reached
The engines oil pressure switch's 3rd wire primes the fuel pump the first 5 seconds after starting the engine
The fuel pressure regulator keeps a constant pressure to the injectors so that has nothing to do with your problem since you drove it home
Posted on Jun 02, 2010
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Posted on Jan 02, 2017
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