Question about 2000 Chevrolet Astro
New fuel pump and fuel filter. once started runs great. will start as long as you dont let it sit for over 30 min..
Not a definite cure, but what comes to mind is that one or more injectors may be leaking fuel into cylinders after you shut it down. Does it run a bit rough for a second or two or do you get a puff of black smoke after it fires up when you get re-started? Aside from taking the injectors out and cleaning or replacing them you could try using 3oz of acetone to 10 gal of fuel for at least the next four fill-ups. If it's not too bad, this usually clears up fouling.(acetone will not damage the system... I've used it for about three yrs now.
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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