Question about 1997 Chevrolet Blazer
These systems are pretty notorious for that. They get internal seal leaks.
Unfortunately, they are not a serviceable unit, and the entire "octopus" will need to be replaced.
You can usually find rebuilt units on Ebay much cheaper than the dealer wants for a new unit. Just make sure you buy from a reputable source, and one that offers a warranty on the unit.
Posted on Jun 11, 2008
I am having same problem with same vehicle. We are replacing several parts, but we are guessing it is the fuel pump. It ran SUPER then just died suddenly. Will not start unless you pour fuel down it's throat, then runs horrible. You could check the fuel pressure going to the fuel rail, it should be 65-66 psi on a cold start. If it is just 2-3 psi low, the injectors will not open up. We are testing ours now. Good Luck!
Posted on Jul 28, 2008
Theres a relay in the glove box i have a 96 sonoma that had the same problem. if you look in the glove box and pull the relay access off depending there should be 3 relays now if its fully loaded and has running lights theres a way to check it.
going from right to left the first one should be either the running lights or horn and the second one should be the same but the third one on mine was the relay that sent the signal to bump the fuel pressure up for the start one i replaced that it ran perfect.
if you have any questions email firstname.lastname@example.org
Posted on Jun 15, 2008
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Posted on Jan 02, 2017
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