94 blazer wont start

1994chevyblazer · #1 07-25-2005, 01:33 PM

needing help the other day i went to start my 94blazer it has 4.3l and 4x4 we thought that it was the fuel pump well we replaced it and also replaced the fuel relay switch and we done a few tests and nothing came back if any one help please help i really miss driving my blazer oh and i am getting spark also

BlazerLT · #2 07-25-2005, 04:36 PM

check fuel pressure.

1994chevyblazer · #3 07-27-2005, 06:44 AM

Quote:

Originally Posted by BlazerLT

check fuel pressure.

yeah i checked it and no pressure

BlazerLT · #4 07-27-2005, 11:16 AM

Do you hear the pump prime when you turn the key to the ON position before starting?

1994chevyblazer · #5 07-28-2005, 10:41 AM

Quote:

Originally Posted by BlazerLT

Do you hear the pump prime when you turn the key to the ON position before starting?

no dont hear it, used a hot wire on it and then you can hear it running

BlazerLT · #6 07-28-2005, 12:18 PM

Your relay is gone.

1994chevyblazer · #7 07-29-2005, 09:26 AM

Quote:

Originally Posted by BlazerLT

Your relay is gone.

bought a new one and same thing

BlazerLT · #8 07-29-2005, 11:58 AM

You aure you replaced the right one?

1994chevyblazer · #9 07-30-2005, 10:46 AM

Quote:

Originally Posted by BlazerLT

You aure you replaced the right one?

i hope the guy from auto zone gave me the right one the old one was black and the one he gave me is gray and i asked him well this one is gray and he said oh they changed the color of it so i dont know

jonsonton · #10 07-30-2005, 12:02 PM

It could be a broken wire somewhere also.

1994chevyblazer · #11 08-01-2005, 01:13 PM

Quote:

Originally Posted by jonsonton

It could be a broken wire somewhere also.

im starting to think that cause i have replaced almost everything that has to do with the fuel system except that darn cpi

BlazerLT · #12 08-01-2005, 03:33 PM

That is usually the part that let's go first.

I suggest you check for leaking there.

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