Hard Start first turn of key?

[Markb873]

My '93 s10 blazer recently won't start with the first turn of the key usually. I can turn it for 2 seconds or 10 seconds and it wont start. When I flip it off and on to start it a second time it starts up fine. Occasionally It will eventually start but it seems to start up one cylinder at a time over a few seconds if that makes sense.

I'm going to check it's fuel pressure Monday. I was thinking maybe the fuel pump is struggling to build pressure and the time i take to flip the switch back and forth gives it enough time to prime? I have no drivability problems wide open though.

Any input is appreciated as always.

-Mark

[MT-2500]

Originally Posted by Markb873

My '93 s10 blazer recently won't start with the first turn of the key usually. I can turn it for 2 seconds or 10 seconds and it wont start. When I flip it off and on to start it a second time it starts up fine. Occasionally It will eventually start but it seems to start up one cylinder at a time over a few seconds if that makes sense.

I'm going to check it's fuel pressure Monday. I was thinking maybe the fuel pump is struggling to build pressure and the time i take to flip the switch back and forth gives it enough time to prime? I have no drivability problems wide open though.

Any input is appreciated as always.

-Mark

Your thinking is good.
Also fuel filter can be pluged up.
Check fuel filter first and then fuel pressure.
And always have fuel tank at 1/2 full or more to run test.
And also check for fast leak down.