Dead Computer?

[QW13QW]

The Bad: It's back to running like CRAP!

The Good: The shop foreman at the Chevy dealer is running out of ideas!
Basically, he's narrowed it down for me to one of two issues.

A. The fuel pressure regulator is sticking and needs to be replaced.

B. Unbelievably, inside the gas tank, the little cotton sock on the end of the pick up tube on the fuel pump is being partially sucked up into the pick up tube.

The Ugly: I'm beginning to believe it's choice B. Sigh. I'm going to start another thread in order to explore this option futher.

[skipr]

Originally Posted by QW13QW

The Bad: It's back to running like CRAP!

The Good: The shop foreman at the Chevy dealer is running out of ideas!
Basically, he's narrowed it down for me to one of two issues.

A. The fuel pressure regulator is sticking and needs to be replaced.

B. Unbelievably, inside the gas tank, the little cotton sock on the end of the pick up tube on the fuel pump is being partially sucked up into the pick up tube.

The Ugly: I'm beginning to believe it's choice B. Sigh. I'm going to start another thread in order to explore this option futher.

There's no cotton sock on the fuel pump suction tube, Its a mesh plastic of some type (maybe mylar). It's fine wooven like the screens you find in replaceable filter element type fuel filters.

[grim0404]

i have k1500 with a 5.7 tbi the truck will start run for a bit then shutdown at first i thought it was a fuel problem replaced filter and pump put a more psi pump thinking this may work it still dies after a few minutes of runnin whaty else can it be im going and check the dist see what happens then im going to try the filter in the injector

[mbumgua]

Grim0404-your problem is usually the ignition module and pickup coil in the distributer--usually good idea to relace entire distributer when this happens and you have over 100,000 miles on the vehicle- or you could just replace the pickup coil and module.

[grim0404]

hey thanx you where right i ran diagnostic and ur right order one came diffective turned back in put the new one in perfect thanx for ur help

[mbumgua]

I'm glad it worked out for you. I've owned and worked on enough chevy's that about everything that could happen has happened to me.

[QW13QW]

Sorry for the delay(years).
Thanks for all your help.
I forgot to post the solution.
It was the wires leading to the fuel injectors.
They were crushed by the air filter housing and limited the amount of current.
There were only 2 thin strands of copper wire left in tact on one wire!
The other wasn't much better.
Cut the wires and spliced them back together.
Ran like a champ again.

Unfortunately, she died in the summer of 2010 at the ripe old age of 22.
The engine went the same time the tranny went.
Perfect timing.

Long live my "new" 1997 Chevy K-1500 4x4 !!!

[Schurkey]

Originally Posted by QW13QW

Well.....today I replaced the filters in the injectors and WOW! What a difference! Although the injector filter screens both looked reasonably good, a new set made a world of difference. Now I can see the injectors spraying fuel not just dribbling a mist like earlier.

Where did you get the new screens?

Part number?