1987 Silverado Fuel problem

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scorpion1110

Junior Member
Joined
Jan 14, 2014
Posts
1
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0
Location
MD
First Name
David
Truck Year
1987
Truck Model
Silverado
Engine Size
350
Hello, I am a new poster but not new to the Forum. I have read posts frequently. Thank you for allowing me to join.

I have a 1987 Silverado with TBI

Issue: Wont start.

Ran fine until we had a serious cold snap of 5 degrees.

New parts:

new Fuel pumps and senders both tanks- Bosch
Rebuilt TBI with new injectors

Truck ran fine after new parts install, though only ran on left tank. NEVER tried right.

Current:

Truck wont start.

I tested for spark with an in-line tester and have spark
I tested injectors with a NOID tester and have pulse at injectors.
I ran the fuel pump relay red lead to battery and Fuel pumps ARE NOT clicking on. They also arent coming on at key.


Ideas? Might it be the divertor? I havent checked power at tanks yet, though everything was fine until the cold snap last week.

What would you recommend as next steps?

Thank you in advance!
 

Jims86

Full Access Member
Joined
Aug 3, 2010
Posts
5,492
Reaction score
135
Location
Patterson,Ca
First Name
Jim
Truck Year
1986
Truck Model
K10 Suburban Silverado
Engine Size
5.7 TBI
First, and cheapest...check the fuse marked ECM B
 

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