TBI has one injector with low voltage

Asked by Matt May 11, 2023 at 07:48 AM about the 1995 Chevrolet C/K 3500 Cheyenne LB RWD

Question type: Maintenance & Repair

1995 Chevy C3500
96-00 vortec engine
New distributor, coil and tuned chip
Refurbished TBI.

I have only 1 injector squirting. With engine off and key on I
am only reading 7v from the non-working injector plug.
What would be the steps to diagnose the issue? Thank you.

3 Answers

Matt answered about a year ago

10-4. I'll check that and double check the grounds throught the truck too.

Mark helpful
310,545

Gene answered about a year ago

Trace back that injector power wire, it should be battery voltage. Might be a bad ignition switch or corroded wiring. The injector power is not computer controlled, the injector driver is negative from the ECM.

Best Answer Mark helpful

Your Answer:

Related Questions

C/K 3500

Looking for a Used C/K 3500 in your area?

CarGurus has thousands of nationwide listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Chevrolet C/K 3500 Questions

CarGurus Experts

  • #1
    Joe_2019
    Reputation
    420
  • #2
    Gene Arnett
    Reputation
    410
  • #3
    Keith Massey
    Reputation
    220
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet C/K 2500
1 listing

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.