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1997 CHEVROLET BLAZER

267,864 MILES • 4.3L • V6 • 4WD • AUTOMATIC

KEVINSJ1313

MEMBER
33 POSTS

I've done what most people do and changed the plugs and wires still the same thing skipping there is so much stuff online about what's it could be. I just figured I would ask you where to go next.

May 20, 2024 at 4:22 PM

STRAILER

✓Experienced Mechanic
55,238 POSTS

I would do a compression test and if okay change out the spider injector with a new unit which is common, these guides can help, and I have included the instructions of the changing the injector out to help fix the problem.

https://www.2carpros.com/articles/how-to-test-engine-compression

The compression should be above 120 PSI and if so, here is how to change out the injector. Check out the images (below). Please let us know what happens.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
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May 21, 2024 at 2:32 AM