01 blazer all crank no run

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04-28-2024, 10:52 PM

Jr12355

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Join Date: Apr 2024

Posts: 2

01 blazer all crank no run

01 blazer not starting. Just changed spark plugs 2 weeks ago. New codes p0704 and another one i can't remember. Anyways it will crank and want to start but. The new codes. I have a feeling are the problem

04-29-2024, 08:49 AM

GeorgeLG

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Join Date: Jan 2007

Location: Florida

Posts: 4,047

What are the codes?

I would start with 10 min fuel pressure leak down test in sticky and seeing if you have 1” of strong spark during cranking at a couple of plugs.

George