99 Tahoe cranks but doesn’t turn over. Outta the blue

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Hallds

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99 Tahoe 4 door 5.7

Fresh fuel pump ignition, 186kms

Pulled in my shop to
Give it a wash went to start and nothing

Have a video of what it does

Limited mechanical experience but have multiple guys around to help. But alll stumped

If someone could diagnose or a few different possibilities that’d be great

I checked all fuses cables etc all fine
 

MassHoe04

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If you were under the hood with a pressure washer, maybe you forced water into the ignition system. I don't know that particular engine, but if it has a distributor, that may be the first thing to crack open to see if you can dry it out.

WD-40 is intended to help do that. WD in the name stands for "Water Displacement".

See what you can do to dry stuff out. Anything spark-related would be the first thing I would look into.
 
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