Trailblazer Compression Problem

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Fmcclure
Posts: 1
Joined: Wed Nov 29, 2017 12:09 am

Trailblazer Compression Problem

Unread post by Fmcclure » Wed Nov 29, 2017 12:16 am

I have a 03 tb it ran fine then set for a few months now runs ruff scand it p3005 came up changed plugs and coils still ruff did compression test and #5 had only 30 psi all others had 175.Does anyone no how to fix without rebuilding.

 

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carriedi
Posts: 2280
Joined: Wed Apr 10, 2013 12:42 pm
Location: Oregon

Re: Trailblazer Compression Problem

Unread post by carriedi » Thu Nov 30, 2017 12:49 pm

you should call around and see if there is a shop in your area or check with a tool place for the tool to do a cylinder leak down test. Do the test on the cylinder in question and see where the compression is going. see if it is a valve problem or a ring and piston problem and then go from there

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