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cctaco

Trail Blazer 7 Engine issues

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 I have a trailblazer 7 and it starts and runs ok.

 

But it has a lot of pops while running.

 

Things I've done fresh gas, changed oil, new fuel line,  and installed a fuel filter. 

 

Not sure how to change plug wire, looks old.

 

What else can I do?

 

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Chances are you have carburetor issues. I would try running some Sea Foam through it. If that doesn't help, replace the carb. $12-15 on Ebay. Cheaper than rebuilding and "plug and play".

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