Gas mileage

Asked by GuruLL8JG Apr 07, 2019 at 11:26 PM about the 2002 Chevrolet Trailblazer

Question type: General

Is it bad that I can only get 100 miles on a full tank of gas in
my 02 Trailblazer? What can I do to fix it?

2 Answers
11,225

FJ4072 answered 5 years ago

I6 engine?? Yeah 100 miles per tank is beyond horrible, at minimum, should get double that. Like previously suggested, assuming you have no check engine lights, fuel filter, air filter, injector cleaner. New AC Delco 41-103 plugs, and clean your throttle body with a sensor safe spray like Seafoam, with fuses #10 and #28 removed.

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