what causes hesitation and sputtering

Asked by May 17, 2015 at 07:37 AM about the 2002 Chevrolet Blazer LS 2-Door RWD

Question type: Maintenance & Repair

have change rotor cap plugs and
wires

2 Answers

285,665

Is your Check engine light on, did you check for vacuum leaks? Change your filters recently?

445

Also change your fuel filter and put a 3-4x dose of Techron in the fuel tank. If you take off the air filter, spray some carb cleaner down the throttle body while you give it some gas.

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