Chevrolet Blazer Repair Question
Bad gas mileage
At the mileage I would do full tune up and injection service with all A/C Delco parts and recheck the mileage.Also might want to double check your friens numbers....those sound a little high for a 4.3-W have one myself
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I'll second Jack's thoughts. Silly little things can also affect miliage like tire pressure, bad alignment, air conditioning, accelerating.
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