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jason

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  • why am i getting horrible gas mileage?

    Ok.... to start of with i have a 1992 GMC sonoma with the 2.8L engine, Manual 5spd transmission. it has new air filter,oil filter,oil, plugs, wires, cap, rotor, coil, ect. doesnt really idle rough,it runs and drives, exhaust is broken off to the rear of the CAT converter, has valve cover gasket leak (fixing that tomorrow) now to the problem. I AM GETTING THE WORST GAS MILEAGE EVER! i traded my 1997 expedition with the 5.4 for this to get BETTER gas mileage, and this thing does WAY worse! i would say it gets like 6-7 MPG. what are some fixes if any? someone please help!

    4 AnswersMaintenance & Repairs8 years ago