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    Too much fuel

    So as you know my CB7 has a H22. I believe its getting too much fuel, everytime i drive i can smell gas in the car. i dont think it has a leak. i know i should be getting around 20-30 miles to the gallon depending on how i drive, but im not, as right of right now im getting like 10. anyone know what could be doing this?? also im getting a CEL for my knock sensor and every once in a while i get a code for the O2 sensor. could a bad knock sensor give me bad gas mileage?? someone help me please, thanks


    -anthony
    new ride
    07 cobalt ss/sc

    #2
    yes a bad knock sensor will give bad gas mileage because it retards timing, i had the same problem i was only getting like 12 mpg, my knock sensor was bad, plus i have a leaky injector that i did not know about, the oxygen sensor will also hurt your mpg very badly
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      #3
      Originally posted by blackcb7
      yes a bad knock sensor will give bad gas mileage because it retards timing, i had the same problem i was only getting like 12 mpg, my knock sensor was bad, plus i have a leaky injector that i did not know about, the oxygen sensor will also hurt your mpg very badly
      thanks for the info, ill get a new knock sensor and see how that works.
      new ride
      07 cobalt ss/sc

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