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  1. Chevy Impala 9th Gen Discussion
    Over the 2 years i have owed my 2010 3.5l ffv it has been awesome but within the last year the fuel mileage has decreased immensely not going off the dash cause i know thats not 100 percent accurate i reset my trip every time i refuel and when i do the math divding the mileage to the amount of...
  2. Chevy Impala 8th Gen Discussion
    Hello Folks, I successfully changed my thermostat, but now I'm getting a P0178 code "Fuel Composition Sensor Circuit Low". What will happen if I continue to drive with the car throwing this code? I've cleared the code but it's come back. I think when I was changing the thermostat, I tugged a...
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