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Car went from getting averaging low 20s for gas mileage to mid teens.
2004 CHEVROLET IMPALA
Car runs well and starts well. No sounds from engine. Car seems to be running good just gas mileage droped.
have the same problem?
Saturday, September 3rd, 2011 AT 6:27 PM
Did you check your gas mileage the old fashion way? If not, try it. How long since a tune-up? Any applicable trouble codes?
Saturday, September 3rd, 2011 AT 7:01 PM
I had a tune up about a year to year and half ago. I checked my mpg calculating it.
Sunday, September 4th, 2011 AT 6:29 PM
Put a fuel pressure gage on it, see if pressure holds after everything is off.
Do a compression test.
If your main driving is in town, stop and go, what kind of mileage do you get on the highway?
Sunday, September 4th, 2011 AT 6:51 PM
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