2000 S10 4WD 4.3L 79000 miles. I have noticed a big decrease in gas mileage. The check engine light is not coming on. Still have power and runs good no missing, spitting or sputtering.
I disagree with changing the MAF sensor. I had the same problem for about 4 years until today on my 2000 s10 4.3 4wd 125K. It runs like new, and all i did was paid 6 bucks for a can of mass air flow sensor cleaner from auto zone. Try this!! it was awesome the results
Thats the mass air flow meter.Should get changed at 60.000 miles. Also change the air filter.
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Changed plugs/wires last around Christams 07
Changed fuel filter in Janurary 09; changed oil, oil filter; air filter; pcv valve in April 09
Tire pressure good all tires were 2-3 psi low
Use 87 rated gas
drive normal speeds 5-6 mph over
You did not answer my questions
what engine? 4 wheel drive? load carried? are tire at max pressure? what speeds do u average? using recommended grade of fuel?
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