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1994 Acura Integra Very bad gas mileage.

Tiny
BENDJ
  • MEMBER
  • 1994 ACURA INTEGRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
My car has suddenly gotten about 100 less miles per tank of gas. 11 gallon tank. I recently changed oil and spark plugs. There was oil on the spark plugs so I replace the valve cover gasket. Air filter has less than 10,000 miles on it. I was told might be worn piston rings. Does this sound possible?
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Sunday, January 3rd, 2010 AT 5:26 PM

2 Replies

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
It may be many things. I'd make sure you have the proper heat range spark plugs in the vehicle. I'd also check timing marks (mechanical and timing). Check for vacuum leaks, MAP sensor, the rest of the tune-up items (fuel filter, spark plug wires, cap/rotor), oxygen sensor, etc. There are many possibilities.
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Wednesday, January 6th, 2010 AT 6:37 AM
Tiny
BENDJ
  • MEMBER
  • 2 POSTS
Thanks for the response. I figured that there wasn't a simple answer. So, if I can get pointed in the right direction on what things to check and what are the most likely causes I should be able to find the problem.
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Tuesday, January 12th, 2010 AT 7:20 PM

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