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1997 Geo Prizm poor fuel economy

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1997 GEO PRIZM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 199,870 MILES
I notice recently my car is using too much gas, I change the oil often 3000 miles, what could be the problem? I usally fill the tank up once a week now I have to fill it every four days.
Wednesday, January 12th, 2011 AT 8:38 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,542 POSTS
If your check engine light is not on, then it could be a bad injector, higher than normal fuel pressure or a leaking fuel pressure diaphragm. Pull the vacuum hose to the FPR and see if it has gasoline in it. If so it will need to be replaced.
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Wednesday, January 12th, 2011 AT 8:41 PM

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