1994 Geo Prizm Check engine light

1994 GEO PRIZM
222,460 MILES • 1.6L • 4 CYL • 2WD • MANUAL
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AMY2953
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Today I was driving my 1994 geo prizm and I noticed that the check engine light came on so I had it checked out. The mechanic said that it was throwing a code 25. He got it to clear but on my way home from work it came back on. What does the code mean? What's wrong with my car
Nov 20, 2015 at 11:41 PM
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WRENCHTECH
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That code indicates the 0/2 sensors are indicating lean exhaust.

Check it very carefully for any vacuum leaks.
Nov 21, 2015 at 4:04 AM