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    5. how to fix a P0303 code on 2000 Astro
    how to fix a P0303 code on 2000 Astro

    I check everything and the only thing I found was low compression.

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    0  Views: 599 Answers: 1 Posted: 14 years ago
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      A P0303 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #3. Read more for solutions: http://www.obd-codes.com/p0303
      14 years ago. Rating: 0
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