Check Engine Light

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Apr 6, 2010

Gas Can II

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Joined: Apr 2010

Posts: 2

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From: Norristown Pa.

Check Engine Light

1997 Ranger 2.4L getting a 0420 code. what does this mean ?
Thanks for any help !

Apr 6, 2010

OTRtech

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Joined: Mar 2007

Posts: 2,598

Likes: 14

From: Upstate,NY

420 = catalyst inefficient , most likely the O2 sensor.

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