1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

code 172

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Feb 3, 2008 | 05:29 PM

rnferran

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Joined: Jan 2008

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code 172

what cause this code 172. this is 96 f250 5.8 did atune up plus cap and wires.and the cat been cut off bpo

Feb 3, 2008 | 07:11 PM

Itch71

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From: Montreal, Canada

HEGO shows system lean....check O2 sensor (assuming it's still there after cat work)

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