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1994 ford f150 5.0 check engine light comes on after it warms up error code 172?
Sgarland
The problem is " P0172 System Too Rich - Bank No. 1 " That's going to be your oxygen sensor before the cat... it has gone bad. Replace it. http://www.fordf150.net/howto/eecvcodes.php
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∙ 15y ago
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