Question about 1996 Ford Ranger SuperCab

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1996 ford ranger CODE P0171 B1

Engine light is on and code P0171 b1 came up when i did a diagnosis test on it.a freind did test but he don't know what it means.
How do i find out whats the problem?

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  • jvdoll Dec 22, 2008

    thanks s60six for your help

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P0171 - system to lean - bank 1 try this address and it should explain what you need to know...(There is probably some stuff that doesn't apply though)...upon further research I've seen many people pointing to a bad o2 sensor causing this code to appear so that may be the issue.
http://www.tankota.net/repair/Repair_Manual/03tacoma/di/eg2rzfe3/cip0171p.pdf
hope this helps.........Good Luck!

Posted on Dec 20, 2008

  • s60six Dec 23, 2008

    glad to be of assistance........cheers!

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