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#1
09-28-2004, 05:33 PM
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code P0172
i just got a code P0172 and im wondering if that can be O2 sensor or a fuel pressure problem?
i just replaced the two preCatalyst O2 sensors so if i need to replace the other two i can. i think that will be easier than the fuel pressure thing. '96 chevy burb, 5.7L 166k any help? thanks 
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#2
09-28-2004, 07:40 PM
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Re: code P0172
P0172
Fuel Trim too Rich (Bank 1)
__________________
Matthew Brough  1997 Geo Prizm -- 301,000 miles 2000 Honda Accord -- 225,000 miles 2004 GMC Yukon XL -- 223,000 miles 1987 Jeep Comanche -- 116,000 miles 
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#3
09-28-2004, 08:27 PM
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ok now what?
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#4
09-29-2004, 08:33 PM
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do you think its O2 sensors or the fuel regulator?
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