bicol-ini Posted August 22, 2005 Share Posted August 22, 2005 hello, for the first time the dreaded check engine light, got home and pull out my OBD II scanner comes out with this code PO172, rich on bank1 so i clear the codes, any thoughts from our emmision tech guys. greatly appreciated for any inputs or if this happens to any of you out there thanks in advance, Quote Link to comment Share on other sites More sharing options...
laserron Posted August 23, 2005 Share Posted August 23, 2005 hello, for the first time the dreaded check engine light, got home and pull out my OBD II scanner comes out with this code PO172, rich on bank1 so i clear the codes, any thoughts from our emmision tech guys. greatly appreciated for any inputs or if this happens to any of you out there thanks in advance, ← Here is the code "too rich" and some dianostic info. This is for a 1998 vehicle. Hope it helps. If you need other pages let me know. Good Luck LaserRon diag_cip0171_engine_di58.pdf Quote Link to comment Share on other sites More sharing options...
bicol-ini Posted August 24, 2005 Author Share Posted August 24, 2005 thanks laserron for the pdf i also have one for my 96 but pretty much the same procedure to diagnose the MIL DTC codes, any ways did the diagnostics and come out all within specs, so from what i can conclude is probably the gas cap was not tightly returned after taking on gas, CEL never showed up again, Quote Link to comment Share on other sites More sharing options...
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