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post #1 of 1 (permalink) Old 03-26-08, 06:22 PM Thread Starter
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code help

i have a 89 gt and i kept gettin alot of codes for sensors that were bad and i got rid of all the codes but one came back,91,i changed the o2sensor and it went away but i did the koer test yesterday and it came up,but it dosent on the koeo,it flashes 11 no faults.and my car misses at idle i have changed everything as in ignition,i have no cats so i dont know if its running rich or not,can someone plez help me out on book said that 91 could be o2sensor,fuel pressure or injectors out of balance.i need major help on this matter.
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