Isuzu Forums - Isuzu Enthusiasts Forum - OBDII code says "lean during acceleration"

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joenoble

11-14-2011 10:03 PM

OBDII code says "lean during acceleration"

my wifes 98 trooper is showing a code that says its running lean during acceleration. both of the rear o2 sensor codes are also showing and I have a cone filter in place of the stock air box. could one of these be causing that?

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