Slow5.0 Active Member Feb 13, 2003 2,554 0 46 Portland, OR Apr 25, 2004 #1 Apr 25, 2004 #1 I just did KOER test and I find two codes 311 AIR system inoperative during KOER (Bank number 1 with dual heated oxygen sensors) 314 AIR system inoperative during KOER (Bank number 2 with dual heated oxygen sensors) What this mean, and I don't have check engine light on
I just did KOER test and I find two codes 311 AIR system inoperative during KOER (Bank number 1 with dual heated oxygen sensors) 314 AIR system inoperative during KOER (Bank number 2 with dual heated oxygen sensors) What this mean, and I don't have check engine light on