1997 V6 Cotour 115K+ miles ATX
CEL came on 3 years ago; about 2 months ago noticed a change in performance and gas millage
any Ideas? Whent to "Jiffy Lube" to get the codes read for free; no "autozone" near Longview WA
P0153 Upstream Heated Oxygen Sensor circuit Slow Response - Bank No. 2.
P0171 System Too Lean - Bank No. 1.
P0174 System Too Lean - Bank No. 2
P0300 Random Misfire Detected.
P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2.
