J Jack08520 New member Oct 8, 2014 #1 At cold start she fires right up - idles steady for about 30sec - and then goes through this weird "bouncing up and down" for about 15sec and then smoothes out. Once warm no issues. I did buy an Idle Air Control valve - will this do the trick?
At cold start she fires right up - idles steady for about 30sec - and then goes through this weird "bouncing up and down" for about 15sec and then smoothes out. Once warm no issues. I did buy an Idle Air Control valve - will this do the trick?
J Jack08520 New member Sep 21, 2015 #2 It was the upstream O2 sensor - had 130k on it and I was also showing P0171...
