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2003 jeep liberty renegade 3.7

686 views 2 replies 2 participants last post by  jonw 
#1 ·
So I pulled my engine redone my timing and put a new head on my liby and I was having start issues I figured out that I had to replace my air idle control sensor, I replaced that it started fine with a rough idle but ran. It then gave me a throttle position sensor code I replaced that now it won't start at all. I checked my wires to make sure the connection was good, and still nothing so I put the original one back on and still no start.it back fires and won't start. Anyone know where to start?
 
#2 ·
I'd say your timing is off by a little and the computer tried and gave up trying to compensate for it. What are your compression test numbers?
 
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