rbishop
NAXJA Forum User
- Location
- Detroit, MI
Hi everyone. I've been stalking the forums for a few years now and this is the first time I've ever posted.
I had the notorious 0331 head problem on my 2000 XJ and decided to go the stroker route. So we finally got the brand new 4.7L in and after the first start immediately noticed an extremely high idle (I cut off the ignition before it hit 3000rpm).
We checked for vacuum leaks and couldn't find anything wrong. We think we narrowed it down to the camshaft position sensor being far out-of sync. When we originally took the CPS out of the old engine we didn't know to make sure we had TDS and use a pin to hold the CPS in place. Looking it up in my haynes manual it states that you have to use a scan tool to adjust the CPS. Does anyone know any tricks that doesn't require us trailering it to the local Jeep dealer? Thanks in advance.
I had the notorious 0331 head problem on my 2000 XJ and decided to go the stroker route. So we finally got the brand new 4.7L in and after the first start immediately noticed an extremely high idle (I cut off the ignition before it hit 3000rpm).
We checked for vacuum leaks and couldn't find anything wrong. We think we narrowed it down to the camshaft position sensor being far out-of sync. When we originally took the CPS out of the old engine we didn't know to make sure we had TDS and use a pin to hold the CPS in place. Looking it up in my haynes manual it states that you have to use a scan tool to adjust the CPS. Does anyone know any tricks that doesn't require us trailering it to the local Jeep dealer? Thanks in advance.