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Old 09-21-2012, 06:42 AM   #1
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How do you set the cam syncro???

I have a 05 LJ and replaced the cam position sensor and cam synchronizor yesterday now time to make sure it is in time, but how???

I have a code reader that let's me see real time rpms and timing advance so I could try and adjust it while it is running???

(before people start asking about year model and stuff dealer says mine is a late late 04) 11/04 build date...

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Old 09-21-2012, 07:49 AM   #2
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Originally Posted by ken78744 View Post
I have a code reader that let's me see real time rpms and timing advance so I could try and adjust it while it is running???
The sensor solves cylinder ambiguity for injection sequencing. It has no relation to spark timing.

Some of the earlier Jeeps with MPI (pre-TJ) had a casualty mode in which the ECM would guess which one of the paired pistons was on the compression stroke if there was no CMP input. When it guessed wrong, the engine would run, just not very well. So, if your engine runs well, there isn't much chance that your injection sequence is off.

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Old 09-21-2012, 08:25 AM   #3
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I tried real hard to put it right back where the old one was marked the block and the old part for reference and it seems to be ok :-)
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Old 09-21-2012, 08:48 AM   #4
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Pull it out, bring cylinder 1 to TDC, use the cam cap that keeps it from spinning, make it parallel with block ( the arrow on the cap) and slide it in.

I decided to pay my mechanic $60 to do it for me after screwing with it for a while. It's a pain in the ass in my opinion and well worth my $60 for a moment of my mechanic's time. I do everything on my jeep that I can, but I keep a great mechanic in the back pocket for stuff like this.
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Old 09-21-2012, 08:57 AM   #5
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Drove to work it runs great!!!!
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Old 09-21-2012, 09:00 AM   #6
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Yay

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