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Author Topic: Running Rich can I adjust the timing forward?  (Read 1052 times)

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jwrape

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Running Rich can I adjust the timing forward?
« on: March 15, 2006, 02:26:10 PM »
My 92' YJ has been running rich since I had it. I have replaced the O2 sensor and moved the AIS forward into the Intake tube to fool the computer to run leaner. That helped a little, but it is still runnning rich.
Can I adjust the timing via the distributor to advance the timing a little or will the computer over rule me?
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Offline Jeffy

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Running Rich can I adjust the timing forward?
« Reply #1 on: March 15, 2006, 03:15:52 PM »
Hmmm, doesn't moving the AIS forward make it run richer?  Instead of hot, less dense air it now thinks it's getting cooler, dense air so it offsets that but using more fuel...
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jwrape

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Running Rich can I adjust the timing forward?
« Reply #2 on: March 15, 2006, 04:07:38 PM »
Quote from: "Jeffy"
Hmmm, doesn't moving the AIS forward make it run richer?  Instead of hot, less dense air it now thinks it's getting cooler, dense air so it offsets that but using more fuel...

I don't know for sure. I was told that cooler air made it lean out.
It did seem to run less rich and not so smelly.
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