what can cause Timing fluctuation

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duvauchellemotors

Post subject: what can cause Timing fluctuation

Posted: Fri Jul 17, 2009 4:36 pm

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Ride: ED, EB11, 351 XF

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When i had a timing light on my Eb with a AU motor the mark would move slightlu in advance of the timing mark then back...... it was doing it at random. I know AUX shaft failier could be one of the reasons but i highly dought it as I havnt been for a decent drive since i put the motor in.
I used a new Dizzy with the AU Gear on the dizzy...

What can cause this apart from AUX shaft failuer?

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Steady ED

Post subject: Re: what can cause Timing fluctuation

Posted: Fri Jul 17, 2009 4:43 pm

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The ECU...
as in, it's supposed to move around unless you have the timing locked in diagnostic mode.

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ED XR8 Sprint - S-Trim, V500, 249rwkw
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duvauchellemotors

Post subject: Re: what can cause Timing fluctuation

Posted: Fri Jul 17, 2009 4:49 pm

Tyre Shredder

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Ride: ED, EB11, 351 XF

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Oh ok thats good to know lol so when its in diagnostic mode it should stay in one place....
cheers

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Steady ED

Post subject: Re: what can cause Timing fluctuation

Posted: Fri Jul 17, 2009 4:51 pm

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yep, locks timing in diagnostic mode.

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ED XR8 Sprint - S-Trim, V500, 249rwkw
BF MKII F6 Tornado - 237rwkw

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TROYMAN

Post subject: Re: what can cause Timing fluctuation

Posted: Fri Jul 17, 2009 5:14 pm

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i noticed that most of them will fluctuate a little,, like a degree or 2..
you start to worry when its fluctuating by 10 deg..

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