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Old 09-04-2019, 09:05 AM   #1
blownvn
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Default AU XR6 timing light weirdness

So I was checking spark on our AU XR6 VCT and this weird issue revealed itself.

The car starts and idles fine, maybe not 100% smooth but pretty close. I put a timing light on the leads and it appears that cylinders 1, 2 and 3 are firing at approximately double the rate of cylinders 4,5 and 6.

I've changed the coil pack and it's still the same.

I've asked a couple ford mechanic and they agree its weird.

Has anyone come across this before?

Has anyone done this test on their AU?
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Old 10-04-2019, 12:52 PM   #2
blownvn
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Default Re: AU XR6 timing light weirdness

Nobody with an AU has a timing light?
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Old 10-04-2019, 01:06 PM   #3
Mechan1k
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Valued Contributor: For members whose non technical contributions are worthy of recognition. - Issue reason: Brings a wealth of knowledge to the forums and is frequently giving helpful advice. Technical Contributor: For members who share their technical expertise. - Issue reason: Always willing to help out with technical information. 
Default Re: AU XR6 timing light weirdness

ECU on the fritz maybe?????

Been a long time since I mechanically mucked around with an AU though.
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Old 10-04-2019, 08:09 PM   #4
blownvn
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Default Re: AU XR6 timing light weirdness

Quote:
Originally Posted by Mechan1k View Post
ECU on the fritz maybe?????

Been a long time since I mechanically mucked around with an AU though.
Yeah maybe. I'm not sure I want to buy another AU ECU seeing that I'm converting it to Barra ECU shortly.

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