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Old 21-05-2014, 06:14 PM   #1
FTW-302
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Default AU2 V8 220kw Idle Issues.

Au 2 220kw V8

Had it for 2 weeks, ran perfect, replaced oxy sensors, New MSD coils, MSD Leads and fitted up reco Injectors I had as well a Manifold spacer.

Continued to run perfect for another week until I removed the battery one night to replace parker globes, reconnected, Now idle has dropped to around 550rpm in park and neutral and is near stalling. Issue does NOT go away once warm either. Once put in reverse and drive it is perfect. still pulls strong and there is no miss.

I have again since reset the ECU on the weekend following the correct procedure with no improvement, also cleaned the MAF with no improvement either.

I'm absolutely stumped as to what it could be?

Any advice would be much appreciated.

Cheers
Tom

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Old 21-05-2014, 06:56 PM   #2
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Default Re: AU2 V8 220kw Idle Issues.

I'm not sure if it's a related issue, but when I replaced the battery in my old AUII Pursuit i got a few warning lights and some odd behaviour.

I recall the ford tech saying they were a bit odd when it came to battery changes etc. They fixed it on the spot for no cost.

Having said that i do know people who have disconnected their battery with no adverse affects.
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Old 21-05-2014, 07:33 PM   #3
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Default Re: AU2 V8 220kw Idle Issues.

Tom, i would suggest pm either Matt [5.0 ED] or Dave [bottledup] the windsor guru's both should help you out

cheers dean
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Old 21-05-2014, 07:56 PM   #4
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Default Re: AU2 V8 220kw Idle Issues.

Don't know of this helps but my XR8 (love typing XR8) did the same thing. I now have noise coming from the exhaust and I would say a muffler has gone and needs replacing. Sounds great but the auto will stall when I stop, take out of drive and put in park. Revs have dropped a bit but not as low as yours. Check your exhaust.
UK
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Old 21-05-2014, 08:17 PM   #5
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Default Re: AU2 V8 220kw Idle Issues.

Dean I spoke to Matt the night it first happened.

Just put a brand new twin 2.5' catback on it so it can't be that!

Anywho, I did just put a spare IAT or AIT, whatever they're called on and seems to have fixed the problem!

Will be 100% certain in the morning on a cold Melbourne morning start.

Cheers
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Old 23-05-2014, 09:44 AM   #6
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Default Re: AU2 V8 220kw Idle Issues.

Quote:
Originally Posted by FTW-302 View Post
Dean I spoke to Matt the night it first happened.

Just put a brand new twin 2.5' catback on it so it can't be that!

Anywho, I did just put a spare IAT or AIT, whatever they're called on and seems to have fixed the problem!

Will be 100% certain in the morning on a cold Melbourne morning start.

Cheers
Nice,
The ecu has probably been learning it's way around the dud sensor for a while and with the batt disconnect has reset all it has learned.

It probably would have brought up a code too.
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Old 23-05-2014, 01:40 PM   #7
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Default Re: AU2 V8 220kw Idle Issues.

My thoughts exactly!

Didn't show any fault codes on my xcal3 however...
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Old 23-05-2014, 07:01 PM   #8
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Default Re: AU2 V8 220kw Idle Issues.

Let us know how u go.
UK
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Old 24-05-2014, 09:37 AM   #9
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Default Re: AU2 V8 220kw Idle Issues.

All is perfect now UK, running like a Swiss watch.
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Old 24-05-2014, 10:18 AM   #10
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Default Re: AU2 V8 220kw Idle Issues.

an XR8 swiss watch Good to hear now go for a drive
UK
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