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Old 05-01-2015, 05:50 PM   #1
TK-421
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Default AU1 v8 engine miss.

The au 1 has developed a miss/rough idle when the air con/fan is switched on. I noticed it occurred this morning when the fan switch was on. You can see the revs are dropping say every 3 or 4 seconds. anyone idea what would cause this?

intechau.
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Old 05-01-2015, 11:08 PM   #2
Maka
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Location: North West Slopes & Plains NSW
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Default Re: AU1 v8 engine miss.

Low / out of spec idle setting? My manual say's 700 - 800 rpm, have a look when warmed up perhaps. May be due for a service soon? Iac need a clean?

cheer's, Maka
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Old 06-01-2015, 12:59 PM   #3
TK-421
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Default Re: AU1 v8 engine miss.

Problem is insulator on 5 lead is arcing out. MAKA i appreciate your advice in trying to diagnose the problem.
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