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Old 13-05-2007, 12:01 PM   #1
AU3XR8 Stroked
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Join Date: May 2007
Location: Sydney
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Smile Fault finding on AU's

Can anyone tell me who is good at finding faults and flash tuning in Sydney? I have a couple of issues that sinclair ford and a few other mechanics couldn't work out.

The problems are:
1. When engine is cold it is jittery (have replaced coolant temp sensor- no defference)
2. When engine is at running temp it is hard to start. I have to put foot on accelerater to get it to start, then it blows a cloud of black smoke. (replaced pump, filter, fuel reg and tested - no presure loss. injectors been serviced and are fine)
3. Has a rough idle and only gets up to 300km's to a full tank.

Engine has been rebuilt with 347 stroker kit and bigger cam about 4000 k's ago but the above problems were there before that.

If anyone could lead me in the right direction that would be much appreciated.
Thanx all

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Old 13-05-2007, 12:08 PM   #2
Sledgehammer
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Sounds like a tuning issue.

Look at fuel related items, pressure too high, MAF not calibrated to injectors, what size injectors do you have? TPS sensor can be looked at, what cam did you select? What heads, and springs?
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Old 13-05-2007, 12:24 PM   #3
AU3XR8 Stroked
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HI
Stock injectors- blue
Heads are also stock with extra porting done
Cam is Isky 218/228
Isky H/D valve springs
Have had diagnosis machine pluged in and there was no fault codes
thanx
H
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Old 13-05-2007, 12:32 PM   #4
AUIII XR8 MAN
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I had the same problem with the hot restart, my mechanic clean the sensor just behind the air flitter. Starts no worrys now.
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