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02 z28 A4 spikes?

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Old 06-04-2007, 11:55 PM
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kaz
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Default 02 z28 A4 spikes?

Does anyone know what these spikes in the graph could be? I have no idea what thats suppose to mean. I was told that the car needed a tune-up possibly. Is that what I am seeing in the graph? Thanks in advance.

I bought the car with 44k and i have 65k roughly on it. Haven't changed the plugs or wires but its probably time and the fuel filter too.


Old 06-05-2007, 11:13 AM
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Looks like the dyno lost the tach signal.

-Geoff
Old 06-05-2007, 01:03 PM
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kaz
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thanks

would that be totally the dyno's fault?

noone else had a problem that day as i did

Last edited by kaz; 06-05-2007 at 01:08 PM.
Old 06-05-2007, 04:16 PM
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Originally Posted by kaz
thanks

would that be totally the dyno's fault?

noone else had a problem that day as i did
Not at all...change your plug wires.
Old 06-07-2007, 09:14 PM
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Originally Posted by waSStock
Not at all...change your plug wires.
ok thanks




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