Extremely sporadic code 24/35

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Extremely sporadic code 24/35 by sirtimeless

Started on	: 02-03-2013 03:37 PM
Replies	: 1
Last post by	: Gall757 on 02-03-2013 05:25 PM

sirtimeless
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From: Hartford, WI, USA
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Report this Post02-03-2013 03:37 PM

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86 gt V6 4 speed

Once every couple of months, i'll be driving, or starting my car, and my idle will spike to 2500k( roughly) and stay there. It will then after a minute or so throw those codes. If i drive it for a bit, or leave it off for a bit the issue is gone, and will not happen again for another couple of months. I have tested the egr tube in the past, and it seemed ok.

Just looking for other ideas.

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Gall757
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Report this Post02-03-2013 05:25 PM

You are momentarily losing the signal from the Vehicle Speed Sensor. It goes from the transmission to the speedometer and then to the ECM. There are a number of connectors along that route, and I suspect that one of them is loose or has some corrosion in it.

edit: I don't think the high idle is part of this issue, but a code 24/35 would be.

[This message has been edited by Gall757 (edited 02-03-2013).]

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