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intermittant surging/missing idle

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Old Feb 16, 2015 | 09:31 AM
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Veaceonee's Avatar
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From: Tucson, AZ
Car: 88 GTA Notchback
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: don't know
intermittant surging/missing idle

Iv had this weird idle issue for a while. When I changed the plugs it got worse.
All Vacuum lines are secure with a steady reading of 17 on the gauge. I took it to a shop (for an oil change) and they verified all wires are good and secure. Fuel pressure is 43PSIish.

Did a scan today, BLMs are at 139 with the rich/lean counter at 64. Granted that is at 1000 RPMs because it will not be at idle (650 RPM)while it is plugged in.

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I use WINALDL and a super crappy laptop for scanning because I cannot get Tunerpro to connect.

Any ideas or anything as to where to go next?
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