still have rough idle

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Jul 2, 2018 | 03:07 PM

84Whitebird

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Joined: Apr 2018

Posts: 60

Likes: 6

From: Plainwell MI

still have rough idle

After putting in plugs, plug wires, cap, rotor, Ignition module, cleaning and setting the IAC valves, putting on a new TPS and setting that. My '84 still has a rough unstable idle. No vacuum leaks found either. Driving me crazy because it idled fine before I put new parts on.

Jul 2, 2018 | 03:11 PM

Dt86

Safety Car

Joined: Jan 2014

Posts: 4,017

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From: Poughkeepsie New York

Double check the spark plug wires.

Jul 2, 2018 | 03:19 PM

84Whitebird

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Joined: Apr 2018

Posts: 60

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From: Plainwell MI

Quote:

Originally Posted by Dt86

Double check the spark plug wires.

That is going to be my next step. They were "cut to fit" like I've used a lot before. May not have one seated right or a connector pulled loose putting them in. Never know. I do know the new TPS woke that engine UP. much stronger now.

Jul 2, 2018 | 05:21 PM

billschroeder5842

Zen Vet Master Level VII

Joined: Mar 2016

Posts: 5,218

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From: Southlake, TX

Have you checked your fuel pressure recently? You will need a minimum of 11 for your engine to run right.

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