Superchips - engine stumble? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 4 Old 06-10-2011, 09:09 PM Thread Starter
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Superchips - engine stumble?

I've had my Flashpaq for a while. Been running the tow tune - good combination of performance & ability to haul. A couple months back I put on 35's & changed the tire size w/ the Flashpaq and also turned off the TPS.

Over the last month or so, I've noticed the engine stumbling now & again. Sometimes at idle, sometimes when starting to accelerate, or when on the highway.

Has anyone seen this? This is the only issue I've had with this & really like it. I'm wondering if I have to remove the tune and update the programmer or something?

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post #2 of 4 Old 06-11-2011, 01:41 AM
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I haven't had any issues with mine, but you might want to check for an update...they are always updating the software...

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post #3 of 4 Old 06-11-2011, 02:04 AM
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Sounds a bit like a misfire in a cylinder..try different octane tunes/grades of gas mabe a good fuel cleaner after an oil change..it
I guess what I'm getting at is "stumbling " as your describing I'd usually has to to with air/fuel so check those first..


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post #4 of 4 Old 06-11-2011, 07:58 AM
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Start simple, make sure all of your spark plug wires are connected good. if you have one sucking air, it will do that.

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