Idle Stumbling...HELP!!!??

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Feb 24, 2011 | 09:06 PM

Cor430vette

Thread Starter

Melting Slicks

Joined: Jan 2009

Posts: 2,466

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From: Texas

Idle Stumbling...HELP!!!?? Killer Bee 2

Hey everyone, I just installed a Killer Bee 2 and Corsa Exhaust Extreme.

I unplugged the battery so that it would relearn everything.

However, I have noticed my idle now kinda stumbles....I can see my RPMs floating between 550 to 650.

I can hear it idling normal then I see the RPM drop then go back up again then idle goes normal again for awhile then stumbles again...

Any ideas?

When I reset the battery I didnt run it at idle for long I took it out and did a couple of fast runs....

Does everyone think its the reset I need or perhaps the MAF is having problems?? Leaking? etc?
HELP!!

Last edited by Cor430vette; Feb 24, 2011 at 11:14 PM.

Feb 24, 2011 | 09:24 PM

Justasheet

Melting Slicks

Joined: Sep 2008

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What was on it before? Was it stock? It sounds like you need a tune. Check all your connections for any vacuum leaks. It normally takes the computer about 100 miles to adjust to everything you changed.

Jeff

Feb 24, 2011 | 09:26 PM

Cor430vette

Thread Starter

Melting Slicks

Joined: Jan 2009

Posts: 2,466

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From: Texas

Stock ...yep. But a Killer Bee and axel back exhuast shouldnt need a tune...??

Feb 24, 2011 | 09:29 PM

EDinPA

Le Mans Master

Joined: Aug 2009

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From: Bucks Co. / outside Philadelphia PA

Do a search or post in the tech section. There are threads where others have reported that some of the cold air intake systems had irregular turbulent flow that caused the MAF to have fits.

Feb 24, 2011 | 09:40 PM

Justasheet

Melting Slicks

Joined: Sep 2008

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Quote:

Originally Posted by Cor430vette

Stock ...yep. But a Killer Bee and axel back exhuast shouldnt need a tune...??

I'm not an expert but your car is breathing a whole lot better now with your mods. I would get a tune. They should be able to fix that stumbling you described pretty easily and get you a few more ponies at the same time.

Also, do what EDinPa said and post this in the Tech section.

Feb 24, 2011 | 09:51 PM

Cor430vette

Thread Starter

Melting Slicks

Joined: Jan 2009

Posts: 2,466

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From: Texas

How do I move this to the tech section? Or should I just delete it and star another over in tech??

Feb 24, 2011 | 11:50 PM

C7&7

Le Mans Master

Joined: Mar 2010

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From: DFW TX

Quote:

Originally Posted by Cor430vette

Are you running the FAST 102 by chance? Does the idle stumble just sitting at idle or is it stumbling at clutch in when you move? I has this issue with clutch in with the Fast 102. I had to add 5% to the air table in neutral.