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sputtering issue above 6k?

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Old 11-03-2010, 09:56 AM
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sputtering issue above 6k?
I recently got my car tuned with no issues. Two days ago when I was getting on it after 6k rpms it cut power. It feels like it pulls hard until then. What could be causing this? I don't think my clutch is slipping because it doesn't not continue to rev it just feels like I'm getting cut 100 horsepower. My car has 22k and the motor was replaced under warranty when a bad tune caused my head to go lean but I've had no issues since replacement. Any insight?
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Old 11-03-2010, 11:43 AM
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Might help to list your mods. Do you have a walbro?
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Old 11-03-2010, 12:13 PM
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I have el headers with an up pipe a turbo back a walbro and an ap for tuning
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Old 11-03-2010, 12:17 PM
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Sounds like fuel cut. or its cutting timing. I would call your tuner. Most plases are more than happy to log it, look at it, and make neccessary adjustments.
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Old 11-03-2010, 12:54 PM
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Mine only sputters above 6k when i'm in 3rd gear. In school zones. I doubt this helps you one bit.
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Old 11-03-2010, 02:22 PM
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Originally Posted by shayhan27
sounds like fuel cut. Or its cutting timing. I would call your tuner. Most plases are more than happy to log it, look at it, and make neccessary adjustments.
+1...
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Old 11-03-2010, 02:31 PM
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Is it protuned or a tune from the ap?
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Old 11-03-2010, 02:38 PM
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Originally Posted by Shayhan27
Sounds like fuel cut. or its cutting timing. I would call your tuner. Most plases are more than happy to log it, look at it, and make neccessary adjustments.
+1 had the same issue, had it logged, runs great
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Old 11-03-2010, 02:41 PM
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It was pro tuned and ok I'll hit them up and see what's going on. I also noticed that there was a puff of smoke coming out of my exhaust on startup and more then average oil consumption. Could a messed up turbo be the culprit?
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Old 11-03-2010, 02:42 PM
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Originally Posted by 04caliwrx
Is it protuned or a tune from the ap?
+1 thatll make a difference
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Old 11-03-2010, 03:46 PM
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Although it's probably not likely, but a simple thing that almost everyone overlooks and can totally cause that kind of problem is by having a bad connection to your battery! My car's negative terminal was just loose enough to where it wouldn't stay 100% connected and would make the car nose dive with the amount of power that was lost instantly due to the bad ground.


The plastic piece that you need on your terminal connectors (when you tighten them down, the plastic piece that allows you to tighten it all the way, when the plastic piece is overtightened or lost the terminal connector doesn't tighten fully, which could just be like 2%, but that's enough!) has to be present so you can tighten both the negative and positive terminals until they are TIGHT and your battery is secure.


I never knew that a bad ground could rob a car of so much power so instantly! Needless to say, it took 3 mins to fix.
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Old 11-03-2010, 09:14 PM
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High oil consumption equals bad rings/lands.
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Old 11-03-2010, 09:29 PM
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Originally Posted by Papa Bear
It was pro tuned and ok I'll hit them up and see what's going on. I also noticed that there was a puff of smoke coming out of my exhaust on startup and more then average oil consumption. Could a messed up turbo be the culprit?
Could be a bunch of things. Could be a something minor like a hose came off or something like that.

Just take it back over... if you had it tuned by who we talked about he'll take a look at it for sure. For now... try to keep it out of boost.
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Old 11-03-2010, 10:47 PM
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So who tuned your car? Or is that a secret?
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Old 11-03-2010, 11:22 PM
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Originally Posted by Roo
So who tuned your car? Or is that a secret?
curious minds want to know
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