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'06 LS2 surging - MAF/intake issue?
My 2006 LS2 6mt car has been having issues with very subtle surging on light throttle input. I believe I have narrowed it down to an issue with the MAF or cold air intake as unplugging the MAF fixes the issue and overall improves the feel of the car dramatically.
Has anyone experienced this before, and if so what was your solution? Only current mods are SLP Blackwing CAI and 1-7/8th headers with a tune from Doug at ECS. So far have done the following:
Update! I manged to get a my hands on a stock LS2 intake and swapped it on to test the intake theory. It is 100% better now, zero surging and no other changes made. This issue has been confirmed by many now to be attributed to bad airflow hitting the MAF caused by aftermarket intakes. |
Have you cleaned the MAF with MAF cleaner yet? That's step one, along with making absolutely certain all of the connection points between the filter and throttle body are tight and not sucking air.
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Originally Posted by BadAV
(Post 1601544347)
Have you cleaned the MAF with MAF cleaner yet? That's step one, along with making absolutely certain all of the connection points between the filter and throttle body are tight and not sucking air.
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Stock cam, or some wild aftermarket cam that is causing the surging all on its own low rpm instead?
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Originally Posted by Dano523
(Post 1601546815)
Stock cam, or some wild aftermarket cam that is causing the surging all on its own low rpm instead?
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small exhaust leak sucking in unmetered air
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Originally Posted by irok
(Post 1601547668)
small exhaust leak sucking in unmetered air
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Exhaust manifold gasket at the cylinder head.Once at WOT will clear up as car goes into open loop and ignores data from 02 sensors.Did you use the factory multi layered steel gaskets?Check your 02 sensors pigtail and any extensions for damage
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Originally Posted by irok
(Post 1601551815)
Exhaust manifold gasket at the cylinder head.Once at WOT will clear up as car goes into open loop and ignores data from 02 sensors.Did you use the factory multi layered steel gaskets?Check your 02 sensors pigtail and any extensions for damage
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The 02 sensor's should set a code but sometimes no codes present
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Originally Posted by Matticus91
(Post 1601544294)
My 2006 LS2 6mt car has been having issues with very subtle surging on light throttle input. I believe I have narrowed it down to an issue with the MAF or cold air intake as unplugging the MAF fixes the issue and overall improves the feel of the car dramatically.
Has anyone experienced this before, and if so what was your solution? Only current mods are SLP Blackwing CAI and 1-7/8th headers with a tune from Doug at ECS. So far have done the following:
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Originally Posted by Matticus91
(Post 1601544294)
My 2006 LS2 6mt car has been having issues with very subtle surging on light throttle input. I believe I have narrowed it down to an issue with the MAF or cold air intake as unplugging the MAF fixes the issue and overall improves the feel of the car dramatically.
Has anyone experienced this before, and if so what was your solution? Only current mods are SLP Blackwing CAI and 1-7/8th headers with a tune from Doug at ECS. So far have done the following:
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Originally Posted by irok
(Post 1601557073)
The 02 sensor's should set a code but sometimes no codes present
Originally Posted by FactoryZ51
(Post 1601562478)
could be your ignition coils. I replaced mine after 16 years on the oems. Found new inexpensive oems on ebay.
Originally Posted by 1RFLMAN
(Post 1601567214)
Could be something in the tune causing the surging isue. Upload the stock tune back into the ECM and test drive it to compare driveability then... can't hurt.
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