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Old 06-28-2022, 09:44 PM   #1
16wrxjim
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Default Hesitation bogging around 3k

So was on the highway yesterday in the rain and on my way back home I noticed my 16 Wrx started to hesitate or bog under load. Seems to happen around 3k, car only has 19k miles basic stage 2 mods cars always ran perfect until yesterday. Cleaned the Mass air sensor and cleaned the connectors in the Cobb extension as they are known to have issues. Still know luck. No codes
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Old 06-29-2022, 10:48 AM   #2
jrgiza
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2016 WRX
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Do you happen to know if you have the iWire MAF extension harness or the Cobb branded one? Might be able to see it without pulling everything apart - the one that fails in humid/wet conditions is the Cobb one, the iWire one is sealed to keep moisture out.

And man - I thought I was in good shape with only 72k on my 2016. 19k?
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Old 06-29-2022, 12:14 PM   #3
SuperPete
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I had that issue, cleaning MAF did not help, replaced MAF and it fixed the issue.
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Old 06-29-2022, 01:28 PM   #4
16wrxjim
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Not sure which harness extension it is, it from 2016 so I'm assuming it's the Cobb one. I ordered a new one that is coming tomorrow. Hopefully that solves the issue!
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Old 06-29-2022, 01:29 PM   #5
16wrxjim
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Not sure which harness extension it is, it from 2016 so Iím assuming itís the Cobb one. I ordered a new one that is coming tomorrow. Hopefully that solves the issue!
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