Thread: Misfire Misery
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Old 06-08-2021, 01:31 PM
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Originally Posted by Briansbummerbmw View Post
I had tried to clean secondary air flow and pump is coming on, it sounds like a jet at start up. I was thinking that would only be a cold start issue but might as well check for clogs etc in that. Codes are for random misfire and cylinder misfire on 1 and 5. 1419 is secondary air situ. I'll check that out after work tonight. Thanks guys.
Sounds like your pump is failing. Common problem after 100,000 miles. Mine went out and sounded just like yours. Jet taking off from my garage was loud enough for my neighbors to hear.
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