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koates · 11-01-2021, 02:45 AM

Connect a test vacuum gauge to your intake manifold and check the readings against the test chart. That is an approved way of diagnosing problems. Regards, Kevin.

11-01-2021, 02:45 AM	#2
koates Senior Member Join Date: May 2010 Location: Melbourne Australia. Posts: 2,218	Re: Lean MisFire Connect a test vacuum gauge to your intake manifold and check the readings against the test chart. That is an approved way of diagnosing problems. Regards, Kevin.