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Engine surges when warm

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Old 04-19-2016, 01:05 PM
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Originally Posted by BUP
If he has the OEM service manual or google it they Merc have a testing procedure for knock sensor and knock module right after for the T bolt V ignition testing flow chart.

Knock sensor install is 12 to 16 ft lbs no more and nor less installed per Merc specs. I just did one on a 350 HO mag.
What symptoms did you have on the one you replaced?
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Old 04-19-2016, 01:28 PM
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lagging and seemed not crisp throttle response
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Old 04-25-2016, 08:53 AM
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Knock sensor fixed the problem.
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