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Is this engine coolant on my spark plugs? P0300

Another weird thing it’s doing. On a cold start, it revs really damn high for a good 3-4 seconds. I mean like almost 2000rpms. Then it’ll settle down to around

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Old 11-02-2021, 03:24 PM   #24 (permalink)
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Another weird thing it’s doing. On a cold start, it revs really damn high for a good 3-4 seconds. I mean like almost 2000rpms. Then it’ll settle down to around 1200rpm. Then eventually it’ll settle down to around 750-800rpm so long as the code isn’t active. If I don’t clear the code it idles around 1200ish, per normal P0300 idle.

Also, between upshifs, I feel like the revs are hanging up longer than normal. Like it takes the RPMs longer to drop than it normally does
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Last edited by Cory Gillmore; 11-02-2021 at 03:41 PM.
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