Grinding on Start Up!!!CTR Rev Matching and Emissions Issues w/Check Engine light AGAIN.

CivicTypeRMan

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CTR Rev Matching and Emissions Issues w/Check Engine light AGAIN.
Unfortunately this will be the 3rd time with issues. The infamous light illuminated again. However, this was much different. I pushed the clutch in and pressed the start button, the car immediately sounded like the starter and flywheel weren't mating properly. A large metallic grinding sound continued until the engine turned over from about three rotations. The Rev match and Check Engine light appeared and I cut the car off. I started the car again with no issue. I'll be taking it to Honda on Monday. I'll let ya'll know what code it popped and how they are addressing the problem.***UPDATE***... Didn't get the code, however, it was a detonation issue that resolved itself. TYSBJ. And NO, I DIDN'T OVER REV IT...



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Acurately

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have you over-reved it recently, or at least redlined it before this startup?
 
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CivicTypeRMan

CivicTypeRMan

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have you over-reved it recently, or at least redlined it before this startup?
No, I moved it out from my garage. It sat for a day and then I started it up and the fault happened .
 

TypeRinATL

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Yep, this is the starter ring disconnecting from the flywheel. Looks like it’s becoming a common issue on these cars unfortunately.

:thumbsdown:
 

NorthernEX-T

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You must have over-revved it.
 

Skate1530

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Will full throttle shifting lead to this?
 

leehom

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How is it possible to over rev on down shifts if rev matching is on? Or does rev match only work on shifts going up?
 

Driveitlikeuboughtit

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How is it possible to over rev on down shifts if rev matching is on? Or does rev match only work on shifts going up?
A money shift is all mechanical - the rev matching works by revving when you drop the shifter into a gear. Your clutch is still out though, so you're in neutral. The rev match won't over-rev, but if you drop it in to 2nd gear and you're going 80, if you let go of the clutch you will mechanically over-rev. No stopping that.
 

EnjoyDriving

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What is the limit for over rev? Beyond the red mark right? Its really hard to over rev unless u totally forget to shft or down shift to a wrong gear, or felt asleep at wot?
 

                           

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