496 HO Twin engine issue - 1 side over revving
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496 HO Twin engine issue - 1 side over revving
I keep getting a warning beep and my engine cut power on my starboard engine. This has been ongoing ... the rpm on that engine is near 5000 while the other engine is much less around 4500-4600 range. When I had the port engine full throttle and the high rpm engine not even full throttle like 80-90 percent throttle. Could a throttle cable need adjusted or what would cause the rpm to be so high and hitting limiter at less than full throttle that side?
Engines have 300 hours on them all pressures n temps appear normal. Any help or suggestions?
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prop issue?
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#6
Could be a multitude of issues.
1) Make sure drive trim is adjauated so they both match on the indicators.
2). Make sure neither engine is in Guardian mode. You will need a scanner, SmartCraft, or software for this.
3) Borrow a pair of props and see if it still acts similar.
Same pitch would be ideal, but not required. One or both of your props could be bent.
4) Make sure both throttles are adjusted properly with the Merc Took, and are opening the throttle bodies fully and evenly. You will need a scanner or software to watch the TPS sensor value with ignition on, engine off.
5) You could have a neutral safety switch Issue too.
1) Make sure drive trim is adjauated so they both match on the indicators.
2). Make sure neither engine is in Guardian mode. You will need a scanner, SmartCraft, or software for this.
3) Borrow a pair of props and see if it still acts similar.
Same pitch would be ideal, but not required. One or both of your props could be bent.
4) Make sure both throttles are adjusted properly with the Merc Took, and are opening the throttle bodies fully and evenly. You will need a scanner or software to watch the TPS sensor value with ignition on, engine off.
5) You could have a neutral safety switch Issue too.