bbakernbay
Seaman Apprentice
- Joined
- May 3, 2012
- Messages
- 34
The last two cold starts the engine fired up on first turn of the key but immediately went into higher rpm mode, so much so that it gives a unfriendly noise when shifted into gear due to high idle speed.
The first trip started out okay but then tach RPMs started jumping around and eventually the engine slowed down and we managed to limp into Marina.
This morning with another cold start, same thing with idle RPMs high immediately after I started engine on first turn of the key. This time I turned off key and immediately restarted the engine and everything was back to normal, purring quietly at idle, no issues at any speed including full throttle.
What is the likely cause of this issue.
Engine has very low hours on it.
Gas is fresh with Stabil, Yamalube Ring Free and STP Fuel Injector Cleaner.
The first trip started out okay but then tach RPMs started jumping around and eventually the engine slowed down and we managed to limp into Marina.
This morning with another cold start, same thing with idle RPMs high immediately after I started engine on first turn of the key. This time I turned off key and immediately restarted the engine and everything was back to normal, purring quietly at idle, no issues at any speed including full throttle.
What is the likely cause of this issue.
Engine has very low hours on it.
Gas is fresh with Stabil, Yamalube Ring Free and STP Fuel Injector Cleaner.