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Double beep twice, at ignition and during start at Merc 5.0 EFI 2001
FJ96
Member Posts: 30 ✭
Hi!
Since a few days I get an additional double beep during the start of my 2001 Mercruiser EFI with Alpha One.
When I turn on the ignition, the sounder gives a double beep. This is what the engine did from the beginning on. And this double beep instead of one single beep should be standard for the 5.0 EFI with Mefi4. So it was told to me.
Now, when I turn the key from ignition to start, it gives an other doubl beep. But this is only during the start. No beeps any more, while it's running and there's no lack of power.
The only thing is, that the engine starts not so smooth anymore, as it did before.
I have the rinda tool and it shows to faults.
Any idea? Thanks
Cheers
Frank
Since a few days I get an additional double beep during the start of my 2001 Mercruiser EFI with Alpha One.
When I turn on the ignition, the sounder gives a double beep. This is what the engine did from the beginning on. And this double beep instead of one single beep should be standard for the 5.0 EFI with Mefi4. So it was told to me.
Now, when I turn the key from ignition to start, it gives an other doubl beep. But this is only during the start. No beeps any more, while it's running and there's no lack of power.
The only thing is, that the engine starts not so smooth anymore, as it did before.
I have the rinda tool and it shows to faults.
Any idea? Thanks
Cheers
Frank
Frank / Fiesta Vee 242 2001 / 5.0 EFI / Germany
Comments
But I wonder if it's a problem of low voltage caused by a bad connection of the ignition wire or the ground wire.
Just checked the pins at the engine harness plug and wided them a little.
1. Main battery switch voltage at battery and voltage at startor are the same. Seems to be ok.
2. opened the dash to reach ignition key. turned on ignition and bridged ignition and yellow red starter wire to start engine up. The same. Double beep while igition turned on and while starting.
3. put a voltmeter on purpe ignition cable (and ground) and started.
The voltage dropped to approx 9.5 volts during the start.
4. put the voltmeter on red/black plus cable of ignition switch (and ground) and started.
Again the voltage dropped to approx 9.5 volts during start.
5. put the voltmeter direct on battery during start
Starter battery went down to approx 11.5 volts during start
So battery seems to be ok.
Any opinions?
Thanks
Frank
When engine is running, there's no warning anymore. Not this every two minute-beeping...
Boat runs fine so I've just learned to ignore it. Mught be a bad connection to whatever sensor gives IAC info, I don't know.
2018 Cherokee 39RL Land Yacht (Sorry...)
What changed at mine is that idle seems not to be so smooth. So that sounds like IAC too. I've got the IAC from my old block on the boat, as well as a brand new one. I'll try them tomorrow. Since school is still closed because of the virus, I took my son for "boat schooling". So I'm at the boat for the whole week and can test directly.
Cheers
Frank