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Help locating engine components


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I need to locate the Idle Air Control, the MAP, the TPS and the oil pressure sender on my Monsoon 335 EFI motor the boat is an '03 RLXi.

Can anyone help with this. I have looked to Indmar's web site but all that info is dealer only.


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Oh, don't say that. There's lots of folks here who will just take pictures and put arrows to the parts. Hang tight. I'd do it myself if I knew where they all were!

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I'd go get pics, but it is dark and raining here at the moment. In the meantime:

The TPS sensor should be located right on the shaft of the throttle blade (follow your throttle cable to the end), probably on the port side of the throttle body. Should have 3 wires going to the connector.

The IAC valve should be located close by the TPS, on the engine side (vs. the air filter side) of the throttle blade. Again, I think this device has 3 wires going to it.

IIRC, the oil pressure sensor should be located near your oil filter. Sensor has 3 wires, oil pressure switch probably has a single wire connected to it.

Don't remember seeing the MAP sensor in any readily visible location. But it most likely sits on top of the engine mounted to the intake manifold, underneath the big cover with the Monsoon 335 emblem, towards the back (throttle end) of the motor.

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Thanks sunrise.

Easy enough and what I had predicted, but just wanted some confirmation.

One last question.

Since mt guages are reading 0 oil pressure. Is there an easy way to verify that I do have some oil pressure and the the sender/wiring is probably the culprit?

Appreciate it.

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The oil pressure sensor I belive is actually in the rear of the motor, just forward of the transmission on the top side. At least it was on my 310hp.

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