go2ski
Junior Member
Last Activity: 05-16-2022, 01:02 PM
Joined: 04-27-2022
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Pin 29 and the white wire pin for the map sensor have no resistance. When I test the voltage am I back probing pin 29 and putting the other multimeter... -
I read the manual on testing the resistance on the harness and it didn’t say much about the map sensor so I tested the resistance of terminal 29...Leave a comment:
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I used another map sensor I borrowed same type from same engine and it gave me relatively same voltages when testing it with the hose off and didn’t...Leave a comment:
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It was 1.8 mv...Leave a comment:
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Okay I’ll look at the wires and also find a new map sensor. Also if the connection is bad and messing with it doesn’t help, would I have to...Last edited by go2ski; 05-08-2022, 11:49 PM.Leave a comment:
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So the sensor is not working for sure?Leave a comment:
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I am using a craftsman digital mutlimeter the red wire is 4.98v the black wire is 1.8 on the 200mv DC mode and the white wire is 1.83v. The hose is unplugged...Leave a comment:
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The map sensor is connected to the engine the only thing that’s not connected is the hose to the map sensor.Leave a comment:
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The voltage is all 1.7-1.8 on key on engine off and ldle and full throttle on the white wire I did test that.Leave a comment:
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Could you also tell me what the volts on the white wire are supposed to be.Leave a comment:
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05-06-2022, 02:33 PMLeave a comment:
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05-06-2022, 02:30 PMThe white wire reads 1.7-1.8 volts with the hose disconnected I tested that again in gear in idle and off it reads the same. I took a recording with my...Last edited by go2ski; 05-06-2022, 02:35 PM.Leave a comment:
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When I tested the red wire with the multimeter it gave 4-5v the white wire gave 1-2v with the hose off my software didn’t record the sds for some...Leave a comment:
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Also when I do these tests should I do them in the water since that’s when my rpms won’t go above 3000 rpmsLeave a comment:
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Could you explain this a little further what’s the “tacko” and what’s the purpose of unplugging the sensors. Also what do you...Leave a comment:
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redlowrey the throttle does indeed open all the way I took off the intake and looked. I’m not sure if I have the proper equipment to test the map...Leave a comment:
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ECU1984 In the water it runs as it would if you wanted it around 3000 rpms, out of the water it sounds perfectly fine when in wot.Leave a comment:
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So for some reason now it runs fine out of water and when put in the water something is limiting the rpms again. I have recorded the engine service data...Leave a comment:
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I have checked all fuel lines and the fuel definitely has pressure and spark plugs are new. The oil is fine I check that too and the oil pressure switch...Leave a comment:
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