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Idle air control and tps sensors
- bud37
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Idle air control and tps sensors
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- CYO Supporter
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- Vessel Info: 1989 Carver 3807 Aft Cabin
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Re: Idle air control and tps sensors
bud37 wrote:Source of the post After replacing one or both of these sensors , is there a procedure to tell the ecu ( mefi 3-4 ) it has a new sensor...
No, however if there is a fault code, the code must be cleared or it may be operating in default mode rather than using active inputs.
- bud37
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Re: Idle air control and tps sensors
Other question is can the fault codes be cleared by key switches , just disconnecting the battery, or do I need a code reader??.....
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- Scurvy Dog
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Re: Idle air control and tps sensors
- bud37
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Re: Idle air control and tps sensors
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- Scurvy Dog
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- Location: 1000 Islands Canada
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Re: Idle air control and tps sensors
- bud37
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Re: Idle air control and tps sensors
- Midnightsun
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2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
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Re: Idle air control and tps sensors
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Re: Idle air control and tps sensors
For a MEFI, you should consider purchasing a CodeMate from Rinda. They're not expensive but are invaluable in checking for codes and clearing them. Every MEFI boat should have one on board. They give a series of flashing LEDs to indicate which codes are active. There are more expensive units that have text and menus allowing you to perform some diagnostics but they can get pricey.
BTW, once replaced, I've never had any Merc IACs fail in short order. Can you get an automotive replacement? Probably, they're not made by Merc so I'm sure they're interchangeable and likely made by the same manufacturer. If you're going that route, just make sure it's the exact same spec and that it doesn't just look the same or it won't function as it should. The computer is counting on it meeting a certain spec as it must achieve a travel distance based on the signal count the computer delivers to open or close a certain amount. It must be precise.
- bud37
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Re: Idle air control and tps sensors
Regarding the scan tool, I really would like to get one and will....sent an e mail to Rinda to see if they had anything in the works for Macs and have been asking around to see if anyone is selling their diagnostics stuff but no luck there.I really wonder if you had the adaptor would an OBD code reader work (got one of those).
Engines run great except for that intermittent stall, I will clean everything in the spring and go from there, just thought to get some spares......
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