2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 199Get this manual

2003+ Mercury Mariner 225 HP EFI 4-Stroke Service Manual, Page 199

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THEORY OF OPERATION
- Throttle position sensorIAC hoseMap sensorIAC motorThrottle body

90-888465 JUNE 2002

Page 3A-5

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