SERVICE MANUAL NUMBER 24
FUEL INJECTION DESCRIPTIONS AND SYSTEM OPERATION
FUEL DAMPER
The fuel damper acts as an equalization device to reduce the pressure spikes caused by
the fuel injectors.
a
76499
a - Fuel Damper
IDLE AIR CONTROL (IAC) VALVE
The purpose of the IAC valve assembly is to control engine idle speed, while preventing
stalls due to changes in engine load. The IAC valve, mounted in the throttle body, controls
bypass air around the throttle valves.
a
72800
c
b
a
IAC Valve Air Flow Diagram
a - IAC Valve
b - EFI Throttle Body
c - Air Flow
Index
90-861327
OCTOBER 1999
Page 5D-29
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
Model Year | 1998, 1999, 2000, 2001 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Great performance engine.
Class 1