FUEL INJECTION SYSTEM TROUBLESHOOTING
SERVICE MANUAL NUMBER 24
Scan Tool Normal Specifications
(Idle / Warm Engine / Closed Throttle / Neutral)
Scan Position
Units Displayed
Typical Data Value
600-700 rpm
rpm
rpm
rpm
Desired rpm
600 or 650 rpm - Depends on Model2
Coolant Temp.
Manifold Air Temp.
Throttle Position
Throttle Angle
° F(° C)
° F (° C)
Volts
150-170° F (66-77° C)
Varies with Ambient Temperature
.4 to .8 Volts
0-100 %
0-1%
1-3
Vacuum and Baro Pressure)
Volts or (45-55 kPa) (Depends on
MAP
Baro
Volts or kPa
Volts or kPa
3-5
Volts (Depends on Altitude and
Barometric Pressure)
12.0-14.5 Volts
-10 to 30°
Bat
Volts
Spark Advance
Degrees
Knock Retard
Degrees
0°
Idle Air Control IAC
Minimum IAC Position
Idle Air Control Follower
Injector Pulse Width
Counts (Steps)
Counts (Steps)
Counts (Steps)
msec.
0-40 Counts
0-40 Counts
0 Counts
2-3 msec.
2.5–3.5
Temperature)
msec. (Depends on Water/Air
Injector On Time Cranking
msec.
Fuel Consumption
Time From Start
GPH (L/h)
1-2 GPH(3.7-7.5 L/h)
Varies
0:00:00-1092:00
Memory Calibration
Check Sum
Calibration and Check
Sum
Varies with Software revision in ECM
Oil Press/IO Level1
OK/LO
OK
Engine Overtemp
OK/Overheating
OFF/ON
OK
Lanyard Stop Mode
OFF
1
2
: MCM will read I/O Level and MIE will read Trans.
: Refer to “Engine and Tune-Up Specifications.”
Index
Page 5F-2
90-861327--1 OCTOBER 1999
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