Trouble Check Chart
Outboard Starts, Low Maximum RPM
T-443
T
Outboard Starts, Low Maximum RPM
Excessive Smoking
OBSERVATION
POSSIBLE CAUSE
PROCEDURE
SystemCheck
light
Outboard is in
S.A.F.E.
Access
EMM
fault codes and
check
SystemCheck
warning
Setup or rigging
change
Incorrect propeller
Refer to specifications,
check recommended WOT
RPM; water test and install correct pitch propeller
Incorrect outboard mounting
height
Refer to installation guidelines
Performance of
outboard at lower
speeds appears
normal
Throttle plate opening
Check throttle plate and WOT opening
Incorrect, fouled, or worn spark
plugs
Replace spark plugs
Contaminated or poor quality
fuel
Check or replace fuel supply
Fuel supply restricted
Check anti-siphon valve, and fuel pick-up, check
for fuel system air leaks
Low alternator output (55 V)
Check voltage on 55 V circuits, refer to
System
Analysis
and
Electrical and Ignition
Weak or erratic ignition
operation
Check ignition, refer to
System Analysis
and
Electrical and Ignition
Fuel injector electrical circuit or
control function
Check voltage at injectors, refer to
System
Analysis
Restricted or leaking fuel
injectors
Check injectors, refer to
Fuel System
Low fuel pressure
Check circulation pump operation, refer to
Fuel
System
EMM
programming, timing, or
operation
Check
EMM
program and timing;
check injector
coefficients; and monitor injector circuits and
ignition primary outputs
Restricted engine exhaust
Check and repair as needed
OBSERVATION
POSSIBLE CAUSE
PROCEDURE
May coincide with
increased oil
consumption
(normal if occurs after
winterization)
Contaminated or poor fuel
Check or replace fuel supply
Excessive fuel or oil
consumption
Check fuel system for fuel supply air leaks or
leaking fuel injectors
Outboard in break-in mode
Use diagnostic program to confirm
Outboard mounted too low
Check installation height of outboard
Vapor separator vent
Check vapor separator assembly for proper
venting/float valve operation
Faulty/leaking fuel injector(s)
Check injectors, refer to
Fuel System
Damaged fuel lift pump
Check for internal leaks
Содержание E 250 L HO AG B
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Страница 276: ...276 Powerhead Powerhead Views Front Frame Removed 009379...
Страница 277: ...Powerhead Powerhead Views 277 11 Front Frame Installed 009378...
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