SERVICE MANUAL NUMBER 26
TROUBLESHOOTING
Carburetor Malfunction (continued)
A. Accelerator pump
B. Leaking gaskets
C. Automatic choke
D. Power piston or power valve
E. Throttle valves
Hesitation or acceleration flatness
F. Throttle body heat passages plugged
G. Main metering jets
H. Float adjustment
I.
Secondary air valve wind-up
A. Main metering jets
B. Leaking gaskets
C. Float adjustment
D. Saturated float
Engine surges
E. Power piston or valve
F. Throttle valves
A. Power piston or valve
B. Float adjustment
C. Main metering jets
D. Leaking gaskets
Low top speed or lack of power
Poor cold engine operation
A. Idle rpm too low
B. Idle mixture screws
C. Throttle valves
D. Automatic choke
E. Engine flooding
A. Idle rpm too low
B. Idle mixture screws
C. Engine flooding
D. Automatic choke
E. Dirt in carburetor
F. Accelerator pump
G. Leaking gaskets
Refer to “Engine Starts Hard”
Engine stalls
Hard starting
Index
90-861329--1
MARCH 1999
Page 1C-17
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 181 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(6 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 5.0 out of 5.0 based on 6 product reviews. Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good
great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.
Great resource. Excellent information provided.
Need help to install automate choke
Need help to instal automate choke