Genie S-40 Service Manual page 160

October 2013
Code Problem
111 Closed Loop Multiplier
High (LPG)
112 HO2S Open/Inactive
(Bank 1)
113 HO2S Open/Inactive
(Bank 2)
114 Post-cat oxygen
sensor open
121 Closed Loop Multiplier
High (Gasoline)
122 Closed Loop Multiplier
Low (Gasoline)
124 Closed Loop Multiplier
Low (LPG)
133
Gasoline cat monitor
134
LPG cat monitor
135
NG cat monitor
141 Adaptive Lean Fault -
High Limit (Gasoline)
142 Adaptive Rich Fault -
Low Limit (Gasoline)
143
Adaptive Learn High
(LPG)
144 Adaptive Learn Low
(LPG)
Part No. 102521
Cause
Heated Oxygen Sensor wiring and/or
connections open or shorted OR sensor is faulty
OR there are vacuum leaks or exhaust leaks.
Heated Oxygen Sensor wiring and/or connections
open or shorted OR sensor is faulty.
Heated Oxygen Sensor wiring and/or connections
open or shorted OR sensor is faulty.
The post cat Heated Oxygen Sensor wiring
and/or connections are open or shorted OR
sensor is cold, non-responsive or inactive for
60 seconds or longer.
Heated Oxygen Sensor wiring and/or
connections open or shorted OR sensor is
faulty OR there are vacuum leaks or exhaust
leaks OR fuel pressure is low OR the fuel
injectors need cleaning or replacing.
MAP, IAT or ECT sensors not in correct position
OR wiring and/or connections for sensors open
or shorted OR sensor is faulty OR one or more
fuel injectors are stuck open OR there is
electro-magnetic interference from a faulty
crankshaft and/or camshaft position sensor.
Heated Oxygen Sensor wiring and/or
connections open or shorted OR sensor is
faulty OR fuel quality is poor OR fuel system
components may be faulty.
There are exhaust leaks OR the catalyst system
efficiency is below the acceptable level.
Heated Oxygen Sensor wiring and/or
connections open or shorted OR sensor is
faulty OR there are vacuum or exhaust leaks
OR one or more fuel injectors faulty or stuck
closed OR fuel quality is poor OR fuel
pressure is too low.
MAP, IAT or ECT sensors not in correct position
OR wiring and/or connections for sensors open
or shorted OR sensor is faulty OR one or more
fuel injectors are stuck closed OR there is
electro-magnetic interference from a faulty
crankshaft and/or camshaft position sensor.
Heated Oxygen Sensor wiring and/or
connections open or shorted OR sensor is
faulty OR there are vacuum leaks or exhaust
leaks OR fuel quality is poor OR fuel system
components may be faulty.
Engine wire harness may have an intermittent
short to 5V DC or 12V DC OR fuel system
components may be faulty.
S-40 • S-45
Section 5 • Fault Codes
FAULT CODES
Solution
Repair wiring and/or connections OR replace
sensor OR repair vacuum and exhaust leaks.
Repair wiring and/or connections OR
replace sensor.
Repair wiring and/or connections OR replace
the post cat oxygen sensor.
Repair wiring and/or connections OR replace
sensor OR repair any vacuum and exhaust leaks
OR test the fuel pressure OR clean or replace the
fuel injectors.
Adjust or replace sensors OR clean or repair
fuel injectors.
Repair wiring and/or connections OR replace
sensor OR replace fuel OR test and repair the
fuel system components.
Repair exhaust leaks OR there is an emissions
compliance issue. Contact Ford Power Products
for assistance.
Repair heated oxygen sensor wiring and/or
connections OR replace sensor OR repair
vacuum and exhaust leaks OR test the fuel
pressure OR clean or replace the fuel injectors.
Adjust or replace sensors OR clean or repair
fuel injectors.
Repair wiring and/or connections OR replace
sensor OR repair any vacuum and exhaust
leaks OR replace fuel OR test and repair the
fuel system components.
Repair short in engine wire harness
OR test and repair the fuel system
components.
5 - 7