17DHB MPE850 UTV Rev A | 409135 |
5 Troubleshooting with trouble codes
5.2 Description of trouble codes
Trouble code
Displayed fault
Trouble code description
Possible consequences
Affected part/system
► Possible consequences/remedy
P0131 O2 Sensor Circuit Low Sensor 1
Short circuit to ground at part or wire harness.
Loss of power.
Rough engine running.
Sensor lambda 1
► Check wiring in the wire harness to
the affected part. (See the vehicle
manufacturer‘s documentation.)
► Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
P0132 O2 Sensor Circuit High Sensor 1
Short circuit to plus at part or wire harness.
Loss of power.
Rough engine running.
Sensor lambda 1
► Check wiring in the wire harness to
the affected part. (See the vehicle
manufacturer‘s documentation.)
► Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
P0133 O2 Sensor Circuit Slow Response Sensor 1
Sensor lambda 1 regulation too slow.
Loss of power.
Rough engine running.
Sensor lambda 1
► The part is defective caused by aging.
Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
P0171 Fuel System Too Lean
Fueling too lean.
The lambda control works outside of
permissible limits.
Loss of power.
Rough engine running.
The engine stalls.
Sensor lambda 1
► A leaky intake system or exhaust system
can cause the fault. Check the intake
system and exhaust system.
► A too low fuel pressure can cause the fault.
Check the fuel pressure. (See the vehicle
manufacturer‘s documentation.)
► Blocked injectors can cause the fault.
Check the injectors.
► Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
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