EVAP Leak Monitor Pinched Hose Detected
2017-2024 Jeep Compass 2.4L I4
Description
The PCM EVAP leak detection monitor has found a restriction consistent with a pinched or kinked hose in the evaporative emission control system. The system cannot build or release vacuum at the expected rate.
Symptoms
- Check Engine Light
- Possible fuel odor
- Failed emissions test
Common Causes
- Kinked or crushed EVAP hose
- Collapsed EVAP hose from heat damage
- Blockage in charcoal canister
- EVAP vent valve stuck
- Routing error during previous repair
Diagnostic Steps
- Visually inspect all EVAP hoses for kinks, pinches, or collapse
- Check EVAP hose routing against factory specifications
- Inspect charcoal canister for blockage
- Test EVAP vent valve operation
- Smoke test EVAP system for restrictions
Repair Notes
Locate and replace the pinched or kinked EVAP hose; verify all hose routing is correct.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
P1486 on Other Vehicles
Common Questions
What does code P1486 mean on a 2017-2024 Jeep Compass?
P1486 stands for "EVAP Leak Monitor Pinched Hose Detected". The PCM EVAP leak detection monitor has found a restriction consistent with a pinched or kinked hose in the evaporative emission control system. The system cannot build or release vacuum at the expected rate.
What are the symptoms of P1486 on a Jeep Compass?
Common symptoms of P1486 include: Check Engine Light, Possible fuel odor, Failed emissions test.
What causes P1486 on a 2017-2024 Jeep Compass?
Common causes of P1486 include: Kinked or crushed EVAP hose, Collapsed EVAP hose from heat damage, Blockage in charcoal canister, EVAP vent valve stuck, Routing error during previous repair.