EVAP Leak Monitor Pinched Hose Detected
2016-2016 Ram 1500 5.7L V8 Hemi
The 2016 Ram 1500 is equipped with a 5.7L V8 engine. Below you'll find detailed p1486 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1486 on Other Vehicles
Common Questions
What does code P1486 mean on a 2016-2016 Ram 1500?
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 Ram 1500?
Common symptoms of P1486 include: Check Engine Light, Possible fuel odor, Failed emissions test.
What causes P1486 on a 2016-2016 Ram 1500?
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.
Last updated: March 2026
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