P1486moderate severityPowertrain
EVAP Leak Monitor Pinched Hose Detected
on 2002 Dodge Dakota 2.5L I4 · 4WD
What this code means
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.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1