Installation
AdjustmentDtc p0456 evap system (cpc) leak detected (very small leak)
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0456 EVAP SYSTEM (CPC) LEAK DETECTED (VERY SMALL LEAK)NOTE:For the diagnostic procedure, refer to DTC P0455. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0455 EVAP SYSTEM (CPC) LEAK DETE ...
Intake manifold vacuum Inspection
MECHANICAL(H4DO) > Intake Manifold VacuumINSPECTION1. Turn the ignition switch to OFF.2. Warm up the engine.3. Install the vacuum gauge.(1) Remove the brake booster vacuum hose from the intake manifold.(2) Connect the vacuum gauge to the intake manifold.4. Keep the engine at idle speed and read t ...
Engine exhaust gas (carbon monoxide)
WARNING
Never inhale exhaust fumes from your Subaru Ascent.
Exhaust gases contain carbon monoxide, an invisible and odorless gas that
can cause serious injury or death if inhaled.
Regularly inspect and maintain the exhaust system to prevent gases from
entering the cabin.
Never ...