
The catalytic converter is installed in the exhaust system. It serves as a catalyst to reduce HC, CO and NOx in exhaust gases, thus providing cleaner exhaust.
To avoid damage to the catalytic converter:
. Keep your engine tuned-up. If you feel the engine running rough (misfiring, backfiring or incomplete combustion), have your vehicle checked and repaired by an authorized SUBARU dealer.
WARNING
The exhaust gas is very hot.
Engine exhaust gas (carbon monoxide)
Periodic inspectionsFuel requirements
The Subaru Ascent engine is engineered to operate efficiently on unleaded gasoline
with an octane rating of at least 87 AKI (90 RON). Using the correct fuel ensures
optimal performance, fuel economy, and engine longevity.
NOTE
When towing with the Subaru Ascent, it is advisable to use higher-o ...
Removal
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)(H4DO) > EGR CoolerREMOVAL1. Disconnect the ground cable from battery.2. Drain engine coolant. Engine Coolant > REPLACEMENT">3. Remove the center exhaust pipe. Center Exhaust Pipe > REMOVAL">4. Lower the vehicle.5. Remove the ...
Inspection
LIGHTING SYSTEM > Back-up Light SystemINSPECTION1. CHECK BACK-UP LIGHT SWITCH (MT MODEL)Refer to “INSPECTION” of the “Switches and Harness” in “MANUAL TRANSMISSION AND DIFFERENTIAL” section. Switches and Harness > INSPECTION">2. CHECK INHIBITOR SWIT ...