Subaru Legacy BN/BS (2015-2019) Service Manual: Idle speed inspection
1. Before checking the idle speed, check the following item: (1) Check the air cleaner element is free from clogging, ignition timing is correct, spark plugs are in good condition, and hoses are connected properly. (2) Check the malfunction indicator light does not illuminate. 2. Warm up the engine. 3. Read the engine idle speed using Subaru Select Monitor. Subaru Select Monitor > OPERATION NOTE: • Idle speed cannot be adjusted manually, because the idle speed is automatically adjusted. • If idle speed is out of standard, refer to the General Diagnosis Table under “Engine Control System”. Basic Diagnostic Procedure (1) Check the idle speed when no-loaded. (Headlight, heater fan, rear defroster, radiator fan, A/C and etc. are OFF) Idle rpm (no load and select lever in “P” or “N” range): Standard 700±100 r/min (2) Check the idle speed when loaded. (Turn the A/C switch to ON and operate the compressor for at least one minute before measurement.) Idle speed (A/C ON and select lever in “P” or “N” range): Standard 700 — 910±100 r/min |
Fuel pressure inspection
1. Remove the collector cover.(1) Carefully pull up the rear of collector cover at two positions (A).(2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.2. ...
Ignition timing inspection
CAUTION:After warming-up, engine becomes very hot. Be careful not to burn yourself at measurement.1. METHOD WITH SUBARU SELECT MONITOR1. Before checking the ignition timing, check the following item:( ...
Other materials:
Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. Lift up the vehicle.3. Remove the front exhaust pipe. Front Exhaust Pipe > REMOVAL4. Apply spray-type lubricant (004301003) or equivalent to the threaded portion of rear oxygen sensor, and leave it for one minute or more.5. Remove the r ...
