Idle Mixture - Subaru IMPREZA 2002 Service Manual

IDLE MIXTURE
Engine idle speed
PERIODIC MAINTENANCE SERVICES
co
13.Idle Mixture
A: INSPECTION AND ADJUSTMENT
1. IDLE MIXTURE
Before measuring the idle mixture, make sure that
the ignition timing and the engine idle speed are
within specifications.
1) Set the gear position at "Neutral" for MT, or "N" or
"P" for AT.
2) Warm up the engine sufficiently until cooling fan
starts to operate.
3) Measure the idle mixture with the CO meter.
700+100 rpm
1.0+0.5%
I
I
GI01 14A
1
NOTE:
If driving the vehicle on out of specified data, the
"trouble code 49" is indicated in many case.
PM-20