SSANGYONG Rexton Y200 Manual page 456

Failure
Description
Code
Random / Multiple
Misfire
68
Circuit Description
The ECM monitors the crankshaft and camshaft positions to detect if the engine is misfiring. The ECM looks for
a quick drop in crankshaft speed. Misfire multiple cylinder is monitored by engine roughness measuring. The
actual roughness value is compared with the actual (emission and catalyst damage) threshold.
SSANGYONG Y200
Trouble Area
When detection misfire of
multiple cylinder for source of
over the emission
threshold or catalyst damage
M162 ENGINE CONTROLS 1F1-25
Maintenance Hint
•
Inspection the ignition system
•
Inspection the injection system
•
Inspection the fuel pressure
•
Inspection the compression pressure
•
Inspection the valve timing or clearance
•
Inspection the air flow sensor
•
Inspection the crankshaft position sensor
and air gap
•
Inspection the engine wiring system
•
Inspection the Engine Control Module
(ECM)
YAD1F210