89
486 PL ENGINE
P
Sr. Problem Observed
Probable Cause
Action to be taken
no.
10.
Engine vibrations
a) Intake manifold leakage
a) Check & rectify
at idle
b) Idle speed actuator faulty
b) Check & rectify
c) Fault with engine management
c) Check for any EMS fault using blink
system (EMS) signals / sensors
code method or KTS300. Take
or wiring harness.
corrective action accordingly.
11.
High oil
a) Clogged air filter
a) Check & replace
consumption
b) Worn out piston rings or seized b) Overhaul & replace affected parts
pistons
c) Valve guide seals leaking
c) Check & replace
d) Worn out valve guide
d) Check & replace
e) Faulty / damaged PCV Valve
e) Check & replace.
12.
Engine Over
a) Radiator fan (Electric fan)
a) Check & rectify
Heating
not working (Both fan should be
in operation)




