Mitsubishi Eclipse 1990 Service Manual page 464

I
PROBLEM SYMPTOMS TABLE (FOR YOUR
Items
Starting Won't
Fires up and dies
Hard starting
Idling Hunting
stability
Rough idle
Incorrect idle speed
Engine stall (Die out)
Engine stall (Pass out)
Hesitation
acceleration
on
1 Hesitation Hesitation
Fig.
Vehicle
speed
Time
E N G I N E
Symptom
The starter is used to crank the engine, but there is no combustion
within the cylinders, and the engine
There is combustion within the cylinders, but then the
stalls.
Engine starts after cranking a while.
Engine speed doesn't
Usually, a judgement can be
tachometer pointer, and the vibration transmitted to the
wheel, shift lever, body, etc. This is
The engine doesn't idle at the usual correct Speed."
The engine stalls when the foot is taken 'from
regardless of whether
The engine stalls when the accelerator pedal is depressed
is being used.
"Hesitation" is the delay in response of the vehicle speed (engine
speed) that occurs
accelerate from the speed at which the vehicle is
temporary drop in vehicle speed (engine speed)
Serious hesitation is called "sag". (Refer to
Poor acceleration is inability to obtain an
to the degree of throttle opening, even though acceleration is smooth,
the inability to reach maximum speed.
Engine speed increase is delayed when the
depressed for acceleration. (Refer to Fig. 2)
feeling of a comparatively large impact or
is accelerated or decelerated.
is acceleration and deceleration feel usually at steady,
hrottle cruise. Most notable under light loads.
sharp sound like a hammer striking the cylinder walls during driving
which adversely affects driving.
condition in which the engine continues to run after the ignition
is turned to OFF. Also called "Dieseling".
I Revision
.
constant;
upon the
rough idle.
vehicle is moving or not.
accelerator is depressed in order to
1)
,
Fig. 2
Normal
Vehicle
speed
Idling
I
Time
idle.
of
pedal,
pedal is
when the
Stumble