Troubleshooting - Mitsubishi Stealth 1994 Import Service Manual

25-2
EMISSION CONTROL SYSTEMS
SPECIFICATIONS
GENERAL SPECIFICATIONS
Items
Positive crankcase ventilation system
Evaporative emission control system
Evaporative emission <EVAP> canister
Evaporative emission <EVAP> purge solenoid
Exhaust emission control system
Exhaust gas recirculation system
EG R valve
EGR temperature sensor <California - Non Turbo, Turbo>
EGR solenoid <California - Non Turbo, Turbo>
Catalytic converter
Location <Federal/Canada - Non Turbo>
<California - Non Turbo, Turbo>
SERVICE SPECIFICATIONS
Items
Evaporative emission purge solenoid coil resistance
EGR temperature sensor resistance
EGR solenoid coil resistance

TROUBLESHOOTING

Symptom
Engine hesitates or
poor acceleration
Excessive oil
consumption
Poor fuel mileage
Probable cause
Vacuum hose disconnected or damaged
The EGR valve is not closed
Malfunction of the evaporative emission
purge solenoid
The EGR valve is not closed
Vacuum hose disconnected or damaged
Malfunction of the positive crankcase ventilation
valve
Malfunction of the purge control system
Malfunction of the exhaust gas recirculation
system
Positive crankcase ventilation line clogged
Malfunction of the exhaust gas recirculation
system
Specifications
Closed type with positive crankcase ventilation
valve
Canister storage type
Charcoal type
ON/OFF solenoid valve
Vacuum-activated diaphragm type
Thermistor type
Duty cycle type solenoid valve
Monolith type
Under floor
Right bank, left bank and under floor
Specifications
36 - 44 [at 20°C (68"F)]
60 - 83 [at 50°C (122"F)]
11 - 14 [at 100°C (212"F)I
36 - 44 [at 20°C (68"F)]
Remedy
Repair or replace
Repair or replace
Repair or replace
Repair or replace
Repair or replace
Replace
Check the system; if there is a
problem, check its component parts
Check the system; if there is a
problem, check its component parts
Check positive crankcase ventila-
tion system
Check the system; if there is a
problem, check its component parts