Hyundai Tiburon (2003 year). Manual — part 43

TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > General Information >
Troubleshooting, TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > General
Information > Troubleshooting

TROUBLESHOOTING

Symptom

Probable cause

Remedy

Engine will not start or hard to
start

Vacuum hose disconnected or damaged

Repair or replace

Malfunction of the EVAP Canister Purge
Solenoid Valve

Repair or replace

Rough idle or engine stalls

Vacuum hose disconnected or damaged

Repair or replace

Malfunction of the PCV valve

Replace

Malfunction of the evaporative emission
canister purge system

Check the system; if there is a
problem, check related
components parts

Excessive oil consumption

Positive crankcase ventilation line clogged

Check positive crankcase
ventilation system

MFI : Multiport Fuel Injection
EVAP : Evaporative Emission

TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > General Information >
Specifications, TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > General
Information > Specifications

SPECIFICATIONS

Components

Function

Remarks

Crankcase Emission System
Positive Crankcase Ventilation (PCV) valve

HC reduction

Variable flow rate type

Evaporative Emission System
EVAP Canister
EVAP Canister Purge Solenoid Valve

HC reduction

Duty control solenoid valve

Exhaust Emission System
MFI system (air-fuel mixtrue control device)
Three-way catalytic converter

CO, HC, NOx reduction
CO, HC, NOx reduction

Heated oxygen sensor feedback type
Monolithic type

SERVICE STANDARD

Item

Specifications

Evaporative emission canister purge solenoid
valve
Coil resistance

26

Ω

[at 20°C (68°F)]

TIGHTENING TORQUE

Item

Nm

kg·cm

lb·ft

Positive Crankcase Ventilation Valve

8 ~ 12

80 ~ 120

6 ~ 8

TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > Crankcase Emission Control System >
Flow Diagram, TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > Crankcase Emission Control
System > Flow Diagram

COMPONENTS

TIBURON(GK) > 2003 > G 2.7 V6 DOHC > Emission Control System > Crankcase Emission Control
System > Positive Crankcase Ventilation (PCV) Valve > Description and Operation, TIBURON(GK) >
2003 > G 2.7 V6 DOHC > Emission Control System > Crankcase Emission Control System > Positive
Crankcase Ventilation (PCV) Valve > Description and Operation

OPERATION

Intake manifold side (No vacuum)

Rocker cover side

Intake manifold side (High vacuum)

Rocker cover side

Engine condition

Not running

Engine condition

Idling or decelerating

PCV valve

Not running

PCV valve

Fully operating

Vacuum passage

Restricted

Vacuum passage

Small

Intake manifold side (Moderate vacuum)

Rocker cover side

Intake manifold side (Low vacuum)

Rocker cover side

Engine condition

Normal operation

Engine condition

Accelerating and high load

PCV valve

Properly operating

PCV valve

Slightly operating

Vacuum passage

Large

Vacuum passage

Much large