ON-VEHICLE SERVICE
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-551
THROTTLE BODY (THROTTLE VALVE AREA)
CLEANING
M1131001000064
1. Start the engine and warm it up until the coolant is heated to
80
°
C (176
°
F) or higher. Stop the engine.
2. Remove the air intake hose from the throttle body.
CAUTION
Do not allow cleaning solvent to enter the bypass passage.
3. Plug the bypass passage inlet (arrow) of the throttle body.
4. Spray cleaning solvent into the valve through the throttle
body intake port and leave it for approximately five minutes.
5. Start the engine, rev it several times and then idle it for
about one minute. If the idling speed becomes unstable (or if
the engine stalls) due to the bypass passage being plugged,
slightly open the throttle valve to keep the engine running.
6. If the throttle valve deposits are not removed, repeat steps 4
and 5.
7. Unplug the bypass passage inlet.
8. Attach the air intake hose.
9. Use scan tool MB991502 to erase any diagnostic trouble
code.
10.Adjust the basic idle speed. (Refer to
P.13B-552
.)
ACX02509 AE
U
ECM OR PCM
ACX02494 AD
V
FUEL TANK
DIFFERENTIAL
PRESSURE
SENSOR
ACX02516 AE
W
EVAPORATIVE EMISSION
VENTILATION SOLENOID VALVE
FUEL TANK
AK000112AB