Fuel System - MIL ON/Multiple Fuel Trim DTC's Set
01 08 132009931/3
November 24, 2008.
Supersedes Technical Service Bulletin Group 01 number 05-04 dated June 9, 2005 for reasons listed below.
Affected Vehicles
24 Long Term Fuel Trim - System Too Rich
Condition
From 01-05-04, June 9, 2005
Long Term Fuel Trim - System Too Rich
Technical Background
One of the Diagnostic Trouble Codes (DTCs) shown above is stored in the Engine Control Module. These codes may be accompanied by an Malfunction Indicator Light (MIL) -K83- illumination.
This condition may be also due to a clogged Suction Jet Pump.
Production Solution
N/A
Service
In addition to other diagnosis for these DTCs (Refer to Repair Manual for a Rich Fuel Trim or Guided Fault Finding) also check if suction jet pump is clogged as follows:
- Remove 2 hoses from suction jet pump -black arrows-.
- Blow air through side port -white arrow-.
- If air exhausts through lower port:
TIP:
Suction jet pump is not clogged. Continue with diagnosis.
- If air does not exhaust through lower port:
TIP:
Suction jet pump is clogged. Replace suction jet pump.