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EG046-07
Title:
M.I.L. “ON” DTC P0171, P030#, AND/OR P0133 ENGINE RUNNING LEAN IN SUBFREEZING AMBIENT
TEMPERATURES
Models:
’00 – ’05 Celica (1ZZ–FE)
Introduction
Following a cold soak in subfreezing ambient temperatures, some 2000 – 2005 model year Celica vehicles equipped with a 1ZZ-FE engine may exhibit a M.I.L. “ON” with one or more of the following Diagnostic Trouble Codes (DTCs) as the result of a vacuum leak at the intake manifold.
- P0171 – System Too Lean (Bank 1)
- P0300 – Random Multiple Cylinder Misfire Detected
- P030# – Cylinder (1–4) Misfire Detected
- P0133 – Oxygen Sensor Slow Response (Bank 1 Sensor 1) Please use the following procedure to repair the vehicle.
Applicable Vehicles
2000 – 2005 model year Celica vehicles equipped with the 1ZZ–FE engine.
| PREVIOUS PART NUMBER | CURRENT PART NUMBER | PART NAME | QTY |
|---|---|---|---|
| 17171-22030 | 17171-22060  |
Gasket, Intake Manifold to Head, No. 1 | 1 |
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