Camry XLE Sedan L4-2164cc 2.2L DOHC (5S-FE) MFI (1999)
DETECTING CONDITIONS
HINT:
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When the DTC P0171 is recorded, the actual air-fuel ratio is on the LEAN side. When DTC P0172 is recorded, the actual air-fuel ratio is on
the RICH side.
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If the vehicle runs out of fuel, the air-fuel ratio is LEAN and DTC P0171 is recorded. The MIL then comes on.
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If the total of the short-term fuel trim value and long-term fuel trim value is within ± 38 %, the system is functioning normally.
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The heated oxygen sensor (bank 1 sensor 1) output voltage and the short-term fuel trim value can be read using the OBD II scan tool or
TOYOTA hand-held tester.
Step 1
Step 2
Step 3