Toyota Tacoma manuals

Toyota Corolla Repair Manual: System too lean/rich

Dtc p0171 system too lean (bank 1)

Dtc p0172 system too rich (bank 1)

Inspection procedure
Hint: handheld tester only: narrowing down the trouble area is possible by performing a/f control active test (heated oxygen sensor or other trouble areas can be distinguished). Perform ac ...

Circuit description
The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim includes the shortterm fuel trim and the longterm fuel trim. The shortterm fuel tri ...

Other materials:

Eco Driving Indicator Light customization (except vehicles with a manual transmission)
Eco Driving Indicator Light can be activated or deactivated. 1 While the odometer is being displayed, press and hold the DISP switch to display the Eco Driving Indicator Light customization screen. 2 Press the DISP switch to set Eco Driving Indicator Light to on or off. 3 Press and hold the ...

Precaution
1. Do not handle refrigerant in an enclosed area or near an open flame 2. Always wear eye protection 3. Be careful not to get liquid refrigerant in your eyes or on your skin If liquid refrigerant gets in your eyes or on your skin.  wash the area with lots of cool water. Cautio ...

Inspection procedure
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

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