Toyota 4Runner: Do-it-yourself maintenance

Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction ind ...

Do-it-yourself service precautions

If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move s ...

Other materials about Toyota 4Runner:

Rear Speed Sensor RH Malfunction (C1403,C1273,C1274,C1404)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1403 C1404 One of the following conditions is met: At a vehicle speed of 10 k ...

If the engine will not start
If the engine will not start even though correct starting procedures are being followed (, 173), consider each of the following points: The engine will not start even though the starter motor operates normally. One of the following may be the cause of the ...