The Ford Ranger is a line of pickup trucks introduced in 1983 by The Ford Motor Company. The Ford Ranger, like other vehicles, relies on numerous sensors to send information to its computer, which controls such components as the engine, transmission and braking system. The Ford Ranger can develop sensor-related problems, which can often be resolved via a few basic troubleshooting checks.
Camshaft Position Sensor
The Ford Ranger camshaft position sensor, which sends a signal to the ignition module informing it when each cylinder should fire, uses a synchroniser shaft that may produce intermittent squeaking or chirping sounds while the truck is in operation. Replacing the camshaft position sensor and shaft typically solves the problem.
The Ford Ranger's O2 (oxygen) sensor, which monitors the level of oxygen in the air/fuel ratio of the combustion mixture, can fail. Upon O2 sensor failure, the Ford Ranger often produces a trouble code indicating problems with that particular sensor, and the engine may idle rough or get poor gas mileage. Replace the O2 sensor to restore proper engine function.
Mass Air Flow Sensor
The Ford Ranger's MAF (mass air flow) sensor can accumulate dirt or other sediment, impairing its function and causing symptoms such as engine shudder and a trouble code indicating the engine is running lean. Remove the sediment with an electronics cleaner or MAF sensor cleaner.
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