Try going up one grade in fuel octane
A CKP is the crankshaft position sensor. The engine computer uses that sensor to know the position of the crankshaft for fuel and ignition timing purposes. With out the ckp the engine will not run.
The computer will tell you. If you have a "check engine" light, connect a code scanner to see what the computer has detected. If there is a problem with the oxygen sensor the code scanner will display the appropriate problem code.
A bad throttle sensor can cause engine jerking and rough running. A test of the computer codes should show if there seems to be a problem with the sensor.
There is a crankshaft position sensor , at the front of the engine
There is no "knock sensor" on a 4.0L engine
The 1997 Ford Explorer ambient temperature sensor can be found on the bottom of the drivers side mirror. The engine coolant temperature sensor can be found on the front of the engine.
there is no need to reset the computer for an 02 sensor.
Could be a problem with the wiring from the computer to the sensor.
the fans are operated by means of a series of relays which are turned on or off by the engine computer. the engine coolant temp sensor that sends its signal to the engine computer is what indirectly turns on the fans. if there is no check engine light for a coolant temp. sensor code, the problem lies in the fans themselves, or the relays and related wiring.
The 1998 Ford Explorer 5.0 liter engine IAT sensor is located between the engine and the air filter box. The IAT sensor will be on the air intake hose.
Bank 2 is the drivers side of the engine in your Ford Explorer ( V6 or V8 ) Sensor 1 would be close to the engine before the exhaust enters the catalytic converter ( upstream sensor )
Where is the cylinder head temperature sensor on the 2003 ford explorer v8 engine