Does having three out mean something bad?
I'm going to replace them.
P0720 - Output speed sensor - Circuit malfunction
P0708 - Trans range sensor - Circuit high input
P0340 - Camshaft position sensor A - Bank 1 -- Circuit malfunction
2007-03-13 12:58:33 · 2 answers · asked by yupp 1 in Cars & Transportation ➔ Car Makes ➔ Ford
We call this a cascade failure. When 1 sensor malfunctions, it tricks the computer into sensing other problems. If there is a low sped sensor signal, (it registers you doing 20 when your doing 50), the computer senses the transmission in overdrive. It knows O.D. only comes on over 40, so since the speed sensor says 20, the range sensor must be defective. The engine is running at 2200 rpm's ( it uses bank 1 cam sensor output for engine speed), it does not meet the calculations for a car in high gear at 20, therefore, that sensor is defective as well. Replace just your speed sensor and clear all the codes. Drive it for a few days and you will see that the other two have miraculously healed themselves.
2007-03-13 17:58:54 · answer #1 · answered by shopteacher 4 · 2⤊ 0⤋
Does the car warm up (do you get HEAT from the vent)? If not then you have thermostat problem. Otherwise it is probably the sensor. Good luck.......
2016-03-28 22:18:27 · answer #2 · answered by Lottie 4 · 0⤊ 0⤋