Rick's Free Auto Repair Advice

Posts Tagged: Camshaft Position Sensor

Camshaft Position Sensor — What is a Camshaft Position Sensor

What is a Camshaft position sensor? The camshaft position sensor is an electronic device that’s mounted near the camshaft in close proximity to a notched wheel. There are two types of camshaft position sensors; variable reluctance and hall effect. A variable reluctance (VR) camshaft position sensor is a transducer that detects the presence of ferrous objects passing near the sensor. The VR sensor is built with a magnet wrapped in a coil of wire. It is mounted in a stationary position at a set gap away from a rotating ferrous … Read More

Ford hesitation problem

Ford hesitation problem Some Ford V-6 3.0L engines can develop a Ford hesitation problem caused by a worn or intermittent camshaft position sensor (CMP), also called a camshaft synchronizer. This sensor is known for high failure rates. The Ford hesitation problem can display itself as a hesitation at a certain engine RPM, show a P0340 trouble code, or cause a chirping noise. One way to isolate the cause to the synchronizer is to unplug it and then drive the vehicle. The computer will substitute its own values for the sensor … Read More

P0340 Dodge Neon

P0340 Dodge Neon Shops are reporting that customers have replaced a camshaft position sensor (CPS) due to a P0340 Dodge Neon. Upon replacement, the code reappears. In most cases, the customer has installed an aftermarket sensor. When replaced with a factory sensor and the codes are cleared, mechanics report that the problem trouble code does not return. © 2012 Rick Muscoplat

No crank no start – Chrysler minivan

My engine won’t start – No crank no start – Chrysler minivan If you have a no crank no start problem on a Chrysler minivan or if you jumper the starter and it still does not start, focus your attention on the camshaft and crankshaft position sensors. Here’s how to test them. It’s common for the wiring harness to these sensors to short out. They receive 8 volts of power and a 5 volt reference signal from the PCM. If the the 8 volt power is shorted out, the PCM … Read More

P0344

Fix code P0344 Camshaft Position Sensor Circuit Intermittent If you have a P0344 Camshaft Position Sensor Circuit Intermittent trouble code, read this to understand what it means When car makers eliminated the distributor they needed a way to know the position of the camshaft and crankshaft so they could fire the spark plugs at the correct time. You guessed it, the camshaft sensor tells the PCM the exact location of the camshaft. In this trouble code, P034a4, the computer is seeing an intermittent signal. That can mean a bad sensor, … Read More

P0340

Fix code P0340 Camshaft Position Sensor Circuit Malfunction If you have a P0340 Camshaft Position Sensor Circuit Malfunction trouble code, read this to understand what it means When car makers eliminated the distributor they needed a way to know the position of the camshaft and crankshaft so they could fire the spark plugs at the correct time. You guessed it, the camshaft sensor tells the PCM the exact location of the camshaft. In this trouble code, P0340, the computer is calling out a problem with the circuit. That can mean … Read More


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