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P0344 is a diagnostic trouble code (DTC) for "Camshaft Position Sensor Circuit Intermittent". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 . Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $50.0 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
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Diagnostic trouble code (DTC) P0344 is a generic powertrain DTC that covers all makes and models of vehicles manufactured starting in 2003. This code occurs when an incoming signal from the camshaft position sensor (or sensors) is missing at one point or another when it should not be. This indicates an intermittent electrical circuit fault, and this code may occur in combination with codes P0340 and P0341, both of which also indicate intermittent electrical circuit problems with the camshaft position sensor failing to send signals to indicate that the crankshaft sensor signal is correct.
When the P0344 code is stored, it indicates that the signal from the camshaft position sensor has been interrupted. This sensor measures the rotational position of the camshaft as it relates to the crankshaft. Data from the camshaft position sensor is used to control fuel injector timing and ignition spark. If for any reason this signal is interrupted at any time, code P0344 will be stored, and the Check Engine Light or MIL (Malfunction Indicator Lamp) will illuminate.
The P0344 code may be stored for a number of reasons, including:
The P0344 code may not be preceded by any symptoms at all, other than illumination of the Check Engine light. In some cases, however, the driver may notice one or more of a number of symptoms, including:
When the P0344 code is saved, a mechanic will inspect the camshaft position sensor and the crankshaft position sensor and their respective wiring. They will look for bare wires, areas that have been chafed or rubbed, melted plastic, and/or burnt areas. They will then inspect the connectors and their terminals. These inspections should reveal the source of the intermittent signal.
If the source of the problem is misdiagnosed, the P0344 code will be saved again, and the problem will continue. Misdiagnoses can result in a number of mistakes, including replacing the camshaft position sensor when the problem is actually one of the following issues:
An intermittent signal from the camshaft position sensor can indicate a number of potentially serious issues. If left without repair, the vehicle could stall and not be able to start again. It could also fail to start after being shut down and left.
Depending on the cause of the P0344, there are a number of potential repairs that can fix the P0344 code. This include:
It is very easy to misdiagnose the cause of a P0344, and thus it is very important to thoroughly inspect all components involved in sending the timing signal from the camshaft position sensor. If the problem is a poor connection, the solution may be as simple as cleaning the connectors and terminals.
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