OBDII P0345 is a trouble code that can cause serious driving issues with your vehicle. If you’ve got a check engine light on, there’s a good chance your car or truck is stuck in limp mode as well. When this is the case, you will need an OBDII scan tool to retrieve your On-Board Diagnostic trouble code.
The definition of this OBDII trouble code is Camshaft Position Sensor “A” Circuit Malfunction. Your camshaft sensor is either a hall effect or magnetic style sensor that reads the positional data of your camshaft.
Armed with this information, your onboard computer can control and deliver the fuel and spark your vehicle needs. If there’s a problem with your camshaft sensor, there’s a good chance your OBDII P0345 trouble code will trigger.
What Does P0345 Code Mean?
Simply put, the Camshaft Position Sensor “A” Circuit Malfunction trouble code means there’s an issue with your camshaft sensor signal. The computer in your vehicle needs information for your car or truck to function. One of the main components is your camshaft sensor.
By reading the rotational position of the camshaft, your ECU will know how to orchestrate combustion. This sensor provides critical data used by the engine control module or PCM.
How to Fix P0345 trouble code
If your check engine light is on, you will need to check your camshaft sensor for issues. Before you begin, you should make sure that your battery has proper charge.
Next, you will need to test your camshaft sensor. This can be done easily by unplugging your fuel injectors, unscrewing your spark plug and connecting it to one of your spark plugs.
Now undo your camshaft sensor, and with the key set to the “ON” position, slowly rotate your camshaft sensor by hand. You should see spark at the plug that’s connected outside of your engine.
P0345 Symptoms
- Difficulty starting engine
- Poor engine performance
- Lackluster fuel mileage
- Sputtering engine
- Flooding
- Engine misfire
Common Problems
There can be several P0345 issues when you want to erase your check engine light. Depending on the age of your vehicle, here are just a few of the problems you may encounter.
- Failed camshaft sensor
- Damaged camshaft sensor wiring
- Bad ECU
- Weak Battery
When you need a camshaft sensor testing guide, subscribe to My Pro Street for all the latest tech tips, How-To guides and OBDII articles.