Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the position of a part called the camshaft in the engine. It's like trying to watch a movie on a screen that keeps flickering on and off.
The P0349 code indicates that the signal from the camshaft position sensor A on bank 2 is not consistent. This can affect the engine's timing and performance.
The camshaft position sensor monitors the position of the camshaft and sends this information to the engine control module (ECM). The ECM uses this data to control fuel injection and ignition timing. An intermittent signal from the sensor can cause the ECM to miscalculate these parameters, leading to engine performance issues.
• Check Engine Light is on
• Engine misfires
• Poor fuel economy
• Faulty camshaft position sensor
• Damaged or corroded wiring or connectors
• Faulty ECM
Camshaft: A shaft in the engine that controls the opening and closing of the intake and exhaust valves.
ECM: Engine Control Module, the computer that manages engine functions.
• Use an OBD-II scanner to confirm the code
• Inspect the camshaft position sensor and its wiring
• Test the sensor's voltage and resistance
• Replace the camshaft position sensor
• Repair or replace damaged wiring or connectors
• Reprogram or replace the ECM if necessary
• OBD-II scanner
• Multimeter
• Socket set
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular maintenance checks
• Ensure wiring is protected from damage
• Replace sensors at recommended intervals
Sensor Issue
• Do not ignore the Check Engine Light
• Get the car inspected by a professional if you're unsure
• Regularly check and maintain engine components
Check with your vehicle manufacturer regarding warranty coverage for sensor issues.
This code has been commonly reported in vehicles with higher mileage or those that have not been regularly maintained.
Moderate – The vehicle may still be drivable, but performance will be affected.
Driving with an unresolved P0349 code can lead to further engine damage and decreased fuel efficiency.
• Engine at operating temperature
• Vehicle in park or neutral
The camshaft position sensor is typically located near the camshaft, often on the cylinder head of bank 2.
Q: Can I drive with a P0349 code?
A: It's possible, but not recommended as it can lead to further engine issues.
Q: How long does it take to fix this issue?
A: Typically, it can take a few hours depending on the complexity of the repair.
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Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
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Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
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Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.