Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means the car's computer thinks there's a problem with a sensor that helps the engine know when to fire the spark plugs. It's like a friend telling you the time, but they're shouting too loud.
The P0348 code indicates that the signal from the camshaft position sensor on bank 2 is higher than expected.
The camshaft position sensor is responsible for monitoring the position of the camshaft and sending this information to the engine control module (ECM). The ECM uses this data to control fuel injection and ignition timing. A 'high' circuit condition typically means the signal voltage is above the normal range.
• Check Engine Light is on
• Engine may run rough
• Poor fuel economy
• Faulty camshaft position sensor
• Wiring issues such as short to power
• Faulty ECM
Camshaft: A shaft in the engine that controls the opening and closing of the valves.
ECM: Engine Control Module, the computer that controls engine functions.
• Use an OBD-II scanner to confirm the code
• Inspect the camshaft position sensor and its wiring
• Test the sensor with a multimeter
• Replace the camshaft position sensor
• Repair or replace damaged wiring
• Reprogram or replace the ECM if necessary
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $400
Moderate
• Toyota Camry
• Ford F-150
• Honda Accord
• Regular maintenance checks
• Ensure wiring is intact
• Use quality sensors
Sensor Issue
• Do not ignore the Check Engine Light
• Have the vehicle inspected by a professional
• Avoid driving long distances until fixed
Check if the vehicle's powertrain warranty covers sensor issues.
Camshaft position sensor issues have been common in vehicles with high mileage or poor maintenance.
Moderate – It should be addressed soon to avoid further engine performance issues.
Driving with a faulty sensor can lead to increased emissions and potential engine damage.
• Engine at operating temperature
• Vehicle in park with engine running
The camshaft position sensor is typically located near the top of the engine, on the cylinder head of bank 2.
Q: Can I drive with a P0348 code?
A: It's not recommended to drive for long periods with this code, as it can affect engine performance.
Q: How long does it take to fix a P0348 code?
A: Repairs can take a few hours, depending on the exact issue and vehicle model.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal 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.