Parts for your 2013 Honda Civic-Camshaft sensor

2013 Honda Civic camshaft sensor: what it does and how to look after it

Based on Honda factory service information and parts catalogues for the 2012–2015 Civic range (R18 1.8L, K24 Si, and Hybrid), the 2013 Honda Civic is fitted with camshaft position sensor(s). The 1.8L models use a camshaft sensor for timing control, while performance variants like the 2.4L Si run separate intake and exhaust cam sensors (often labelled CMP “A” and “B”). These sensors are referenced throughout Honda diagnostic procedures with DTCs such as P0340 and P0341, confirming they’re standard equipment.

On this model, the camshaft sensor feeds the engine control unit precise cam timing data. That lets the ECU fire the injectors and spark at the right moment and command variable valve timing for smooth power and good fuel economy. If the signal goes walkabout, the ECU may fall back to a limp strategy, which means rough running and a glowing check engine light.

It isn’t a scheduled replacement item in normal servicing, but it does appreciate a bit of care. Keeping engine oil fresh and at the correct viscosity helps the timing system behave, which in turn gives the sensor a clean signal to read. During routine services under the bonnet, it’s smart to check the sensor connector and wiring for oil contamination, brittle sheathing, or loose clips.

Common warning signs of a crook cam sensor include:

• Hard starting or long cranking, uneven idle, flat spots, or stalling
• Poor fuel economy and loss of power
• Check engine light with codes like P0340, P0341, or related timing faults

Replacement is straightforward on most 2013 Civics: disconnect the battery, locate the sensor on the cylinder head near the timing cover, unclip the connector, remove the retaining bolt, swap the O-ring, install the new unit, and torque to the factory spec. Clear the fault codes and perform any relearn steps your scan tool suggests. If the light comes back, investigate timing-chain stretch, dirty oil, or wiring faults before throwing more parts at it.

Use a quality OEM or reputable aftermarket sensor, cheapies can cause intermittent signals. Labour time is typically well under an hour. If you’re unsure which engine you’ve got or whether your Civic uses one or two sensors, check the build plate or VIN details, or have a technician take a quick look.

Popular questions about 2013 Honda Civic camshaft sensors

Does the 2013 Honda Civic have one or two camshaft sensors?
Most 1.8L petrol models use a single camshaft sensor. Performance variants like the 2.4L Si use two (intake and exhaust). Hybrids also use a cam sensor. A quick look under the bonnet or a VIN/engine code check will confirm your setup.

What fault codes point to a bad camshaft sensor on a 2013 Civic?
Typical codes include P0340 (camshaft position circuit) and P0341 (range/performance). You might also see timing correlation codes if the chain is stretched or oil quality is poor. Always verify power, ground, and wiring before replacing the sensor.

Will a faulty camshaft sensor stop a 2013 Civic from starting?
It can cause long cranking or a no-start in some cases. Often the engine will start but run roughly as the ECU switches to a backup strategy. It won’t usually cause direct mechanical damage, but it should be sorted promptly to avoid poor drivability and fuel use.