Camshaft Position Sensor Replacement Cost

• More than 1.5 hours of labor quoted on a front-mounted, single-sensor engine.
• A sensor priced above $250 on a non-luxury vehicle without an OEM part number on the invoice.
• A diagnostic fee over $150 that the shop will not credit toward the repair.
• A bundled tune-up or fuel system service attached to a code-driven sensor replacement. Decline this and ask them to quote the sensor alone.
• Any total under $95, which signals a scan fee being sold as a repair.

Say exactly this: "Which bank and sensor number set the code, how many book hours are you charging, and what is your hourly rate?"

A shop that can answer all three in one breath has actually diagnosed the car. One that cannot is guessing at your expense. Get a second quote if the labor hours quoted are more than double the book time for your engine.

• Default job: $110 to $330 installed, sensor $50 to $150 plus 0.5 to 1.5 hours labor (market estimate).
• DOHC engines with a rear-bank sensor run 1.5 to 3 hours instead, which means $245 to $745 total at dealer rates.
• Independent shops bill $79 to $125 per hour, chains $95 to $140, dealers $110 to $165 (market estimate).
• Anything under $95 total is not a real quote for this job. Treat it as a scan fee, not a repair.
• The diagnostic scan is usually $100 to $150 and is billed separately unless the shop credits it back.

The sensor tells the engine computer where the camshaft is in its rotation. The computer uses that signal to time fuel injection and spark. Lose the signal and the engine guesses.

Guessing shows up as hard starting, stalling at idle, a flashing check engine light, hesitation on acceleration, and worse fuel economy. Some cars drop into limp mode and cap speed. A persistent misfire dumps raw fuel into the exhaust, and that is how a $110 sensor turns into a catalytic converter replacement at $500 to $1,100 or more.

If your light is flashing rather than steady, stop driving and get it towed.

Ranges assume an easy-access sensor and a $50 to $150 part (market estimate). That spread is under $70 on a simple job, which is smaller than most repairs.

The dealer price IS fair here when your car is under powertrain warranty or uses a sensor that only the factory scan tool can relearn after replacement.

Get two quotes if the difference you are shown is more than $150.

Default setup: easy-access engine type, chain shop billing $120 per hour.

• Sensor: $50 to $150 (market estimate)
• Labor: 0.5 to 1.5 hours at $120 per hour = $60 to $180
• Total installed: $110 to $330

Now switch the engine type selector above to the buried rear-bank option. Parts move to $80 to $250 and labor to 1.5 to 3 hours. At a dealer rate of $110 to $165 per hour that is $165 to $495 of labor, so the total lands at $245 to $745. Same part, four times the bill. That gap is access, not greed.

Domestic four-cylinder engines from Chevrolet, Ford, and Toyota usually put the sensor on the front of the head, reachable with a socket and an extension. Those sit at the bottom of the range.

V6 and V8 engines often carry two to four sensors, and the rear-bank units hide under the intake manifold. European models from BMW, Audi, and Mercedes add sealed connectors and torque-to-yield hardware, so labor climbs and OEM parts cost more than the $50 to $150 aftermarket band.

Luxury and turbocharged engines land in the $245 to $745 window more often than not. If the quote names a specific bank and sensor number, the shop has actually read your codes.

Wage figures come from BLS OES data for automotive service technicians, reliable within roughly 10%. Loaded cost lands near $41 per hour, and the shop bills you $79 to $165.

The rest covers the bay, the lift, the scan tool subscription, and the parts counter. That means a shop quoting $200 per hour on a one-hour sensor swap has no cost story to tell you, so ask them to break out the rate.

These are the registry rates behind the wage math above. Only the technician wage row drives the sensor estimate; the brake rows are shared automotive reference values and do not apply to this repair.

Budget sensors from unbranded sellers run $15 to $40 and are the single most common cause of a repeat failure. Standard aftermarket units from established suppliers such as Delphi, Denso, Standard Motor Products, and Bosch sit in the $50 to $150 band the calculator uses.

OEM sensors from the dealer parts counter run $80 to $250 on DOHC applications (market estimate).

Mechanics note that a cheap sensor sending a slightly out-of-spec signal still sets a code, so you pay the labor twice. On a buried rear-bank job that is $165 to $495 of labor repeated.

Buy the mid tier or better here. Best practice: supply your own name-brand sensor only if the shop agrees in writing to warranty their labor anyway.

On a front-mounted sensor this is a one-bolt job. Experienced: 20 to 30 minutes. First-timer: 60 to 90 minutes including finding the sensor.

Tools: a 8mm or 10mm socket with a 3 inch extension, a ratchet, a torque wrench, and an OBD-II scanner to read and clear the code. A basic scanner is $25 to $60 to buy, and many chain parts stores read codes free. Parts cost $50 to $150, so DIY saves the $60 to $180 labor line.

Do not DIY if the sensor sits under the intake manifold, if your engine needs a scan-tool relearn after replacement, or if you cannot confirm which bank set the code. Guessing at a two-sensor engine means buying the wrong part and doing the job twice.