Crankshaft Position Sensor Replacement: labor quote guide
Typical labor time (approximate)
About 0.3 to 2.5 hours. Roughly 0.3 to 2.5 hours. Some are on the front of the engine; others sit behind the starter or on the back of the block.
Approximate only: a rough general range, not labor-guide data. Times vary widely by vehicle and condition. Check a labor guide for the exact vehicle. How we estimate
The quote buttons open the labor-quote calculator prefilled; "Start an estimate" adds a labor line to the estimate & invoice generator. Add your own rate, parts and tax.
What's involved
- Confirm with codes, an RPM signal while cranking, and wiring checks
- Gain access (sometimes removing the starter or heat shields)
- Replace the sensor and check the air gap if adjustable
- Perform a crank relearn if required, clear codes and test starts and stalling
General outline only. Follow the service information for the specific vehicle.
What changes the time
- Sensors behind the starter or transmission bellhousing
- Crank variation relearn procedures
- Intermittent heat-related failures
- Damaged reluctor rings
Related parts & common add-ons
- Camshaft position sensor
- Wiring or connector repair
- Crank relearn with a scan tool
- Starter inspection
Price parts with the parts markup calculator, and note findings on the inspection checklist.
FAQ
What are the symptoms?
No-start with no RPM signal, stalling when hot, misfire codes, or an intermittent loss of tach signal.
Do I need a relearn?
Some manufacturers require a crankshaft variation learn after replacement. Check service information.
Aftermarket sensors?
Signal quality varies. Many techs use OE or known-good brands for crank and cam sensors.
More electrical & diagnostics jobs
- Alternator Replacement
- Starter Replacement
- Battery Replacement
- Diagnostic Fee
- Headlight Bulb Replacement
- Power Window Regulator / Motor Replacement
- Door Lock Actuator Replacement
- Parasitic Battery Drain Test
Other systems: Brakes · Engine, ignition & fuel · Cooling system · Suspension & steering · Drivetrain · Heating & AC · Maintenance & tires · All job guides