Camshaft Position Sensor Replacement

Mobile camshaft position sensor replacement at your home or office, for long cranking, misfires and variable valve timing faults.

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Service Info

Typical Duration 1 hour

We compare camshaft and crankshaft signals on live data to distinguish a sensor fault from timing drift, check for oil contamination and its cause, replace the correct sensor, then clear codes and verify cold starting and live data.

Skip the garage, our master mechanics come to you

At your home or office
Fair & transparent pricing
6-month, 6000km warranty

The Most Trusted Mobile Camshaft Position Sensor Replacement

The camshaft position sensor tells the engine management where the camshaft is in its cycle, which is how the system knows which cylinder is on its firing stroke. That matters for sequential injection, for ignition timing, and on most modern engines for controlling variable valve timing. When it fails you get long cranking before starting, misfires, poor economy and a check engine light. Michanic replaces camshaft position sensors at your home or office.

Why Choose Our Mobile Camshaft Position Sensor Replacement Services?

  1. Long Cranking Explained:
    Without a camshaft signal the engine has to work out its firing order by trial, which is exactly why it takes several seconds longer to start.
  2. Timing Faults Distinguished:
    A camshaft correlation code can mean a stretched timing chain rather than a sensor. Those are very different repairs and we establish which.
  3. Oil Contamination Checked:
    These sensors sit in the cylinder head where oil leaks past the seal and fouls them. Fixing the leak is part of a proper repair.
  4. At Your Home or Office:
    About an hour at your parking bay, with no workshop booking.

Why We are the Best Choice for Mobile Camshaft Position Sensor Replacement

  • Correlation Checked:
    Camshaft and crankshaft signals are compared on live data, which is what separates a faulty sensor from genuine timing drift.
  • Variable Valve Timing Considered:
    A blocked oil control valve or a low oil level causes similar codes, and both are cheaper than assuming a sensor.
  • Correct Sensor Fitted:
    Engines with multiple camshafts have several sensors with different part numbers. The right bank and position are confirmed.
  • Verified After Fitting:
    Codes are cleared, starting is tested from cold, and live data is rechecked to confirm the fault is genuinely resolved.

A camshaft sensor fault is worth diagnosing carefully because the fault code it produces overlaps with something far more serious. A camshaft to crankshaft correlation code can mean the sensor has failed, or it can mean the timing chain has stretched far enough that the camshaft genuinely is out of position. Replacing the sensor on a car whose chain is at fault leaves the real problem in place, and a chain that jumps a tooth causes valve and piston damage. Distinguishing the two on live data is the whole value of the diagnosis.

Frequently Asked Questions

  • What does the camshaft position sensor do?
    It tells the engine management where the camshaft is in its rotation, which identifies which cylinder is on its firing stroke. That enables sequential fuel injection, correct ignition timing and variable valve timing control.
  • Why does my car take so long to start?
    Without a camshaft signal the engine management cannot immediately identify the firing order, so it has to establish it from the crankshaft signal alone. That process is what adds several seconds of cranking.
  • Is a camshaft correlation code always the sensor?
    No, and this is the important distinction. The same code appears when a timing chain has stretched enough to shift the camshaft position genuinely. Live data comparison is what separates the two before money is spent.
  • Can the engine run without a camshaft sensor?
    On many engines yes, in a reduced fallback mode using the crankshaft signal. It usually runs poorly, starts slowly and may lack power, but it is not always a complete no-start like a crankshaft sensor failure.
  • Why is my camshaft sensor covered in oil?
    Almost always a failed sensor O-ring or a leaking cam cover seal letting oil reach it. The oil interferes with the signal, so the leak has to be fixed or the replacement sensor is contaminated too.