OBD-II Code · Timing
P0024
Camshaft Position Timing Over-Advanced (Bank 2 Exhaust)
Severity
medium
Worth booking. It costs fuel, emissions or comfort until it is fixed.
Can you drive it
Only if running normally
A short trip to a shop may be reasonable if the light is steady and the car runs normally. Stop safely for a flashing light, severe shaking, overheating, loss of power, or another urgent warning. The code alone cannot confirm safety.
Indicative cost (USD)
$150–$800
Varies by vehicle, diagnosis, parts, and local labor. This is not a repair quote.
Bank 2 exhaust cam over-advanced.
How a shop works this
Work from evidence to part, not the other way round. A code names a circuit or a symptom; it does not name the part that failed.
Note every code that is set, not just this one.
Codes that appear together usually narrow the cause faster than any one of them read alone.
Read the freeze frame — the conditions the fault was recorded under.
Cold or warm, idle or load, road speed and engine speed. A fault that only appears cold is a different fault from one that only appears under load, even with the same code on the scanner.
Confirm the fault is current rather than history.
Clear the code and see whether it returns under those same conditions. A code that does not come back may have been logged during a repair, a flat battery, or a bad connection that has since been disturbed.
Then work the likely-causes list in the order shown.
That order is what a shop checks first for this code — wiring and connections before the component they run to, because a connector costs nothing to inspect and is a common answer.
If the code comes back after a repair, the underlying fault is still there. That is the point to bring in a scanner with live data and freeze-frame, or a shop that has one.
Common symptoms
- Check engine light
Likely causes
- Stuck solenoidMost common
- Oil flow
Read the full diagnostic procedureP0024 indicates the exhaust camshaft on Bank 2 is timed more retarded than the ECM commanded, with the actual position lagging the desired position b…
P0024 indicates the exhaust camshaft on Bank 2 is timed more retarded than the ECM commanded, with the actual position lagging the desired position by more than approximately 5 to 8 crank degrees for a sustained window (typically 8 to 10 seconds at steady RPM).
Start the diagnostic ladder at the cheapest end
- pull the oil cap and inspect for sludge or milkshake, then check oil level and confirm the correct viscosity is in the sump because the variable cam timing (VCT) phasers are hydraulic actuators that stall on thin, contaminated, or low-pressure oil.
- Next, scan live data and watch Bank 2 exhaust cam desired-versus-actual at 2,500 RPM under no load; a healthy phaser should sweep within 2 crank degrees of commanded and slew the full 40 to 50 degree authority in under 1.5 seconds.
- If the actual flatlines or oscillates more than 4 degrees off-target, ohm the Bank 2 exhaust oil control valve solenoid (spec is typically 6.9 to 7.9 ohms at 68F) and inspect the screen for ferrous debris before condemning the phaser itself.
- The expensive misdiagnosis here is replacing the phaser/sprocket assembly ($800 to $1,400 in parts plus 4 to 8 hours labor) when the actual failure was a $40 OCV with a clogged inlet screen or a worn timing chain.
Vehicle-specific patterns2007-2014 Ford 5.4L 3V Triton trucks (F-150, Expedition, Navigator) are the textbook case here — the Bank 2 exhaust phaser sticks because oil-change…
- 2007-2014Ford 5.4L 3V Triton trucks (F-150, Expedition, Navigator) are the textbook case here — the Bank 2 exhaust phaser sticks because oil-change intervals stretched past 7,500 miles let varnish lock the helical splines, and the symptom is a cold-start rattle that lasts 2-4 seconds followed by P0024 at operating temp.
- 2008-2012Nissan Altima/Maxima with the VQ35DE throw P0024 when the Bank 2 exhaust cam solenoid filter packs with sludge.
- 2006-2010BMW N52 inline-six (328i, 528i, X3) sets P0024 from a failing Vanos exhaust solenoid where the o-rings harden and bleed control pressure.
- 2005-2009Toyota 2GR-FE V6 (Camry, RAV4, Avalon) is rarer but does it via a stuck Bank 2 exhaust OCV after long highway-only duty cycles.
Estimated repair$180 to $2,800.
Look up another code
P0024 — frequently asked
What does a P0024 code mean?
Bank 2 exhaust cam over-advanced.
What causes a P0024 code?
Common causes: Stuck solenoid; Oil flow.
What are the symptoms of a P0024 code?
Typical symptoms: Check engine light.
Is it safe to drive with a P0024 code?
Only if running normally. A short trip to a shop may be reasonable if the light is steady and the car runs normally. Stop safely for a flashing light, severe shaking, overheating, loss of power, or another urgent warning. The code alone cannot confirm safety. Estimated repair: $150-$800.
How do I diagnose a P0024 code?
Work from evidence to part, not the other way round. A code names a circuit or a symptom; it does not name the part that failed. 1. Note every code that is set, not just this one. 2. Read the freeze frame — the conditions the fault was recorded under. 3. Confirm the fault is current rather than history. 4. Then work the likely-causes list in the order shown.
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