2023 Isuzu P0021: What It Means & Is It Safe to Drive?
P0021 on the 2023 Isuzu: Camshaft Position A – Timing Over-Advanced or System Performance (Bank 2). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
Same as P0011 but for the intake cam on bank 2. On V6/V8 engines, P0011 and P0021 appearing together strongly points to an oil-related cause affecting both banks.
Common causes on the 2023 Isuzu
- Low or dirty oil affecting both bank VVT systems
- Failed bank 2 intake cam OCV
- Timing chain stretch on bank 2
Symptoms
- Check Engine Light
- Rough idle or rattling
- Poor fuel economy
Typical fixes
- Oil change with correct viscosity
- Replace bank 2 intake cam OCV
- Timing chain service if worn
Repair cost range
For a 2023 Isuzu, repairs for P0021 typically fall between $100 and $1200, depending on the root cause and labor rates in your area.