p2647
Easy Fix
Acura · Sedans
VTEC Oil Pressure Switch High
Quick Answer
Error code P2647 on your Acura Sedans means: VTEC Oil Pressure Switch High. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check engine oil level
2
Drain excess oil if overfilled
3
Verify oil viscosity is correct for temperature
4
Inspect oil pressure regulator
5
Test or replace oil pressure switch
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Engine oil
Oil pressure switch
Oil drain pan
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