p2187
Moderate
Volvo · SUVs
System Too Lean at Idle (Bank 1)
Quick Answer
Error code P2187 on your Volvo SUVs means: System Too Lean at Idle (Bank 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check for vacuum leaks
2
Test fuel pressure at idle
3
Scan oxygen sensor readings
4
Clean fuel injectors
5
Test mass airflow sensor
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
oxygen sensor
fuel injector cleaner
vacuum hose
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