p2187
Moderate
Porsche · SUVs
System Too Lean at Idle (Bank 1)
Quick Answer
Error code P2187 on your Porsche SUVs means: System Too Lean at Idle (Bank 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Perform smoke test for vacuum leaks
2
Measure fuel pressure at idle
3
Clean fuel injectors
4
Test oxygen sensor response time
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
Fuel filter
Fuel injectors
Fuel pressure regulator
Oxygen sensor
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