p2187
Moderate
Jaguar · Sedans & Sports Cars
System Too Lean at Idle (Bank 1)
Quick Answer
Error code P2187 on your Jaguar Sedans & Sports Cars 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
Inspect oxygen sensor
2
Check for vacuum leaks around idle
3
Test fuel pressure at idle
4
Clean fuel injectors
5
Verify air intake seals
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
Vacuum hoses
Fuel injector cleaner
Fuel pump
Related Error Codes