Index storingcodes · medium
P1130
Heated oxygen sensor (HO2S) 1 (upstream), bank 1 - fuel trim at limit
Heated oxygen sensor (HO2S) 1 (upstream), bank 1 - fuel trim at limit
Applies to: All X-TYPE variants, 2001-2009 (saloon & estate) · Confidence: Manufacturer code list + field-verified causes
Common causes
- Vacuum leak
- Fuel delivery fault
- Contaminated or aged sensor
Quick checks
- Scan access: Jaguar-specific: WDS/IDS or a Jaguar-capable scan tool
- Prefer official/field-verified path before guessing sensors
Typical fixes
- Smoke-test the intake
- Check fuel pressure
- Replace the upstream sensor