Index storingcodes · medium
P1100
Mass air flow (MAF) sensor - intermittent signal
Mass air flow (MAF) sensor - intermittent signal
Applies to: All X-TYPE variants, 2001-2009 (saloon & estate) · Confidence: Manufacturer code list + field-verified causes
Common causes
- Loose or corroded MAF connector
- Chafed MAF signal wire
- MAF sensor failing intermittently
Quick checks
- Scan access: Jaguar-specific: WDS/IDS or a Jaguar-capable scan tool
- Prefer official/field-verified path before guessing sensors
Typical fixes
- Wiggle-test the MAF harness while watching live airflow
- Clean connector pins
- Replace MAF sensor