Subaru Error Code P1102: How to Fix It

Q: Can I drive my Subaru with code P1102?

Yes, you can drive short distances, but avoid long trips. The engine may run rough, have poor fuel economy, or lack power. Address the issue promptly to prevent potential engine damage.

Q: How much does it cost to fix Subaru P1102?

DIY cleaning costs $10-15 for MAF cleaner. Professional diagnosis runs $100-150. If the MAF sensor needs replacement, expect $150-300 for the part plus $100-200 labor at a shop.

Q: What causes Subaru P1102 error code?

Common causes include a dirty MAF sensor, damaged wiring, a contaminated air filter, vacuum leaks in the intake system, or a failing MAF sensor that needs replacement.

Q: Will P1102 cause my Subaru to fail emissions testing?

Yes, any active diagnostic trouble code will typically cause an emissions test failure. The P1102 code must be resolved and the system must complete its readiness monitors before passing emissions testing.

Abstract

Subaru error code P1102 indicates a problem with the Mass Air Flow (MAF) sensor circuit signal range. This means the MAF sensor is sending readings that are outside the expected parameters to your engine's computer. While this won't immediately damage your engine, it can cause poor fuel economy, rough idling, and reduced performance.