Electrical
Code P0103
MAF Sensor High Input
Plain English Meaning:Airflow reading too high
⚠️
Yellow: Drive with Caution
Can waste fuel
P0103 Symptoms
- •Engine running rich poor MPG
Most Common Causes of P0103
1Sensor fault wiring issue
P0103 Repair Playbook
Required Mechanic Tests
A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:
Check voltage inspect intake
Typical Fix Paths & Estimated Costs
Replace MAF $100–$300
Fair Pricing Guides
Check our database for average parts, labor, and expected repair costs before heading to a mechanic.