DTC P0103 — Mass Air Flow Sensor Circuit High Input
P0103 indicates: Mass Air Flow Sensor Circuit High Input.
Diagnostic summary
P0103
What it means
Mass Air Flow Sensor Circuit High Input
Can you drive?
⚠️ Drive with caution
Urgency
Medium 5/10
Typical price
$30 – $350
Check first
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Updated May 7, 2026 Seen on Powertrain
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ℹ️ What does it mean?
Mass Air Flow Sensor Circuit High Input
🔍 Symptoms
- • Check Engine Light on
- • Reduced engine performance
- • Increased fuel consumption
- • Unusual engine behavior
⚠️ Possible Causes
- ⚠ Faulty MAF sensor
- ⚠ Short circuit
- ⚠ Contaminated sensor element
- ⚠ Wiring issue
🚗 Can I drive with this code?
Drive with caution
Drive with caution. Schedule a repair soon.
🔧 How to Diagnose
- 1 Read DTCs with OBD-II scanner
- 2 Check freeze frame data
- 3 Inspect related components
- 4 Clear codes and test drive
🛠️ How to Fix
- 1 Replace MAF sensor
- 2 Repair shorted wiring
- 3 Inspect connector
💰 Estimated Repair Cost
Repair cost by car / region
Early rough estimate. Accuracy improves as more real repair stories are added.
DIY / parts$11 – $228
Mechanic / labor$14 – $263
Repair range$30 – $350
❓ FAQ
What does P0103 mean?
Mass Air Flow Sensor Circuit High Input
How serious is P0103?
Severity: medium. Drive with caution. Schedule a repair soon.
How much does it cost to fix P0103?
Estimated repair cost: $30–$350 depending on vehicle and region.
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