P2A0E — Manifold Absolute Pressure Sensor B Circuit Intermittent/Erratic

What Does P2A0E Mean?

P2A0E is a diagnostic trouble code indicating: Manifold Absolute Pressure Sensor B Circuit Intermittent/Erratic. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2A0E

⚠️ Check Engine Light (MIL) illuminated
⚠️ Manifold Absolute Pressure Sensor B signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ System warning light illuminated

Common Causes

🔍 Loose or intermittent connection at Manifold Absolute Pressure Sensor B
🔍 Wire chafing causing intermittent contact
🔍 Manifold Absolute Pressure Sensor B failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P2A0E mean?

P2A0E indicates: Manifold Absolute Pressure Sensor B Circuit Intermittent/Erratic. The vehicle's computer has detected that the Manifold Absolute Pressure Sensor B is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2A0E?

Yes, P2A0E is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P2A0E?

Repair costs for P2A0E typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and reseat all Manifold Absolute Pressure Sensor B connectors
🔧 Repair chafed or damaged wiring in Manifold Absolute Pressure Sensor B circuit
🔧 Replace Manifold Absolute Pressure Sensor B if failing intermittently

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2A0E: Manifold Absolute Pressure Sensor B Circuit Intermittent/Erratic