P238E — Water in Fuel Sensor B Circuit Intermittent

What Does P238E Mean?

P238E is a diagnostic trouble code indicating: Water in Fuel Sensor B Circuit Intermittent. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P238E

⚠️ Check Engine Light (MIL) illuminated
⚠️ Water in Fuel Sensor B signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Reduced engine performance

Common Causes

🔍 Loose or intermittent connection at Water in Fuel Sensor B
🔍 Wire chafing causing intermittent contact
🔍 Water in Fuel Sensor B failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P238E mean?

P238E indicates: Water in Fuel Sensor B Circuit Intermittent. The vehicle's computer has detected that the Water in Fuel Sensor B is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P238E?

Yes, P238E 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 P238E?

Repair costs for P238E 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 Water in Fuel Sensor B connectors
🔧 Repair chafed or damaged wiring in Water in Fuel Sensor B circuit
🔧 Replace Water in Fuel Sensor B if failing intermittently

1
Find your vehicle above
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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.

P238E: Water in Fuel Sensor B Circuit Intermittent