Fuel Injection Timing Control Circuit/Open
The P2381 code means the vehicle's onboard diagnostic system has detected: Fuel Injection Timing Control Circuit/Open. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,500 (parts and labor)
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What Are the Symptoms of P2381?
- Check Engine Light on
- Engine hard starting or no start condition
- Rough idle and engine knocking
- Excessive smoke from exhaust
- Significant power loss
What Causes P2381? (Most Likely First)
- Faulty fuel injection pump speed/timing sensor Very High
- Wiring issue in pump sensor circuit High
- Worn injection pump internal components Moderate
- PCM/ECM malfunction Low
Can I Still Drive with P2381?
Short distances only. P2381 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P2381 mean?
P2381 relates to the fuel injection pump system: Fuel Injection Timing Control Circuit/Open. This code is most commonly seen on diesel vehicles where precise pump timing is critical.
Can I drive with P2381?
Drive only short distances to a shop. Fuel injection pump issues can cause hard starting, poor performance, and potential engine damage from incorrect timing.
How much does it cost to fix P2381?
Costs range from $300 for sensor or wiring repairs to $1,500+ if the injection pump itself needs replacement or rebuilding.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2381?
-
Retrieve P2381 and check for related fuel system codes
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Monitor injection pump timing and speed data with a scan tool
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Inspect injection pump sensor wiring and connectors for damage
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Verify injection pump timing alignment marks are correct
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get P2381?
- 2007-2015 Chevrolet Silverado 1500 5.3L V8
- 2008-2016 Toyota Camry 3.5L V6
- 2010-2020 BMW 328i 3.0L I6
- 2010-2018 Ford F-150 5.0L V8
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