Fuel Injection Pump Speed/Timing Sensor Circuit
The P2375 code means the vehicle's onboard diagnostic system has detected: Fuel Injection Pump Speed/Timing Sensor Circuit. 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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Common Symptoms
- Check Engine Light on
- Engine hard starting or no start condition
- Rough idle and engine knocking
- Excessive smoke from exhaust
- Significant power loss
Probable Causes (Ranked by Likelihood)
- 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
Step-by-Step Diagnostic Procedure
-
Retrieve P2375 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
Frequently Asked Questions
What does P2375 mean?
P2375 relates to the fuel injection pump system: Fuel Injection Pump Speed/Timing Sensor Circuit. This code is most commonly seen on diesel vehicles where precise pump timing is critical.
Can I drive with P2375?
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 P2375?
Costs range from $300 for sensor or wiring repairs to $1,500+ if the injection pump itself needs replacement or rebuilding.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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