Fuel Injection Pump Timing Offset
The P2373 code means the vehicle's onboard diagnostic system has detected: Fuel Injection Pump Timing Offset. 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 P2373?
- 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 P2373? (Most Likely First)
- Worn or slipped injection pump timing gear Very High
- Incorrect injection pump installation High
- Worn pump drive components Moderate
- PCM timing calibration error Low
Can I Still Drive with P2373?
Short distances only. P2373 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P2373 mean?
P2373 relates to the fuel injection pump system: Fuel Injection Pump Timing Offset. This code is most commonly seen on diesel vehicles where precise pump timing is critical.
Can I drive with P2373?
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 P2373?
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 P2373?
-
Retrieve P2373 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 P2373?
- 2010-2018 BMW 328i 2.0L Turbo I4
- 2011-2017 Toyota Camry 3.5L V6
- 2015-2023 Hyundai Sonata 2.4L I4
- 2011-2019 Chevrolet Silverado 1500 5.3L V8
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