Injector Control Pressure Too High
The P2368 code means the vehicle's onboard diagnostic system has detected: Injector Control Pressure Too High. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $250 - $800 (parts and labor)
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What Are the Symptoms of P2368?
- Check Engine Light illuminated
- Hard starting especially when cold
- Rough idle and engine surging
- Reduced power under load
- White or black smoke from exhaust
What Causes P2368? (Most Likely First)
- Faulty injector pressure regulator (IPR) valve stuck closed Very High
- High-pressure oil pump over-pressurizing High
- Restricted oil drain-back passage Moderate
- Faulty ICP sensor giving false readings Low
Can I Still Drive with P2368?
Short distances only. P2368 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P2368 mean?
P2368 indicates an issue with the fuel injector control pressure system: Injector Control Pressure Too High. This is common on diesel engines that use high-pressure oil to actuate fuel injectors.
Can I drive with P2368?
Drive only short distances. Incorrect injector control pressure affects fuel delivery, causing rough running, hard starts, and potential engine damage.
How much does it cost to fix P2368?
Repairs typically cost $250 to $800, depending on whether the IPR valve, ICP sensor, or oil pump needs service.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2368?
-
Read P2368 and review freeze frame data including ICP and IPR values
-
Monitor ICP sensor readings at idle and compare to specifications
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Inspect IPR valve operation and test with a scan tool command
-
Check engine oil level, condition, and high-pressure oil system for leaks
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 P2368?
- 2013-2021 Nissan Altima 3.5L V6
- 2008-2016 Ford F-150 3.5L EcoBoost V6
- 2007-2015 Volkswagen Jetta 2.0L I4
- 2012-2020 BMW 328i 3.0L I6
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