Injector Control Pressure Too Low
The P2290 code means the vehicle's onboard diagnostic system has detected: Injector Control Pressure Too Low. This is a critical severity code.
- Keep driving?
- No — stop driving
- DIY difficulty
- hard
- Estimated cost
- $300 - $2000 (parts and labor)
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What Are the Symptoms of P2290?
- Engine will not start or hard to start
- Rough idle and misfires
- Excessive white or black smoke from exhaust
- Loss of engine power
- Check Engine Light illuminated
What Causes P2290? (Most Likely First)
- Failing high-pressure oil pump (diesel) Very High
- Leaking injector O-rings or seals High
- Low engine oil level Moderate
- Failed injection pressure regulator valve Moderate
Can I Still Drive with P2290?
No — stop driving. P2290 is rated critical severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.
Frequently Asked Questions
Can I drive with code P2290?
No, do not drive. Low injector control pressure means the engine cannot properly inject fuel, leading to potential stalling and further engine damage.
What causes P2290?
Most commonly seen on diesel engines with high-pressure oil injection systems. A failing high-pressure oil pump or leaking injector seals are the typical causes.
Is P2290 expensive to fix?
Costs range from $300 to $2000. Diesel injection system repairs are complex and labor intensive. Check engine oil level first as it is the simplest potential fix.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2290?
-
Check engine oil level and condition
-
Monitor injector control pressure with a scan tool during cranking
-
Inspect high-pressure oil pump operation and output pressure
-
Check for oil leaks at injector O-rings and connections
-
Test the injection pressure regulator valve function
Sources 2
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)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Which Vehicles Commonly Get P2290?
- 2003-2010 Ford F-250 6.0L Diesel
- 2008-2016 Ford F-350 6.4L Diesel
- 2011-2019 Ford F-250 6.7L Diesel
- 2007-2015 Chevrolet Silverado 6.6L Duramax
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