Code result
P262A
Fuel Injector - Pilot Injection Not Learned
Moderate severity
What it means
The pilot (pre) injection learning routine on a common-rail diesel did not complete successfully. Without learned pilot quantity, combustion noise increases and NOx may rise.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Injector flow drift outside learning window
highOne of the most commonly reported causes for this code — check this first.
Unstable rail pressure during learning cycle
mediumA plausible cause — test and verify before replacing parts.
Related help
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