What are the common causes of P2E59?

A clogged or dirty cylinder 1 alternative fuel injector. Low alternative fuel pressure from a weak pump. A leaking cylinder 1 injector seal. Contaminated or stale alternative fuel.

Check the alternative fuel level and condition. Swap cylinder 1's injector with another cylinder and recheck. Test alternative fuel pressure at the rail. Inspect cylinder 1 injector seals for leaks. Replace cylinder 1's alternative fuel injector if the misfire follows it. Clear the code and retest.

P2E59

Cylinder 1 Alternative Fuel Misfire Detected

System: Powertrain control (P code)
Lamp: Check Engine Light
Category: Powertrain - Fuel/Air Metering

What it means

P2E59 means Cylinder 1 Alternative Fuel Misfire Detected.

Check these first

A clogged or dirty cylinder 1 alternative fuel injector
Low alternative fuel pressure from a weak pump
A leaking cylinder 1 injector seal
Contaminated or stale alternative fuel

What to do next

Check the alternative fuel level and condition
Swap cylinder 1's injector with another cylinder and recheck
Test alternative fuel pressure at the rail
Inspect cylinder 1 injector seals for leaks
Replace cylinder 1's alternative fuel injector if the misfire follows it
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.