Cummins Generator Error Code 355: How to Fix It

Q: Can I run my generator with error code 355?

It's not recommended. Low or high fuel pressure can damage the engine. Fix the issue first to avoid costly repairs.

Q: What causes Cummins generator error code 355?

Common causes include low fuel level, clogged fuel filters, fuel leaks, a faulty fuel pump, or a malfunctioning fuel pressure regulator.

Q: How do I reset error code 355 on my Cummins generator?

Turn off the generator, disconnect the battery for 10 minutes, then reconnect and start. If the code returns, the underlying problem is not resolved.

Q: Do I need special tools to fix error code 355?

Yes, a fuel pressure gauge and multimeter are often needed. You may also need a fuel filter wrench.

Q: Is error code 355 serious?

It's moderately serious. It indicates a fuel pressure problem that can prevent starting or cause poor performance. Ignoring it may lead to engine damage.

Abstract

Error code 355 on your Cummins generator indicates a problem with the engine fuel pressure. This usually means the fuel pressure is too low or too high, preventing the generator from starting or running properly. Follow these steps to diagnose and fix the issue.