CAT Fault Code

Free · no signup

E157-2

Engine Stalling / High Load

System

Fuel System

Symptom

Engine Stalling / High Load

Diagnosis & fix steps

LOGIC: Fuel Rail Pressure Deviation. ACTION: Check the fuel priming pump check valve for debris.

Red Seal field insights

RED SEAL FIX: If the debris is metallic, the high-pressure pump is "shelling" out.

Track this across your whole fleet

This code is free to read. AM Fleet Integrity lets your team log fault codes against assets, plus the full fault-code library, QR operator reporting, PM scheduling and predictive alerts. Start free — no credit card required.

Start your free trial