6657 SPN Fault Code

Name:

Engine Gaseous Fuel Valve Nominal Start of Actuation Command

Description:

The angle, relative to the TDC of each cylinder, with 0 being the TDC before the power stroke commences, at the which gaseous fuel valves are activated to open. It�s a nominal value used for all the gaseous fuel valves in the engine.Timings after TDC are referred with positive values and timings before TDC are referred with negative values. Note: Please see SPNs 6678 � 6697 for Start of injection command for each gaseous fuel valves

6657 spn fault code name is Engine Gaseous Fuel Valve Nominal Start of Actuation Command. If you don't take the time to look into 6657 spn fault when it arises, it can add up quickly. One small issue like 6657 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 6657 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

6657 SPN Fault Code

Name:

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