6691 SPN Fault Code

Name:

Engine Gaseous Fuel Valve 14 Start of Actuation Command

Description:

The angle, relative to the TDC of cylinder 14, with 0 being the TDC before the power stroke commences, at the which gaseous fuel valve 14 is activated to open.Timings after TDC are referred with positive values and timings before TDC are referred with negative values. This is the timing for the secondary fuel injector. See SPN 1426 for the primary fuel injector timing.

6691 spn fault code name is Engine Gaseous Fuel Valve 14 Start of Actuation Command. If you don't take the time to look into 6691 spn fault when it arises, it can add up quickly. One small issue like 6691 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 6691 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.

6691 SPN Fault Code

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