M11 Series Engines – Engine Decelerates Slowly (PT)

Symptom Tree  t041-011

This is symptom tree t041-011
Cause Correction

Accelerator pedal or lever is sticking

Check for a sticking accelerator pedal. Refer to the OEM service manual.

 

Fuel drain line restriction

Check the fuel drain lines for restriction. Clear or replace the fuel lines, check valves, or tank vents as necessary. Refer to Procedure 006-012.

 

Fuel tank vents are plugged or damaged

Remove and clean the tank vents. Replace the vents if necessary. Refer to the OEM service manual.

 

Overhead fuel tank check valve is restricted or is not opening

Check the fuel tank check valve for debris. Check the valve for the correct plumbing arrangement. Refer to the OEM service manual.

 

Fuel pump pulsation damper is cracked

Inspect the fuel pump pulsation damper. Replace the pulsation damper if necessary. Refer to Procedure 005-031.

 

PT fuel pump throttle leakage is excessive

Remove the fuel pump. Refer to Procedure 005-036.

 

Injector check ball is not seating correctly or is missing

Check the injectors. Repair or replace the injectors as necessary. Refer to Procedure 006-026.

 

Injector is malfunctioning (PT/STC)

Remove and check the injectors. Replace injectors as necessary. Refer to Procedure 006-026.

 
Last Modified:  05-Jan-2004