Hello This issue sounds like you have debri in your fuel tank that is getting caught in/on the stand pipe restricting the fuel flow. I would start with a fuel inlet test to the engine from the tank. Your issue sounds text book because when you shut it off it releases the restriction.
Hi. Thanks for using JA! I think I can help you out.
Do you have a Caterpillar 3126 or C7 engine?
Also, if your check engine light is coming on, can you get the flash codes for me?
Here are the procedures for pulling Flash codes from the ECM.
Use the diagnostic Lamp or a Caterpillar electronic service tool to determine the diagnostic flash code.
Use the following procedure to retrieve the flash codes if the engine is equipped with a diagnostic lamp:
The yellow lamp will flash in order to indicate a two digit flash code and the SET/RESUME switch may be released. The sequence of flashes represents the system diagnostic message. Count the first sequence of flashes in order to determine the first digit of the flash code. After a two second pause, the second sequence of flashes will identify the second digit of the flash code.
Any additional flash codes will follow after a pause. These codes will be displayed in the same manner. Flash Code 55 indicates that No Detected Faults have occurred since the ignition keyswitch has been turned to the ON position.
Hi. Yes I have heard of your problem. You mentioned that your check engine light came on correct? I was just trying to retrieve the fault codes from the ECM.
Do you have a Caterpillar engine?
If so, the problem I have seen before is with the Injection Actuation PRessure system. WHen the check engine light comes on and the engine looses power, I usually find that the engine has a 164 code. The main thing that causes this issue is the IAPCV. Injection Actuation Pressure Control Valve. The IAPCV failure is very common on Cat 3126 Engines.
Please let me know if you have any more questions.
scott you seem to no what you are talking about i will pay you for your time, i did what you said and this is what happen ist i got a code 1 then a pause and then a 5 then a pause then a 3 then pause then 9 then pause then a 4 then pause then 9
i then try again and the same numbers came up then i try a third time same thing what does this mean
i wish i new more about this thanks
Congratulations! You just pulled Flash codes out of the ECM. Thanks for the information. Your engine is showing codes for the Injection Actuation Pressure Sensor (15) and the Injection Actuation Pressure System (39). You also have a code 49 but that is not causing your problem. Since you have a Flash code of 15 I would recommend replacing the Injections Actuation Pressure Sensor. Code 39 can be caused by code 15. I have included a list of the Flash codes for your engine.