Author Topic: Hiccup climbing hills  (Read 1274 times)

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Offline Miller205

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Hiccup climbing hills
« on: February 08, 2018, 11:56:34 AM »
I own a 2012 Jayco Embark on Freightliner M2 chassis with Cummins ISC. I have noticed on some trips thru West Virginia mountains that during long climbs, the engine will hiccup, or chug, and then return to normal. Its as if the engine actually stops running for .25 second, then starts/runs again. Do I need to do a regen, or is this normal?

Thanks, Mike

Offline David.e.atherton

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Re: Hiccup climbing hills
« Reply #1 on: February 08, 2018, 08:02:07 PM »
Miller, sounds like you have a break in wire from your fuel pump solenoid on side
of your CAP fuel pump that will change voltage by movement of wire or shaking.
Troubleshooting fuel pump solenoid interment voltage would recreate your problem.
Ask Dave, Dave Atherton Retired Cat Mechanic