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Surging when temp hits 205

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Hey everyone, my 08 megacab started surging after a head gasket was replaced, seems to be worse when hot out or going up long hills, just keeps cutting out briefly until temp goes down, got a programmer but I turn it off and never use it, just had the fass fuel pump replaced, still does it, any ideas?

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  • AH64ID
    AH64ID

    Take the solid fuel rail bolt out, it will cause long term issues.    Have the crossover tubes been retorqued?   Do you have anything to monitor load, rail pressure (desired and ac

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are you %100 sure the programmer is actually off?  is it exactly at 205*?

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240 k and I don't know if they've been changed, I got burned by this dealership, had to put a head gasket in right after I bought it, and I've got way too much wrapped up in this thing

Have you talked to the shop that did the HG?

 

  • Author

Yes, I had to basically make him go drive it up the hill to see it was still surging, he said he didn't know other than to start " throwing injectors at it", he did the fass fuel pump, I put a solid fuel rail bolt in, next I'm gonna try putting a new back pressure sensor in and cleaning the line

Take the solid fuel rail bolt out, it will cause long term issues. 

 

Have the crossover tubes been retorqued?

 

Do you have anything to monitor load, rail pressure (desired and actual), boost?

Edited by AH64ID

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.