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-   Chevy/GMC Duramax 01-04 LB7 (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/)
-   -   Bad FPR (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/12334-bad-fpr.html)

2500HeavyDuty 05-06-2008 01:33 AM

Bad FPR
 
Well finally my FPR is crapping out on me, 2-stroke wont calm it down anymore and it make that real loud "clack clack clack" noise when i let off the throttle.

Is there any tips or hints on replacing it, ive tried lookin in the factory service manual for anything about it and found nothing so far. it just takes me around in circles on how to remove the cp3:humm:

RTL Garage 05-28-2008 04:53 PM

Any Luck Calling The Stealership?

2500HeavyDuty 05-28-2008 11:27 PM

hell no, stealer would want way to much for that

RTL Garage 05-28-2008 11:31 PM

Just To Get A Read On Any Prior Issues - Or Any Leads Of Interest..

Reason I Ask - I Hate Trusting My Stealer With Warranty Work On My Trucks But If I Give Them A Good Stumper They Actually Look Into It.. Or If They Know From Prior Issues The May Share The Wealth.

2500HeavyDuty 05-28-2008 11:33 PM

well, it used to be bad, im thinking od replacing it with a modded FPR to help it hold higher rail pressure in the upper end.


but the problem i got now can be tuned to run right with EFI live. i just have to get some one to look at the tables for me, im still new at it

2500HeavyDuty 07-19-2008 08:42 PM

Problem fixed with EFI Live :)

bigdaddydiesel 08-27-2008 03:46 PM

Can you send me a pm or something about what the problem was? what you did to fix it?
simple retune???:w2:

2500HeavyDuty 08-27-2008 11:17 PM


Originally Posted by bigdaddydiesel (Post 200713)
Can you send me a pm or something about what the problem was? what you did to fix it?
simple retune???:w2:


modified b1010 on efi to help it out, you could also replace it with a stock one, or buy a modded one for the same price.

I eventually replaced mine with a modded one and tuned it with efi live, now it purrs at idle sitting at about 5000-5300psi.


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