The EGR on my project CRD is causing a drumming sound at idle (even though I removed the pipe and put a block off plate on it). Pulled the MAF plug and it went away for a minute, and then came back. Swapped MAF and same problem. I'm sure it's shot, but is there another easy way to disable it in the short term? Or is this the FCV? I pulled the plug on FCV and got same symptoms.

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05 CRD: H.D.S2 stat,WW Ironrock trilink&LCA's, OX rear,ARB front, 4.10's, ARB bumper, Suncoast,OME 3.5, JBA UCA,rock rails, Moabs&265/75 Duratracs, GDE tunes ,FFD fan,ARP's, 2 micron fuel, new valves,sasquatch battery tray & grid heater, tensioner relocated
Mech fan, VH & AC delete

Simply completely remove the the EGR valve along with all its plumbing along with the cooling lines and plug them. Get the Weeks FVC delete kit and completely do away with the FVC & EGR. For the short term till you can get a Weeks kit, simply remove the plate out of the FVC, real simple, just remove two screws and slide it out. I did all of this on mine last year and ran it for several months until Weeks came out with the FCV delete kit.

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Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount
98 Dodge Cummins 24 Valve

Thanks man, I wasn't sure if the FCV was the sound, or if it was the EGR oscillating, but I pulled the flapper like you said, and no more drumming sound

Does this mean that the FCV is bad, or is the EGR bad and causing a the FCV to act up? hmm, yeah, I should have ordered 2 of Weeks intake kits...

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05 CRD: H.D.S2 stat,WW Ironrock trilink&LCA's, OX rear,ARB front, 4.10's, ARB bumper, Suncoast,OME 3.5, JBA UCA,rock rails, Moabs&265/75 Duratracs, GDE tunes ,FFD fan,ARP's, 2 micron fuel, new valves,sasquatch battery tray & grid heater, tensioner relocated
Mech fan, VH & AC delete

Does not matter which one is bad! Get rid of both! You can run with the flapper out of the FCV from now on if you want to or until you can get the Weeks kit. The EGR; get rid of it and all of its plumbing including all the cooling lines. Less things to go sour!

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Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount
98 Dodge Cummins 24 Valve

Yeah, my daily driver has been loving life without all that crap!

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05 CRD: H.D.S2 stat,WW Ironrock trilink&LCA's, OX rear,ARB front, 4.10's, ARB bumper, Suncoast,OME 3.5, JBA UCA,rock rails, Moabs&265/75 Duratracs, GDE tunes ,FFD fan,ARP's, 2 micron fuel, new valves,sasquatch battery tray & grid heater, tensioner relocated
Mech fan, VH & AC delete