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| First Generation Duramax Electronics Duramax 2001-2004 LB7 electronic engine upgrades such as chips, tuners, programmers |
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#1
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I have an 01 with the edge ez. when i start it first thing in the morning or after work it has a knocking sound at about half throttle. If i give it full throttle it sounds fine. I checked the connections and they're fine. any help? thanks.
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#2
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Short answer : No
Long answer : Two thoughts and I'm completely speculating. First I would try to isolate the problem. It's easy and quick to take the edge unit out of the equation. Unplug it from the truck, returning it to stock and see if the problem persists. If not, then it's obviously the edge unit. After that, I would call edge, they may have seen this before or at least have an idea of what might cause it. Pure speculation again, but if it only happens right after start up, it sounds like it's advancing timing on your truck before your truck is warmed up. I have the edge w/attitude and it won't start adding power/making adjustments until the ECT reaches 167 degrees.
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Dave 2007 3500 CC LB DRW 4X4 D/A 19.5" Eagle Alloys w/Michelin XRV 245/70/19.5, Prodigy Brake Controller, 4" MBRP Turbo back Cat delete, 60 Gal RDS Aux Tank/Toolbox combo, V2 w/fan, EFI Live, Autometer Nexus gauges, Allison deep pan, SD tie rod sleeves, Cognito braces, Bilstein shocks, SC IV w/1058, EGR blocker plate, Mike L tranny cooler In the garage: Firestone Air Bags, finger stick, PPE FPRV shim kit Traded - 2005 2500HD CC SB 4X4 Duramax Allison, LLY Overheater 2006 Weekend Warrior 5th Wheel (SLC3905 Billet) 2007 Honda Rincon 2006 Yamaha Rhino 2006 Honda TRX90 |
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#3
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Sorry i did'nt give you all the info. I have taken the unit off and called edge and they've sent me new one and it is still doing it. Thanks for the reply but I've done what you said. Thanks agin and sorry about that.
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#4
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Pilot injection sound perhaps? I am with blksmok, sounds like too much timing before warmup or a clash with the pilot injection. I take it that when you remove the edge it doesn't do this?
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#5
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Yup. Took it off and it runs fine. Any idea what to do?
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#6
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Anyone else near you that also has the edge? Maybe its normal for the edge to sound this way.
Anybody on here running the edge notice the behaviour this guy is describing? |
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#7
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I run Edge EZ on my LLY and have never heard this. I have had to remove it a couple times (dealer visits) and noticed no difference on or off. The only difference I notice is how underpowered the truck is until it gets warmed up, I believe Edge EZ will not engage (in any of the 3 levels: low, med, high) until a certain engine temperature (about 170)!
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04.5 Sierra LLY Crew Cab Shortbed / Allison EFI Live V2 Customized by McRat (tow & race) Fuel Rail Shim Mod / Autometer pyro & Boost Gauges Suncoast Tran by MikeL w/Cooler & X-fer Case upgrades EGR Blocked / 4" Flo Pro Catless Exhaust / PCV Reroute Komfort Trailer(10,000 Lb)/Prodigy Brake/Putnam Hitch Transfer Flow Fuel Tank(45g.) / Racor 2 micron fuel filter Bilstein Shocks / Rear Airbags Nitto Terra Grappler LT285/70/17 Helo Chrome Maxx 8 Wheels (17X8) Cognito Front Leveling Kit / Pitman:Idler Support Kit S/S Tie Rod Sleeves Schefenacker Telescopic Mirrors(all lights/heated/power) TxC Rad Mod V2 and CAI |
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#8
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Quote:
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John QUOTE "STUPID PEOPLE SHOULDN'T BREED" 2005 Dark Blue Metalic 2500HD LT CC/LB 2wd w Dual Alternators, RSEC, 06 Towing Mirrors, Snug Top Bed Cover, Edge Juice/Attitude, F/S, B/P, TxC CAI, TxC V2 w/fan, Mike L. Trans. Cooler, Suncoast 6spd Conversion Kit (Installed by Mike L. Thanks), Cat back 4" INTO 5" EXHAUST w/Aero Muffler, Factory Style Lighted Running Boards, Tekonsha Sentinel 9055 Brake Controller. Michelin 265/75r16 LTX M/S tires. ......... Born On 02/05 Pending Upgrades; Spray In bedliner 2001 Saturn L200 (Wifes Daily Driver) 1977 Ideal Travel Trailer 7K+ 1978 Wreidt Boat w/Berkley Jet SB 350 (Anyone wanna come help install the motor?) |
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#9
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You called it, I looked at my manual and it states: below 160 everything is stock. At 160 it starts to add fuel and timing @ 50%. The percentages increase as engine temperature increases until engine reaches 174 at which point it delivers 100% additional fuel and timing.
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04.5 Sierra LLY Crew Cab Shortbed / Allison EFI Live V2 Customized by McRat (tow & race) Fuel Rail Shim Mod / Autometer pyro & Boost Gauges Suncoast Tran by MikeL w/Cooler & X-fer Case upgrades EGR Blocked / 4" Flo Pro Catless Exhaust / PCV Reroute Komfort Trailer(10,000 Lb)/Prodigy Brake/Putnam Hitch Transfer Flow Fuel Tank(45g.) / Racor 2 micron fuel filter Bilstein Shocks / Rear Airbags Nitto Terra Grappler LT285/70/17 Helo Chrome Maxx 8 Wheels (17X8) Cognito Front Leveling Kit / Pitman:Idler Support Kit S/S Tie Rod Sleeves Schefenacker Telescopic Mirrors(all lights/heated/power) TxC Rad Mod V2 and CAI |
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#10
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thanks for the info guys. Im gonna have my truck checked for any codes and check the injector balance rates.
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