No power 2001 s crew
Thread Starter
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Senior User
Joined: Oct 2007
Posts: 264
Likes: 0
From: Scottsdale, AZ
No power 2001 s crew
my truck seems to bog until i hit 2000 rpm i changed the plugs which were a chalky burnt light tan color and i cleaned the maf, throttle body and changed the fuel filter but its still bogging encept when the truck is cold please help
Post Fiend
Joined: Oct 2004
Posts: 10,418
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From: SpringHill,Fl
I was having the same problem, Banshee
try disconnecting the battery so that the puter will relearn all the settings...
seems to have helped mine
try disconnecting the battery so that the puter will relearn all the settings...
seems to have helped mine
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Post Fiend
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From: SpringHill,Fl
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Posting Guru
Joined: Oct 2005
Posts: 2,209
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From: Louisville, Kentucky
I agree with AZBlueWolf about restting the ECM. Disconnect the battery ground cable for 30 minutes. Hook it back up and the ECM will have lost all of the information in the fuel tables and other logged information. It will be like the truck when it rolled off of the assembly line, it has to learn how to run with all the sensors feeding it new, fresh information. It is certainly worth a shot. Good luck! 
Thread Starter
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Senior User
Joined: Oct 2007
Posts: 264
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From: Scottsdale, AZ
disconnected the battery and got new high flow cats in the rear and deleted the two front cats and truck is still a dog except when it is cold after sitting over night but when it heats up its soooo slow until 2100 rpm what gives no dtcs no signs of anything please help
Fleet Mechanic
Joined: Nov 2000
Posts: 1,713
Likes: 2
From: In my House
It def has something to do with one of your sensors. I would replaced your ECT (Engine coolant temp) sensor. The computer runs in closed loop mode until it gets to operating temp, then it goes into open loop mode and gets its inputs from the sensors.
Good Luck
Rich
Good Luck
Rich
Laughing Gas
Joined: Oct 2005
Posts: 1,058
Likes: 1
From: South Jersey
Is your truck using more fuel than before the problem? If so then it could be a sensor like as mentioned, causing the ecm to add more fuel due to improper signals. A failing fuel regulator or a weakining fuel pump could be some more possibilities.