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Old July 11th, 2009, 05:01 PM   #1
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Default Anyone Know a Good Throttle Body Rebuilder??

Hello, my truck sat for 2 years before i took it out again this winter. And i know got the income to get the Throttle Body rebuilt and cleaning. Im just wondering if anyone knew a decent repair shop that could do this, for a decent price? Or anyone have a friend or something? I have a 1994 chevy 1500 with a 350.
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Old July 11th, 2009, 05:04 PM   #2
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do it yourself it's very easy. TBI's are so simple
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Old July 11th, 2009, 05:18 PM   #3
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are they?

I cant find nothing about it
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Old July 11th, 2009, 06:06 PM   #4
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anyone ever do a TBI rebuild on a chevy k1500? That could possible give me some tips, becuase i think im going to give it a shot
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Old July 11th, 2009, 08:35 PM   #5
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whats wrong with the truck to make you think you need to rebuild the throttle body?
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Old July 12th, 2009, 12:31 AM   #6
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Okay, i turn the truck on, idle is good, and the first push on the gas is good. But then it will start to bog (ba ba ba ba), and if you keep the throttle were its at it will just keep making that noise for about 2 miles, until it will finally level its self out and actully sound and feel normal. But when its boggy, if you give it to much gas it will backfire, and possibly stall. When braking, the engine will bog down, like its going to die, and will stall most of the time. When i finally reach running temp, about 160 degrees or so, it will run normal.

sorry if thats complicated or made no since, its 1:30 in the morning. lol

and since it wasnt driven for 2 years, i thought maybe there was gunk or something in the Throttle body, or something that would cause the truck not to run correctly.
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Old July 12th, 2009, 09:59 AM   #7
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i would check and or do a tune up on it first. plugs wires cap rotor and especially fuel filter. see if that helps it out any.
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Old July 12th, 2009, 03:45 PM   #8
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it has a new rotor plugs and spark plugs, right after i took it out during winter
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Old July 12th, 2009, 10:31 PM   #9
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Quote:
Originally Posted by XLJetsFan52 View Post
Okay, i turn the truck on, idle is good, and the first push on the gas is good. But then it will start to bog (ba ba ba ba), and if you keep the throttle were its at it will just keep making that noise for about 2 miles, until it will finally level its self out and actully sound and feel normal. But when its boggy, if you give it to much gas it will backfire, and possibly stall. When braking, the engine will bog down, like its going to die, and will stall most of the time. When i finally reach running temp, about 160 degrees or so, it will run normal.

sorry if thats complicated or made no since, its 1:30 in the morning. lol

and since it wasnt driven for 2 years, i thought maybe there was gunk or something in the Throttle body, or something that would cause the truck not to run correctly.
make sure you have no vacuum leaks as well...use a propane torch (unlit) and run it around all vacuum lines, break booster, intake gasket area, tbi gasket area, etc, while the truck is idling...if the rpm increases when the propane is directed at one spot, there is the vacuum leak
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Old July 12th, 2009, 10:37 PM   #10
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had the same problem..... it was the fuel pump
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Old July 12th, 2009, 10:44 PM   #11
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alright guys, thanks for your help. I gotta wait for next pay day to do anything, but I'll be sure to take a look at everything you guys said.
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Old July 18th, 2009, 11:03 AM   #12
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One thing I can add is the fact the TBI base gaskets are prone to sucking in on the back of the right side under the tbi. I have replaced many in my years and it ussally had a bad effect on running, most noticablly was a high idle. secondly check your EGR valve. I would almost bet its never been removed and cleaned. if it gets stuck open then it to can do what you discribed.
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Old July 23rd, 2009, 03:31 PM   #13
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I'm going to give it a week. I just filled the tank to the brim, so i added some injector cleaner. so ill see how that goes. and i dont have a high idle, just a rough one. Most of the time its only around 400 or so. but is jumpy. but yea, that gasket is what i was trying to get at in the first place, but since the TBI will be off, why not clean it.
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Old July 23rd, 2009, 03:31 PM   #14
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Is there any way i can do more harm than good??
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Old July 23rd, 2009, 03:38 PM   #15
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Quote:
Originally Posted by XLJetsFan52 View Post
Is there any way i can do more harm than good??
Always a chance
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Old July 27th, 2009, 10:08 AM   #16
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Be carefull not to break the fragile aluminum casting on the throttle body where the fuel lines attach. Broke 2 of them in that spot, and another tightening the injector cap down.
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