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Old 09-25-2003, 08:08 PM
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Default throttle body
I have had a extra stock throttle body from my 2003 5.3 silverado bored to 78mm. is there any trick to instaling it I put it on and the motor doesent seem to like it. anyone know about this?
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Old 09-25-2003, 10:46 PM
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Default Re: throttle body
What's your truck doing? Is it just not idling right or do you have problems while you're driving? What else do you have done?
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Old 09-25-2003, 11:17 PM
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Default Re: throttle body
the inlet in the intake manifold is smaller than the ammount of air coming into it...it's probably throwing off the computer somehow.
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Old 09-26-2003, 04:00 PM
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Default Re: throttle body
It is saying decreased enging power in the odometer screen. its like the computer is shutting down half the motor.
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Old 09-26-2003, 04:32 PM
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Default Re: throttle body
yeah, you're in limp mode....
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Old 09-26-2003, 05:17 PM
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Default Re: throttle body
what throttle body are you using. is it one you did yourself or one you had done.
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Old 09-26-2003, 05:33 PM
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Default Re: throttle body
I had a extra stock one modified.
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Old 09-26-2003, 05:35 PM
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Default Re: throttle body
I looked up decreased engine power in my manuel and it says its a overheating code. WTF ????? anyone ever run into this????
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Old 09-28-2003, 08:01 PM
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Default Re: throttle body
does anyone have a 80mm bbk throttle body? Could you please send me the installation instructions?
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