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Discussion Starter #1
I have a 99 Gmc k2500 i put a cold air intake throttle body spacer and duel exhaust when giveing it some gas it bogs down and makes no power it acts like fuel is loading up it did this once before and it had o2 sencer codes ran great after i cleard them but this time no codes came up on the scaner. does anyone have any ideas what is happening?
 

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JUGS Racing
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1,199 Posts
Remove the throttle body spacer and see what happens. Those dont do anything on your engine.
 

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JUGS Racing
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1,199 Posts
Did it do this before all the mods?
 

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3,103 Posts
Pull the front o2 and clean them. Check of the MAF is installed right.
 

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Discussion Starter #6
no...... the last time was right after the exhaust and it was o2 sensers but now its the same problem but no codes
 
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