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Discussion Starter · #1 ·
I have been getting p2074 for a while now and can’t figure it out. Sometimes the cel goes away and my car will let me go past 4k rpms, but as soon as that light comes back on it forces me below 4k. I’m pretty sure I have vacuum lines set up correctly on throttle body and MAP. Anyone have any ideas?
 

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mods on the car?
 

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Most likely a boost leak or too much boost at part throttle (PTB-part throttle boost).
 
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