2.4L Performance Tech 16 valve 172 hp EcoTec with 162 lb-ft of torque

P0121 code

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Old 05-29-2017, 11:00 AM
  #11  
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The problem with mounting a turbo on the 2.4 non turbo engine is predominantly the HPFP is non existent, so the turbo spins, forcing extra air into the intake, but the electric pump in the tank can't keep up! So, you get a lean fuel load!
Did the turbo setup come with fuel injectors designed to work with the turbo?
A fuel pump with more volume to mount in the tank?
What about the throttle body, from a 2.0 turbo or did you reuse the stock 2.4 TB ?

I think y'all see where this is going!
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Old 05-29-2017, 11:52 AM
  #12  
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Originally Posted by Oldblue
The problem with mounting a turbo on the 2.4 non turbo engine is predominantly the HPFP is non existent, so the turbo spins, forcing extra air into the intake, but the electric pump in the tank can't keep up! So, you get a lean fuel load!
Did the turbo setup come with fuel injectors designed to work with the turbo?
A fuel pump with more volume to mount in the tank?
What about the throttle body, from a 2.0 turbo or did you reuse the stock 2.4 TB ?

I think y'all see where this is going!
Yes came with injectors. Everything was used that came from the dinar car and he didn't have any problems. I changed to different injectors cause that's what the previous tuner recommended that I changed to. Stock throttle body. The lean and rich condition have gone away just can't figure out the 121.
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