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Engine sputtering/power loss ****Fixed**** Bad TPS


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Thought I’d post this in the general forum to try and get some more ideas. 
2008 Joyner Renegade

800cc EFI Chery engine

1100mi

Starts and idles fine, drives well until you actually try to go, then starts to sputter as if it’s starving for fuel. Does this no matter what fuel pressure I set it too. I’ve tried 35-80psi 

New fuel pump

New fuel filter

Cleaned injectors

New thermostat

Fresh Fuel

Any smarty smarts out there with ideas? 

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  • Mike_Metzger changed the title to Engine sputtering/power loss ****Fixed**** Bad TPS
3 hours ago, Joe Breaux said:

so, Throttle Position Sensor was faulty?  that will cause problems 

Yes, I missed it because I noticed there was a spare TPS in the glove box. Swapped em out and  it would barely run. So I put the original back on, but never actually tried just unplugging it. Once I did that, holy $hit does this thing rip! 

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