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Posted

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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Posted

I thought that too, but it’s just the super skinny tips make it look like the gaps are huge, did just pickup a feeler gauge though, we’ll see whet they are currently at. Any idea what recommended plug gap is? .035….. 

Posted
3 hours ago, T-boss 410 said:

What are the spark plugs gapped at? It's probably just the pic, but those gaps look kinda big. 

Gap was about .050, gapped them to .030 and ZERO difference 😕😕😕

Posted
13 hours ago, T-boss 410 said:

According to my service manual, the gap for mine is 0.6-0 7mm. Not sure how that converts to inches. But, it is a moot point since you already regapped the plugs. 

.023  -  .027 thou

  • Mike_Metzger changed the title to Engine sputtering/power loss ****Fixed**** Bad TPS
Posted
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! 

  • 2 weeks later...
Posted
On 6/16/2021 at 10:30 PM, T-boss 410 said:

According to my service manual, the gap for mine is 0.6-0 7mm. Not sure how that converts to inches. But, it is a moot point since you already regapped the plugs. 

.023-.027 gap

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