Problems/Service/Maintenance Do you have problems with your new 2.0, 2.2, or 2.4L? What kind of service did you have done?

Lean At Idle

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Old 10-10-2018, 08:42 PM
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Lean At Idle



Well I pulled a p1133 after getting my a new flex pipe welded in after mine broke. So I check the feont O2 and a wire was frayed replaced it gone. Only code the car gas is a P0420 and it is catless. When I had the flex welded he told me the resonator is likely leaking, but i dont think that would give mt these trims. This is at idle and i think my idle is a little low. My IC pump has also had to be tapped here recently. Any ides why its went so lean? 3" intake 2.5" exhaust, no tune. Im wondering also if i could be a tune issue
Old 10-11-2018, 01:51 PM
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Originally Posted by HGT
All sensor 2 diagnostics need to be turned off when you remove the CAT.
I don't see where it is running lean.
I've seen my stft up to 20+, but i also noticed my front extension got burned on my longtube so I do think that may be a bit to do with it. I dont have hptuners yet so I cant turn off the diagnostics.
Old 10-11-2018, 02:19 PM
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Originally Posted by HGT
Short term Fuel trim will be all over the place as you drive. LTFT is the more important value to watch.
Well those are the same. There at idle its 20
Old 10-11-2018, 02:19 PM
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In that short log its 9-26
Old 10-11-2018, 05:37 PM
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Hopefully that is all it is. I do plan on getting hptuners asap to do that and get the car tuned. I hate it has and intake and exhaust and wasnt tuned 🙄 or so I was told..
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