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Old 04-09-2023, 11:58 AM   #1
spyderbuddy


 
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PO Code 2099

any one have a run in with this code
everything checks with a code reader, All O2 sensor seem to be working
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Old 04-09-2023, 01:41 PM   #2
gtstorey


 
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Service manual says
Exhaust leak
Low fuel pressure
Engine vacuum leaks
Fuel contamination
Lean fuel injectors

Says it isn’t o2 sensor without other codes

Basically engine is running lean during 17-65% load and trims can’t correct enough.

Last edited by gtstorey; 04-09-2023 at 07:00 PM.
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Old 04-09-2023, 02:22 PM   #3
spyderbuddy


 
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Quote:
Originally Posted by gtstorey View Post
Service manual says
Exhaust leak
Low fuel pressure
Engine vacuum leaks
Fuel contamination
Lean fuel injectors

Says it isn’t o2 sensor without other codes

Basically engine is running lean during 17-65% load and trims can correct enough.


That's different?

thanks
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