Lean after fuel pump install
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Join Date: Mar 2001
Location: Lutz, Fl
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Lean after fuel pump install
I installed a walbro pump and replaced and moved the fuel filter to the engine bay using the K&N filter. I checked for leaks and didnt find any. My problem is when I get on it my PMS tells me I am running .64 O2. I let off immediatly. just wondering why I would be running lean after I installed these parts. What fuel pressure should I being seeing under WOT, idle, and partial throttle? please let me know.
Shawn
'93 SSM Base
Mods: Streetport, N-Tech FAIS, Pettit dowmpipe, Apex'i Gt, EFI PMS, Walbro Pump, K&N fuel filter
Shawn
'93 SSM Base
Mods: Streetport, N-Tech FAIS, Pettit dowmpipe, Apex'i Gt, EFI PMS, Walbro Pump, K&N fuel filter
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trickster
2nd Generation Specific (1986-1992)
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07-01-23 04:40 PM