Thread: Service Engine Soon: Code P0171
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Old 09-26-2011, 08:08 PM   #18 (permalink)
jtgarza3
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Originally Posted by hansoac View Post
I'm back AGAIN!! I had a post about how the car wants stall when it starts after it sits overnight. Well I took it to Nissan and "everything checked out OK". Well 2 days later my check engine light came on and I had a code reader hooked up..the Code being P0171 Definition Fuel system lean bank 1 and bank 2
Probable cause: 1.Low Fuel pressure 2. Blocked Injectors 3. Large Vacuum Leak 4. MAF sensor fault
I looked up this error code before posting this and most people are saying it is a loose/not fully tight gas cap. I checked that over and over.
ANOTHER thing I noticed is that if I get on the gas aggressively, the car will studder at about 4 .5 RPM's. it is frustrating!! any ideas??

I also tried injector cleaner and making sure my air filters were seated ok.
i was wondering if you have got this problem fixed, i to am having that same problem i get on the gas aggressive it studders around 4-5k rpms and sounds like im red lining then. i noticed this after i was low on gas and filled up so i was thinking it is bad gas.
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