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Car Forum / Nissan / Nissan Maxima / May 2005maxima 2000 codes
My daughter has a maxima 2000 .The problem she is having is intermittenly the car runs rough and even at high speeds 90mph it seems it's holding back some power.We just had all 6 coils replaced because of the codes that came up . That went away but now we are getting codes PO171 and PO174. any suggestions. G'day Mate, P0171 - Fuel Injection System Too Lean (Bank 1) P0174 - Fuel Injection System Too Lean (Bank 2) Cheers. Nirav 96 Max GLE, 117k G'day to you too mate thanks for the response the other day. My mechanic looked at a couple of prints out but he already had in mind to change the Mass airflow sensor. Since doing it last thursday 5/19 my daughter says she cannot believe the difference and pick up it now has.Unfortuately there is no code for a problem on Mass Aiflow sensor.My mechanic said most people would have started at the o2 sensors .Our cost was $200. i hope this helps other owners Your mechanic was correct in diagnosing the Mass airflow sensor. The failure codes you were seeing seem to be one of the more frequently occuring problems on the 2000 year Maxima's. Each time, the MAF has been the source of the problem. Glad you got the problem fixed. Cheers. Nirav 96 Max GLE, 117k The DTC's you mentioned are P0171 (Fuel injection system lean/righ bank) and P0174 (Fuel injection system lean/left bank). Possibl Cause: Intake air leaks Front heated oxygen sensor Injectors Exhaust gas leaks Incorrect fuel pressure Lack of fuel Mass air flow senso -- socal1 |
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