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2001 altima the engine idles rough but seems ok at higher ...
Sent to Nissan Experts April 05 08:47 PM

2001 altima the engine idles rough but seems ok at higher rpm. i get codes p0300, p0303, p0110, p0325, and p1336. i have changed the maf sensor, distributer, cap, rotor, plugs, wires, front o2 sensor, and the fuel filter. does anyone know what might be causing this problem

 

Optional Information:
2001 Nissan altima 2.4L

Already Tried:
plugs, wires, cap, rotor, distributer, front o2 sensor, fuel filter

Customer (name blocked for privacy)
Status:  Closed   Value: $15
Answer
April 5 8:56 PM (8 minutes and 56 seconds later)
         
ACCEPTEDCheck Mark

p0300 is multi cyl missfire

p0303 is cylender 3 missfire

p0110 is intake air temp sensor. <--- you probably cause this code by replaceing air flow meter. ignore it for now.

p0325 is knock sensor. probably does need a knock sensor. but lets fix the problems first and see if it comes back.

p1336, is fluctuation from the crank sensor. probably caused by the missfire.

all in all, I think your intake gasket is leaking. spray carburator cleaner around intake gasket while engine is running and listen for a change in idle or a air sucking noise.

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Shimell -- Nissan master technician -- 100% Positive Feedback on 270 Nissan Accepts
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