Question about 1996 Nissan Sentra
I have a 2001 nissan sentra gxe 1.8L. It has a lean code 171. it is runing with a missfire and it has no power when pressing the acclrater.
it seems like MAF senser.
I have replace MAF no diffrence and I replace the fuel filter in side the tank, it was very durty but still no diffrance.
All of my O2 senser are reading lean so I am thinking it is feul problem but my fuel presser seems good 35psi and 45 psi with vacume off the fuel regulater.
now I am thinking it might be the PCM.........
PLEASE HELP ME OUT.
Ok the fuel pressure is very good , and you replace maf sensor too,
i think 2 probable throubles, one , the catalyc converter clogged , to check remove exhaust pipe section before catalyc and run engine, its very loudness, other is tps fault, tps is throttle position sensor, located on acceleration body
Posted on Jul 30, 2010
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Posted on Jan 02, 2017
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