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Go Back   NissanForums.com :: Nissan Forum > Nissan Models > Sentra, Pulsar, NX, B14 200SX > QG18 1.8L Engine
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QG18 1.8L Engine Engine Discussion: 2000+ Sentra XE, GXE, & 1.8

       
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Old Dec 19th, 2007, 07:06 PM   #1 (permalink)
mananitee
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02 sensors

my check engine soon light has been on for a while. whe i went for a diagnosis it said that i needed new 02 sensors. how would i check if the 02 sensor was good or bad cause i dont wanna change all four.
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Old Dec 19th, 2007, 11:37 PM   #2 (permalink)
2dr_Sentra
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I'm pretty positive you can use a DVOM to check them. When you had your car on the diagnosis they should have been able to tell you which sensors where bad.
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Old Dec 20th, 2007, 09:35 PM   #3 (permalink)
mananitee
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Would it cost much to take it to a shop and get them all checked?
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Old Dec 20th, 2007, 11:49 PM   #4 (permalink)
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Quote:
Originally Posted by mananitee View Post
Would it cost much to take it to a shop and get them all checked?
Take it back to where you had it done, they should be able to tell you which one is the faulty sensor.
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Old Dec 29th, 2007, 10:55 AM   #5 (permalink)
KAB0987
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i have bad 02 sensors too, and my code is PO420 saying my bank1 and bank 2 sensors are bad.... i have four.... which two are bad?
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