O2 sensor replacement - Nissan Forum

 
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post #1 of 3 Old Apr 14th, 2017, 08:14 PM Thread Starter
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O2 sensor replacement

New member. '01 Pathy, XE 4WD 5sp. Scanner showed Bank 1 lean, so replaced the B1 Sensor 2 (downstream) O2 sensor today. Never done it before, but pretty straight forward. The sensors before the CAT appear to be different story. Anyone who has done B1 & B2 upstream, is it as tricky as it looks? Hoses come off; manifold cover off and on Drivers side, air intake... does all this have to come off to get at the upstream sensors? Thinking I might be do plugs and maybe coils if so as I am due with plugs (Plat) nearing 100K and five original Coils (180K miles) ... Would appreciate feedback on the o2's and open to comments on plugs n coils. Severe stumble and hesitation on startup till warm.
Cheers,

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post #2 of 3 Old Apr 16th, 2017, 12:51 AM
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no helpful answers - i'm looking to do this soon as well. however, my symptoms have diminished after switching to 'real' gas (i.e. no ethanol). Still getting related error codes but you might want to try finding better gas or juicing your tank up with additives in the meantime.

d
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post #3 of 3 Old Apr 18th, 2017, 02:54 PM Thread Starter
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Quote:
Originally Posted by dfrhodes View Post
no helpful answers - i'm looking to do this soon as well. however, my symptoms have diminished after switching to 'real' gas (i.e. no ethanol). Still getting related error codes but you might want to try finding better gas or juicing your tank up with additives in the meantime.

d
Thanks...
D./
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