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I have a 2008 Altima 4 banger....Getting a variance of cat
I have a 2008 Altima 4 banger....Getting a variance of cat voltage error code....Upstream O2 sensor voltage runs 2.00 - 2.20, the downstream O2 sensor runs 0.920 - 0.120....clear CEL and after running… read more
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2014 NISSAN ALTIMA HTD 02 SENSOR WONT GET READY.... DRIVEN
2014 NISSAN ALTIMAHTD 02 SENSOR WONT GET READY.... DRIVEN IT 300 MILES PLUS... NO PENDING CODES.. WHAT CAN I DO.I NOTICED THAT WHEN TURN ON CAR ON MESSAGE CENTER HAS LOW OUTSIDE TEMPERAURE ON DASH DOE… read more
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I have a P0420 error code. But, whats confusing me is the
I have a P0420 error code. But, whats confusing me is the OBD reader is also telling me that the monitors for the O2 sensors are not reading. I replaced the Bank 1 downstream sensor, but still getting… read more
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I have a 97 pathfinder automatic trans.. when looking at
hi I have a 97 pathfinder automatic trans.. when looking at scan tool data when driving with foot steady on accelerator the downstream o2 sensor mimics the front one on both sides. but when I let off … read more
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How do I complete a drive cycle for a 2004 nissan Murano to get the 02 sensors to pass smog… read more
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I need the drive cycle 2004 Nissan Altima 2.5l. : The Cat
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Dan
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I have a Nissan titan 2005, I have replace all bank sensor,
I have a Nissan titan 2005, I have replace all bank sensor, the problem is that bank 2 sensor is cycling faster than the rear bank 2 sensor. can u help me with that answer… read more
camerontech
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Pathfinder: Roy how are you? I am Stafford and I have a
Hi Roy how are you? I am Stafford and I have a 2002 Nissan Pathfinder with a P0420 Code and I am NOT sure whether its the Cat or O2 Sensor on Bank 1 need replacing. The more I read, the more people te… read more
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sentra gxe: Hi! I had previously dtc p0420 (Catalyst Converter
Hi! I had previously dtc p0420 (Catalyst Converter BAD) on my 2002 Nissan Sentra GXE (1.8L), so on advise of the mechanic got the Catalyst converter replaced. Since, O2 sensors were fused with the old… read more
Clifton B.
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Frontier: I have a 2002 nissan frontier 2.4L. Recently I got
I have a 2002 nissan frontier 2.4L. Recently I got a code P0420, which indicated a bad Catalytic Converter. However, I am suspecting a bad oxygen sensor on my truck. I borrowed a scanner from a shop a… read more
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2000 nissan sentra: pin..eng..engine runningengine runs good, no miss
2000 nissan sentra gxe eng QG18DE automatic problem - intermittant ses light scanner will not connect to ecu no power to pin 16 of obd2 connector pins 4 & 5 have good ground pin 8 has 14.3v with eng r… read more
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2005 Nissan Frontier: a p0430 DTC code..catalyst..below threshold
I have a 2005 Nissan Frontier 4.0 Nismo. I am getting a p0430 DTC code which says catalyst performing below threshold. I took it to an independant Nissan mechanic and he said the drivers side cat was … read more
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1999 Nissan Frontier XE: rear 02 heater..o2..wiring..good used
The vehicle is a 1999 Nissan Frontier XE with a 2.4 engine and manual transmission.The problem is that the ECM is not commanding the rear 02 heater to activate causing the O2 to stay flatlined at 310m… read more
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I have a 2000 nissan sentra 1.8l. I have a p0420 and p0430 code.
I have a 2000 nissan sentra 1.8l. I have a p0420 and p0430 code. these are cat codes, i just replaced my converter about 2yrs ago, any ideas why I need to replace it again? thanks, Ray… read more
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2005 Nissan Altima: upstream..O2 sensor..they just blowing smoke
Hi Jay, I need to replace my upstream O2 sensor on my 2005 Nissan Altima 2.5S - Pep Boys said there is only an upstream Air to Fuel Ratio sensor and it's the same as the upstream O2 sensor. Is this co… read more
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2003 Nissan Sentra: DTC..shorts though both oxygen sensors circuits
I'm getting a DTC P0031 on my 2003 Nissan Sentra. I have checked for opens and shorts though both oxygen sensors circuits and found none. I have also replaced both oxygen sensors, which did not fix th… read more
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used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

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SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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