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Related Nissan Questions
Nissan xterra 2002, the scanner showed code Po157, checked
nissan xterra 2002, the scanner showed code Po157, checked the sensor noticed the wires were cut, then procedure to change the oxygen sensor bank 2 sensor 2, then the code PO157 gone, and appear code … read more
Jay
Jay
Nissan Technician
Vocational, Technical or Trade Scho
22,292 satisfied customers
I have dtc on my scan ick cat its good the code po420. 2005
i have dtc on my scan ick cat its good the code po420 … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,943 satisfied customers
I have a 2001 Nissan Xterra. XE. 3.6L. I am getting a P1148
Hi. I have a 2001 Nissan Xterra. XE. 3.6L. I am getting a P1148 error code: closed loop bank 1. I think this has to do with the oxygen sensors- is that correct? If so, are there two oxygen sensors or … read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2006 xTerra, 6 speed MT showing the P0300 & P0131 codes.
Tim: 2006 xTerra, 6 speed MT showing the P0300 & P0131 codes. Really afraid to bring to the dealer because of the potential for a whopper of a bill Any suggestions. I'm a senior on fixed income. Thank… read more
internal88
internal88
Product Manger
Bachelor's Degree
2,672 satisfied customers
maxima: I have a 2001 Nissan maxima and my problem is the light
I have a 2001 Nissan maxima and my problem is the light on check engine even I changed the oxygen sensor and appear always p0430, my question is that light came from front catalyctic converter or cent… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
Nissan/Datsun Murano S: Hello. I have 2006 Nissan murano s
Hello. I have 2006 Nissan murano s with 97000 miles and got po420 code. When I took it to the shop, he said it's for bank 1 cat converter and it needs to be replaced. I took it to another shop today a… read more
Jake
Jake
4,533 satisfied customers
what causes the transmission to slip out of gear into neutral
what causes the transmission to slip out of gear into neutral when accelerating from zero to 35 mph in a 2001 maxima with a total of 190,000 miles… read more
HondaPlatinum
HondaPlatinum
Vocational, Technical or Trade School
25,571 satisfied customers
2002 Xterra SE: V6..4x4..supercharged..SES light came on
2002 Xterra SE 3.3 V6 4x4 not supercharged. 141000 miles. SES light came on. Codes showed multiple misfire, knock sensor, etc. Replaced plugs, wires, distributor cap and rotor. Plugs had only grey/whi… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2004 Nissan xterra: service engine soon..P0430 catalyst efficiency
2004 Nissan xterra and service engine soon ligth came on. The code is P0430 catalyst efficiency below threshold. I am inquiring more details and how much would this cost to fix?… read more
Mike O.
Mike O.
Automotive Technician
Associate Degree
427 satisfied customers
2005 Xterra: intermittently..OBD..power, idles in range, no vibration
Car: 2005 Xterra. Symptom: intermittently runs rough; OBD Code 0430; "Service Engine Soon" light. When it runs smoothly, it has plenty of power, idles in range, no vibration. Newer air filter and new … read more
Nathan
Nathan
Nissan Master Technician
Bachelor's Degree
734 satisfied customers
2000 NISSAN MAXIMA: SCANNER THAT says catylst INEFFICIENT IN bank
HELLO XXXXX 2000 NISSAN MAXIMA WITH 125,OOO MILES ON IT.I AM GETTING A CODE 430 ON THE SCANNER THAT SAYS CATYLST INEFFICIENT IN BANK 2.CAN YOU TELL ME WHAT IS THE CAUSE OF THIS IS IT THE SENSOR OR THE… read more
Paul M ASE Master
Paul M ASE Master
Automotive College
4,537 satisfied customers
Nissan maxima: po430 code now after test drive i have a po161 code
00 nissan maxima changed front cat for po430 code now after test drive i have a po161 code any ideas… read more
OnlineHelp
OnlineHelp
Bachelor's Degree
3,390 satisfied customers
2005 xterra: p0420..my front..lean condition..vacuum leaks found none
I am working on a 2005 Xterra 4.0 have p0420 catalyst inefficiency. my front b1s1HO2 sensor is reading around .380 same for b1s2HO2 sensor however b2s1 reads around .9 and b2s2 reads around .380 seems… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2006 nissan pathfinder: ses light..catalytic converter..the 02 sensors
2006 nissan pathfinder 115,800.00 miles ses light is on code po430 , failed bank 2 catalytic converter can i change the 02 sensors myself and which side is bank 2 also how many sensors are on each ban… read more
Ron Z.
Ron Z.
Vocational, Technical or Trade Scho
20,192 satisfied customers
I have a 2004 nissan xterra and the service engine soon light
I have a 2004 nissan xterra and the service engine soon light is on. The codes are p0430 Catalyst system efficiency below threshold (bank 2) and p0328 Knock sensor 1 Circuit High Input (bank 1 or sing… read more
Steve
Steve
Service Manager/ Technician
5,472 satisfied customers
2001 Nissan Sentra GXE: it threw the following codes..Po..Catalyst
I have a 2001 Nissan Sentra GXE 1.8. It is not running correctly and on a code machine it threw the following codes: Po 420 Bank 1 Catalyst eff. below threshold Po 430 Bank 2 catalyst eff. below thres… read more
Ironmike
Ironmike
ASE Master ,Ford Certified Master Tech
Vocational, Technical or Trade Scho
3,442 satisfied customers
2001 Nissan Frontier XE: 2.4L..a problem with check engine light
I have 2001 Nissan Frontier XE 2.4L, 2WD. Like many others, I have a problem with check engine light. It is a code O402 catalytic converter below thrashold (bank 1). Many other owners of Nissan Fronti… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
2003 Nissan Xterra: Knock sensor..emissions..catalytic converter
What problems do the diagnostic codes P0420 (catalyst eff low bank 1), P0430 (catalyst eff low bank 2), and P0328 Knock sensor Bl signal high) mean and what repairs should be made? My vehicle is a 200… read more
Mike V.
Mike V.
Nissan Technician
Subaru and Nissan factory training.
9,482 satisfied customers
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cjazLexington, KY

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

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As a single woman, I really appreciate an excellent and affordable opinion.
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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

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

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.

David L.Richmond, TX

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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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