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I have a Nissan. Armada Pathfinder 2004. And the check
I have a Nissan. Armada Pathfinder 2004 . And the check engine light is on the code that I'm getting from the ob2 reader basically my cataylac converter is going out it's the bank 1 … read more
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I HAVE A 04 NISSAN MAXIMA. 3.5 LTR I PUT IT ON A CODE READER
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failed emissions, emissions failure notice indicates: P0420
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2001 nissan sentra: idles..park and neutral..steering pump..stall
i have a 2001 nissan sentra 1.8, it has a hard time starting with any condition, once started it idles like brand new at around 1000rpm in park and neutral, as soon as you put it in gear the rpm drops… read more
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45-50 mph or im doing over 2500 rpms the codes..control valve..leak
running several code but the main thing im noticing is that i cant go over 45-50 mph or im doing over 2500 rpms the codes are 430= catalyst system left bank 430= right bankp1448= evap canister vent co… read more
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A service engine soon light on that..catalytic converter..o2 sensor
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Richard
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2005 nissan titan: check engine light..chassis..mount..a fault code
2005 nissan titan banks power pack replaced cont unit -usm 284b6-zcooa because my truck didnt start 6 months ago it worked but check engine light woundnt stay off.i I need rhe part number for the chas… read more
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p0420 Generic Catalyst system efficiency below threshold bank
p0420 Generic Catalyst system efficiency below threshold bank 1, I'm getting this code on my 2005 Nissan Xterra. I'm guessing it is an O sensor, but which one to I get from the Dealer?… read more
Ron Z.
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2001 Nissan FRONTIER: 4cyl, 5 speed..CODE P0420..CATALYST SYSTEM
2001 Nissan FRONTIER, 4cyl, 5 speed, 260k miles....all commute. problem- CODE P0420 - CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK 1. my question: how do i know which sensor to replace? My guess it… read more
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code po420 2003 altima cat efficency below threshold on bank
code po420 2003 altima cat efficency below threshold on bank 1, which sensor would this be… read more
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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
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2001 Nissan Sentra: inspection..Service Engine Soon..Diagnostic..P0420
I recently took my 2001 Nissan Sentra for inspection and, although I have always tried to maintain my car, it passed in all areas except for the "Service Engine Soon" light. The Diagnostic Trouble Cod… read more
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2001 sentra: car runs great, idles smooth, no misfire..o2 sensors
I have a 2001 Sentra XE. I pulled two codes from the OBD II scanner: P0420 and P0430, catalyst efficiency below threshold, banks 1 & 2. The car runs great, idles smooth, no misfire...even under a load… read more
Clifton B.
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Nissan Sentra: SES light code P0420: failed catalytic converter, bank
Nissan Sentra 2004 (1.8 L). SES light code P0420: "failed catalytic converter, bank 1". Nissan said this means the forward cat. I replaced the forward cat, and SES is still on. Will the light go out a… read more
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2000 nissan sentra gxe: catalyst..problem,65,000 miles on car
2000 nissan sentra gxe 1.8 code 420 bank 1 catalyst below efficency,problem,65,000 miles on car… read more
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I DROVE THE CAR 100 MILE AND THE DRIVE CYCLE VERY..LIGHT CAME..p0420
I DROVE THE CAR 100 MILE AND THE DRIVE CYCLE VERY THING WAS READING BUT THE SERVICE LIGHT CAME ON P0420 THREE WAY CATALYST FUNCTION BANK 1… read more
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I was in trouble with an electrical issue with my brand new Nissan. I frantically went online trying to find help and luckily I found your site. I reached a NISSAN tech named RIP. He was absolutely tremendous and helped me work through the issue. What a pro!

cjazLexington, KY

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.

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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.

David L.Richmond, TX

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

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

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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Meet the Experts:

Chris(aka-Moose)

Chris(aka-Moose)

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Tim Mohr

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Marty

Marty

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Mike V.

Mike V.

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Ron

Ron

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Anthony

Anthony

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ASE Master Automobile Technician with over 18 years exp. in this field.

Richard

Richard

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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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