Question about 2001 Nissan Pathfinder

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01 nissan pathfinder code p0740

I took my suv to do emmissions and it failed it came up with 3 codes, p0420,p0455,p0740

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Stereo unlock

Check your glovebox and inside your console for a sticker with a series of numbers this should be your code enter it by using the channel buttons on the radio or you can call the dealer with your VIN # and they can give you the code
Rj

Posted on Jul 01, 2009

emissionwiz
  • 75235 Answers

SOURCE: 1995 nissan pathfinder xe 8 speaker wiring COLOR

1995 Nissan Pathfinder Car Stereo Radio Wiring Diagram
Car Radio Constant 12V+ Wire: Pink
Car Radio Switched 12V+ Wire: Blue
Car Radio Ground Wire: Gray
Car Radio Illumination Wire: Red/Blue
Car Radio Dimmer Wire: Red/Yellow
Car Radio Antenna Trigger: N/A
Car Radio Amp Trigger Wire: N/A
Front Speakers Size: 5′ x 7′
Front Speakers Location: Doors
Left Front Speaker Wire (+): Pink
Left Front Speaker Wire (-): Blue
Right Front Speaker Wire (+): White
Right Front Speaker Wire (-): Black
Rear Speakers Size: 5′ x 7′
Rear Speakers Location: Roof Mount
Left Rear Speaker Wire (+): Light Green
Left Rear Speaker Wire (-): Purple
Right Rear Speaker Wire (+): Blue
Right Rear Speaker Wire (-): Pink

Posted on Nov 20, 2009

  • 495 Answers

SOURCE: 2003 nissan murano with check engine light codes

P0420 is Catalyst System Efficiency Below Threshold - Bank 1
and
P0456 is EVAP Control System Very Small Leak (Negative Pressure Check)

Posted on Nov 22, 2009

JJ_Barricade
  • 11 Answers

SOURCE: receiving engine code p0420 on my 2005 altima 2.5 s

A p0420 code indicates a Catalytic System efficiency failure, Bank 1.
Basically, the computer is seeing reduced efficiency of the catalytic converter or one of it's components (such as an 02 sensor)

There may be a few root causes, such as a faulty oxygen sensor, faulty coolant temperature sensor, faulty converter, Large exhaust leak, or retarded (slow) timing.

Posted on Nov 30, 2009

  • 417 Answers

SOURCE: what are codes P0720, p1574, p0420? 2002 Nissan

p0720-- auto. trans. vehicle speed sensor (revolution sensor)

p1574--automatic speed control device/vehicle speed sensor

p0420--two way catalyst system bank 1

Posted on Apr 03, 2010

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1 Answer

Nissan Altima Check Engine Light - P0420 Code


You have a fail exhaust converter on bank # 1

Google the PO420 code & read up

Feb 05, 2013 | Nissan Altima Cars & Trucks

1 Answer

P0420 Code on my 97 Pathfinder ...looses Horsepower at 3200 Rpm


Trouble Code: P0420

Catalyst Efficiency Below Normal (Bank 1)

Possible Causes:


Air leaks at the exhaust manifold or in the exhaust pipes.Catalytic converter is damaged, contaminated or has failed.Front HO2S or rear HO2S is contaminated with fuel or moisture.Front HO2S and/or the rear HO2S is loose in the mounting hole.Front HO2S older (aged) than the rear HO2S (HO2S is lazy).

Dec 30, 2012 | 1997 Nissan Pathfinder

1 Answer

I need to know whatpo455 code means


P0455 NISSAN - EVAPorative Emissions Control System Gross Leak Detected. Possible causes - Missing or loose fuel cap (most common)
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking (not common)

Nov 01, 2011 | 2001 Nissan Pathfinder

1 Answer

Mil bulb not work .conector damage.mil commando on code # p0420.p0401.p0740


P0420 = catalyst system efficiency below threshold (bank 1).

P0401 = Exhaust gas recirculation-insufficient flow detected

P0740 = Torque converter clutch, circuit malfunction.

Mar 07, 2011 | Honda Odyssey Cars & Trucks

2 Answers

Getting codes P0325 and P0420. Where to start?


Hi,

code P0325 is for knock sensor and it looks like is a common problem with these engines.You might need to replace the knock sensor, and this is a few hours job for a qualified mechanic.You can try first using a high grade gasoline, but I doubt it will fix the problem.
code P0420 -right bank -B1 three way catalyst function.
possible cause for P0420:
-you might have a hole in the exhaust tube
- you might have some intake air leaks
- injectors leaks
-spark plugs
check first for some damage exhaust tube.or it might be related to code p0325, as a change in timing dictated by knock sensor malfunction.
hope this will help.
Good luck.

Jan 23, 2011 | 1998 Nissan Pathfinder

1 Answer

I have a 2000 Kia Sephia failed emmissions code p0455. What does this mean?


it means evap large leak, most likely a loose gas cap or recently loose cap and car has not been run enough to clear the code. could also have a lagre leak in the evap system but start with the cap

Sep 02, 2010 | Kia Sephia Cars & Trucks

1 Answer

Check engine light on. took the car to auto zone to put it on a scanner. trouble code p0420. catalyst system efficiency below threshold. probable cause; large vaccum leak, fuel system fault, ignition...


Diagnostic code produces P0420 catalyst system efficiency below threshold-Bank 1. Probable causes are listed as follows:
1-air leak in exhaust before rear 02 sensor, 3-Fuel system fault,
4-faulty catalytic converter.

May 31, 2010 | 2001 Nissan Altima

1 Answer

I have two fault codes, P0302, P0420


P0302 is cylinder 2 not contributing. I could be a bad spark plug or injecor.

P0420 is catalytic converter issue. I could be because of the cylinder 2 failure.

Jan 22, 2010 | 1997 Nissan Pathfinder

2 Answers

Sevice engine light is on.


Both Codes show an Emission Controls problem - very likely a large leak. Give it a really good visual and look/listen for a vacuum leak or hose off in the emmission system.

Aug 05, 2009 | 2003 Nissan Maxima

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