Question about 2001 Nissan Maxima

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2000 maxima catalyst, evap, o2 sensor not ready for obd test

00 maxima will not pass inspection for catalyst, evap and 02 sensor not ready what do i do ?

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Posted on Jan 02, 2017

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Benimur
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SOURCE: Smog test reject (Nevada)

Hi again,

Good luck with the test.

BTW, appreciate the review of the Live Session.

Cheers.

Posted on Jul 25, 2008

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SOURCE: i had my 1996 nissan maxima sent in for inspection

Assuming you need to ask. You will need to go to a repair shop,that has experience with your type of vehicle

Posted on May 27, 2010

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Hello again. I have the 2006 Nissan Altima 2.5S ......ok I had the issue bank 1 sensor 2 heater circuit low P0037 is the code I was getting. But when I connect the code reader it says that the heated 02...


O2 Emission Monitors & Evap Monitor-- are two
different systems

Get ALL your OBD Codes & work them one at a time,
& DO NOT Clear any data with code reader or removing
battery cable, or the monitors ALL have to run again

The heater may work in the sensor, but the sensor doesn't
switch fast enough or is worn out & the front sensors get
replaced at 100,000, before they fail or slow down

The Evap Codes will be needed, to work on that issue
That monitor runs last & only every few days

IF--- you had professional scan tool software, you would see
11 monitors & maybe 8 that run on your vehicle

There will be at least 2 for the O2,one for cylinder misfire,
one for evap, one for egr,& three others

Oct 21, 2014 | 2006 Nissan Altima 2.5

1 Answer

No no it wasn't because of the O2 sensor that it didn't pass it was a couple of things that came up and the we're Catalyst not ready Monitor Evap not ready Monitor O2 not readyz


You have 8 I/M or Emission Monitors that have to run clear
BEFORE you can go to inspection

Your Catalyst Efficiency comes from the switching comparison
of the front & rear oxygen sensors being out of range

Until you resolve the rear O2 Sensor Heater Issue you won't
know if the cat is good or you have other problems

You need professional scan tool software & a long road test
to even find a problem,then component test,which apparently
wasn't done when they hung the new rear sensor on based on a code

Apr 30, 2014 | Cars & Trucks

2 Answers

I tried to get a sticker and failed because it stated that 2 (02)sensors, catalyst and evap were not ready on my 2001 saturn sw2. How do I fix this? I have been over 300 miles and have failed twice.w


It is not something you fix, the system self tests after any time the battery is disconnected or the system reset with a scanner tool. Drive it until it clears, take about 20 miles of mixed driving, idle time, freeway, moderate speeds like in town. Gas tank must be at least 3/4 full for the test to complete. This is known as an OBD2 drive cycle. If you had a check engine light and it comes on again then you did not fix the problem.

Mar 28, 2014 | 2000 Saturn SW2

1 Answer

CAR WONT GO IN READY STATUS


broken evap line/port on fuel pump. Or leaking fuel pump o-ring
check the EVAP canister it is right next to fuel filter could be pcm needs update to fix false codes. Here is a old hillbilly trick that may help put saliva on the seal of gas cap when you fill up every time that may work for you.

Mar 26, 2014 | 2002 Oldsmobile Alero

1 Answer

I can't get an inspection sticker for my car because it keeps failing inspection because the computer will not reset. Every time it does the same thing. When they test the OBDII Readiness it says the...


Every time you reset the light or disconnect the battery it completely resets the system and it has to go through EVERY test again. The O2, EVAP, and Cat tests are generally the LAST THREE tests that are tested. You're not doing yourself any favors here.

Essentially what these readiness monitors are is the computer's notation that his has run the self diagnostics on each system and that the results feel into the expected results. If it is outside the expected results the computer will generally try to run the test multiple times before setting a DTC and turning on the Check Engine Light. It cannot set the status to "Ready" until it has a successful test within expected results; sometimes multiple successful tests. Sometimes, the tests need to run at different speeds - so the vehicle has to be driven not only at freeway speeds, but also city speeds for the tests to complete properly.

The O2 test MUST complete before the Catalyst test can run. The EVAP test generally requires that you have your fuel level at between 1/4 and 3/4 and that the vehicle sit undisturbed after being driven for a period of time for no less than 8 hours in order to run the EVAP test.

The same can be said for the O2 test sometimes because the computer needs to test the O2 sensors reaction to heating up and cooling down. Eventually they will all complete - unless there is an issue. I have seen where a component was in the process of going out and the computer was getting both GOOD and BAD results when running the tests. As a result it wouldn't set ready status because it wasn't getting the concurrent GOOD test results.

As a Texas Recognized Emissions Repair Facility - my shop sees this kind of stuff all the time.

Good Luck.

Jun 01, 2011 | 2006 Mazda 6

1 Answer

I have been losing coolant but its not on the ground. I had an emissions test and my evap, catalyst, my 02 sensor, and 02 all shows not ready. I had my check engine light reset and it hasn't come back on...


Your coolant may be going somewhere else.
You may have a head gasket issue...
Pull the oil dipstick to see if its milky...
If so take it to a reputable mechanic and see what they find..

Sep 21, 2009 | 2000 Pontiac Sunfire

2 Answers

Will not pass inpection, 5 sensors not ready--V6 3.0


Drive the car for 2 miles non-stop and take it to smog inspection WITH OUT TURNING OFF THE CAR!! the key is that the car goes threw the test while the engine is running ...

if the car is turned off ... u will have to repeat procedure ...

Apr 17, 2009 | 1998 Mitsubishi Montero Sport

1 Answer

2001 cannot pass TX inspection


This Usually means that the Catalytic Converter is Bad and needs to be Replaced as the O2 Sensor is On the Exhaust System and the Evap is Detecting High o2 Levels. Please Rate My Response! Thanks!

Feb 07, 2009 | 2001 Chevrolet Camaro

1 Answer

Smog test reject (Nevada)


Hi again,

Good luck with the test.

BTW, appreciate the review of the Live Session.

Cheers.

Jul 25, 2008 | 1996 Nissan Maxima

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