Question about 1997 Chevrolet Malibu

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Emmisions failure I failed the emissions test it said that my evaporative system monitor was not ready then came up with a P0141 code will fixing the 02 censor in the rear fix the problem.

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  • Eldric Venne
    Eldric Venne May 11, 2010

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  • 54 Answers

IT SHOULD AND IT ALSO DEPENDS ON THE EMISSIONS

Posted on Jun 30, 2009

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2002 Hyundai Elantra that says my on board computer is not ready to be tested. Emission results are: readiness- fail, monitor comprehensive- not ready, monitor EVAP not ready,monitor O2 not ready.


Did you recently clear the trouble codes or disconnect the battery? Once all codes are cleared, the computer will not display systems 'ready' until they go through an evaluation cycle. Some of the systems require a certain number of drive cycles before they will display 'ready'. A drive cycle is usually starting the engine from a cold start (based on coolant temperature) and driving until certain conditions are met. I don't know what the requirements are for your car, but my 2003 pickup truck requires more than 10 drive cycles before it will make the O2 sensors and evaporative emissions 'ready'. Most states only require that a certain number of systems are showing 'ready' to pass emissions certification.

Oct 22, 2016 | Hyundai Motor 2002 Elantra

1 Answer

Cant pass emissions,i need at least one of the not ready status to become ready status out of the oxygen senson, evaporative system, catalyst


drive it. I am betting you have recently "cleared" codes which also clears readiness monitors in an attempt to better control people cheating the system. After enough drive cycles are reached the monitors will pass if nothing is wrong and turn to ready. If the problem that the codes implicated where not fixed than the check engine light will again come back on and you will again fail your attempt to pass emissions.

Drive it for a week or so and see what happens.

Aug 15, 2015 | Cars & Trucks

1 Answer

03 focus engines sensors not ready for emission test but not reset manually or battery disconnect


You need a professional scan tool & road test, to
gather data, to find out why some of the 8 Emission
Monitors won't run

Have to do that before you go to inspection, every time

If you fail to check I/M or look at data or do Preventative
Maintenance, your going to fail, possibly

You said nothing was done

That is your answer

You can not just drive a vehicle & not
work on it, several times a year, or know
what the data looks like, or if codes are in
the systems

There is no reset & you do not remove a battery cable

If you remove power,you just clear all memory & info,
you need to diagnose the vehicle & then the Monitors
have to run again

You could loose a few days before they run again by
doing that

If monitors do not run clear, then your statement about
no running issues, is not true & you could be ruining
your exhaust converter

Oct 30, 2014 | Ford Focus Cars & Trucks

1 Answer

Fix a system monitors" not ready" reading during emmissions test


Hi Paul@ FIREFOX,
The most common cause is the engine is not upto working temp.failing this you will need to use an O.B.D 2 meter to pin point fault this will flag up a fault code it works out alot cheaper than changing parts to cure the fault hope this helps....



Oct 03, 2014 | 2008 Ford F-150

1 Answer

Check enging light on 2003 Acura TLS doesn't come on when starting car. Failed emmision test because of it.


There is a problem with your OBDII (Onboard Diagnostics -2) system. The only way to find out why your Check Engine light is on is to scan your engine computer and find out which part of the system is failing. There will be fault codes stored in the computer to tell you. The failing system will then need to be diagnosed to locate the actual cause of the failure. Once this is completed, the computer will have to be reset, and the car will have to be driven (sometimes for several days) to get all of the computer monitors to run and recheck the system. If the repairs are successful, the same codes should not return. You may have new codes show up however. This is because some of the monitors are unable to run if the check engine light is on due to another failure. Sometimes a code like "Catalyst Efficiency Below Threshold" will show up when they were not there before. This is because driving the vehicle with the Check Engine light on has destroyed the catalytic converters, but the code could not set previously because the catalyst monitor could not run to test the catalyst when the other problem was present. Now that the first problem has been corrected, the catalyst monitor now runs and has determined that the catalyst has been damaged.

This why I tell all my customers that the best time to get your car ready for an emissions test, is the minute the Check Engine light comes on. Ignoring this light and driving the vehicle with it on can damage some pretty expensive parts, as well as possibly costing you fines for not getting your vehicle "Legal" when it is time to renew licenses, etc. I live in Missouri, and you cannot renew your license plates without passing the emissions test - people wait until the last day to renew their registration and they get angry with me when I tell them it is going to take several days and possibly even a couple weeks to get their car to pass. It's not MY fault!!! THEY are the ones who chose to ignore the warning lamp!

Feb 06, 2011 | 1996 Acura TL Series

1 Answer

WHAT TO DO ABOUT TROUBLE CODES PO449 & PO141 ON 01 VENTURE


code is P0449

The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Definition:
EVAP (Evaporative Emission System) purge/vent solenoid circuit condition

Explanation:
The solenoids and system wiring are monitored for opens or shorts

Probable Causes
1- Purge or vent solenoids defective
2- Check connevtor and wiring
3- Fuel saturated vapor canister
4- Failed EVAP vent solenoid


A code P0141 may mean that one or more of the following has happened:
  • open or short to ground in the wiring harness
  • O2 heater circuit wiring high resistance
  • O2 heater element resistance is high
  • Internal short or open in the heater element
Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed converter.
Possible Solutions
  • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
  • Repair short or open or high resistance in wiring harness or harness connectors

Oct 10, 2009 | 2001 Chevrolet Venture

1 Answer

I have a 2002 Ford Taurus, and an engine sign showed up. However, I pulled out the code which is P0442. what is the problem, how much would that cost me and when do I need to fix it, can I wait for the...


P0442 code relating to the EVAP (Evaporative Emission System).a small emissions leak. also check the gas cap .Try cleaning the seals first and then try putting a little vaseline on the seals before getting a new gas cap. -------------
Code P0442-Evaporative emission control system. Canister Purge system failed the monitor test indicating a large leak (over 0.040”). Enabling conditions: Engine running after a 6 to 8 hour engine off period called a cold soak. The test runs when engine load is between 15 to 45% and inlet air temperature between 40 and 130°F. Blocking Action: This code can block the following monitors: Fuel Control, O2 monitor, Catalyst Monitor, misfire monitor. Testing: Check the purge hoses for leaks, leaking vapor management valve or loose gas cap.

This simply indicates that there was no flow from the evap system when the purge valve was energized. This could be cause of a few different reasons. First, check for leaks by visually looking at all evap lines for cranks rips or any tears. Basically, anywhere that fuel vapors can escape.
----------- Here is the test that will smoke the system for leaks with a smoke machine.

Evaporative Emission System Leak Test

SPECIAL TOOL(S)

CAUTION: The evaporative emission system must not be pressurized to more than 3.48 kPa (14 inches H2O)or damage to the evaporative emission system may occur.
  1. Connect the Evaporative Emission System Leak Tester to the evaporative emission test port.
  2. Close the canister vent solenoid.
  3. Pressurize the evaporative emission system to 3.48 kPa (14 inches H2O) .
  4. Monitor the system for two minutes . The system fails the leak test if the pressure falls below 2.0 kPa (8 inches H2O) .
  5. Repair any leaks as necessary.
  6. Repeat the leak test until the system remains above 2.0 kPa (8 inches H2O) after the two-minute test period.
---------- get it repaired ASAP because if you drive the car in same condition the emisson system can get damaged.and code will be p0445 ,now the code is p0442 its for leak in the emisson system. ---------------- This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.

Oct 15, 2009 | 2002 Ford Taurus

1 Answer

I took my 1997 chevy malibu to get an emissions test. It failed because the evaporative system monitor was not ready. But a DTC code was found the code that was found was P0141 wich when i looked it up...


I would replace the sensor due to the fact that a P0141 is a malfunction in the heater circuit of the Bank 1 Sensor 2 O2 sensor. There is always a slight chance that there is a short in the wiring harness though. But I would look at the sensor and the harness and if the wiring seems to be in tact, then I would go ahead and replace the sensor.

Jun 29, 2009 | 1997 Chevrolet Malibu

2 Answers

Failed emmisions test..


I am in Virginia but I believe you vehicle is showing a monitors not ready for Catalyst & Evap. If that is correct you need to basically drive the car a few days. The computer will remonitor itself and should be fine following that. Most drive cycles require highway driving & city driving. Make sure you turn on a/c as well. Its not how many miles you drive but what conditions you drive that sets you monitors. You could locate the drive cycle and attempt to replicate it but its usually very difficult drive exactly as the cycle asks. Good luck.

Mar 18, 2009 | 2003 Mercedes-Benz CLK-Class

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