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2000 Sturn SL1 won't pass the emissions test.

Having problems passing the emissions test. Keep getting a reject reading. I took the test 4 times and I keep getting a reading that the oxygen sensor, the egr system, the evaporative system and the catalyst

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  • vojomatusenk Jan 27, 2009

    My 2000 Saturn SW2 it seems like will never get redy for emissions testing. After many hundreds miles my catalist, evap O2 sensor and EGR monitors are still not ready for testing, my check engine light is not on . Can anyone help?

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6 Suggested Answers

  • 8 Answers

SOURCE: 1996 doge intrepid wont pass emission test because IM monitors ar

Just maybe your O2 sensors are not operating properly. They may be requiring your engine to heat them up to get upper temperature readings but not lower. You can easily diagnose these and all other sensors and problems by purchasing a Hains manual at your local Auto Zone or Advance auto store which will greatly aide you in diagnosing all your auto needs. And the fault symptom index at the beginning of the book will ease your troubles with professional one on one advice with step by step instructions. Its like having your own ASE certified mechanic at your finger tips. Good luck.

Posted on Mar 05, 2009

tepfy
  • 319 Answers

SOURCE: Emissions Failure-Multiple Codes

take you car over to auto zone or one of the part stores that do the free computer test. They will do it for free and sell the part to you for way less money.

Posted on Mar 16, 2009

mcgyver468
  • 710 Answers

SOURCE: Can't pass emissions inspection

TRY DISCONNECTING THE BATTERY CABLE SO THE PCM (COMPUTER) RESETS TO ORIGINAL DEFAULT VALUES. HOPE THIS WORKS FOR YOU. GOOD LUCK

Posted on Apr 29, 2009

rockitman187
  • 2559 Answers

SOURCE: evaporative emission control system

The evap system allows for gas vapors to be recirculated through the system and burned by the engine,rather than vented into the atmosphere.

It means that the Gas cap is bad,the evap canister is clogged,you have a bad hose,or a sensor is bad.Replace the gas cap first,This is a common problem.

Posted on May 01, 2009

emissionwiz
  • 61168 Answers

SOURCE: 1988 Ford F150 running rich, can't pass emissions.

has the cat been replaced? worn out cats cause high HC emissions

Posted on Aug 09, 2009

  • 299 Answers

SOURCE: i have a Nissan altima 96' and it doesn't pass

drive the car 500 miles and take it back

Posted on Sep 29, 2009

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have you had the the engine codes pulled and reset?
and if so what are your engine codes?
i dont know of any car that will pass emissions test with the engine light on.
we cure your trouble that caused your engine light to come on and you will pass your test.
later
paul

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