Question about 2004 Saturn VUE

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WHn i went to get my car smog , it didnt pass due to "ignition issues " it said on the paper . The mechanic said it was a computer issue. At time the Engine light turns on but then turns off again , I dont know if its related to that..HE told me to drive it around 50-100miles then come back and see if it will pass. what could the problem be ?

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  • 978 Answers

If you only drive your car on short journeys the exaust system carbons up and you give out more emissions .the mechanic is right drive it a long distance ,and bring it back in while it is really hot to be ytested

Posted on Nov 08, 2012

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  • 2 Answers

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Posted on Jan 02, 2017

ewashmidas
  • 362 Answers

SOURCE: 2002 SATURN VUE- SERVICE ENGINE LIGHT HAS BEEN ON FOR 1 1/2 YRS.

Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you will need to have the car diagnosed and repaired.

Posted on Feb 02, 2009

sparxxinct
  • 73 Answers

SOURCE: saturn vue 2002 aed v6 not passing inspection test

sounds like a dirty mass air flow sensor.if you have in deed replaced it i would check the voltage going to the sensor.perhaps its a faulty connection between the power controle module and the sensor socket.if that dosent work i have a few more tricks to try get back to me and i will help further. poppinwheelies@sbcglobal.net

Posted on Feb 26, 2009

  • 2 Answers

SOURCE: 2002 Saturn Vue V6 Loss of Power

Yup. The throttle body connectors have a history of failing on these cars. Replace the throttle body and the wire connectors that go to it, and you're back in business. Not terribly difficult and you can get the parts from any dealer. Saturn actually has a bulletin out on this problem but they won't cover it unless you're under warranty - no recall for this.

Posted on Mar 05, 2009

odiebugs
  • 949 Answers

SOURCE: 2000 Saturn SL2 fails smog due to failure of OBD Self test

Some vehicles require very specific drive cycles (called "drive traces" if you perform them on a road simulator or dyno) to activate certain self-checks like the catalyst and EVAP monitors. As a general rule, doing some stop-and-go driving around town at speeds up to about 30 mph followed by five to seven minutes of steady 55 mph highway speed driving will usually set most or all of the monitors. Consequently, if you're checking an OBD II system and discover that one or more of the monitors have not run, it may be necessary to test drive the vehicle to set the remaining monitors.

You should talk to a good emission tec, if this is not throwing a code, it is hard to say if that one of the components could be bad. O2,pump,convert, HeO2, every part of the emission system.

With a 1000 miles, and doing what is says above just before the test, and ending driving at the test
should be plenty. If it is not, you will have to have each emission part checked, or when the computer
is plugged in it might show a code that did not trip dash light.

Posted on Mar 27, 2009

  • 73 Answers

SOURCE: Check engine light 2005 Saturn Vue

the scan tool that you are using will not read codes from all of the modules. take the car to a gm dealer to have it checked with a tech2

Posted on Apr 08, 2009

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Need list of fault codes for deawoo lanos 1999


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I needed to get my car smogged, but the check engine light was on. Took to to a local smog station that had replaced a sensor for me in the past in order to pass smog. They could not fix it. Put car in dealership garage for repairs and to date, the transmission module sensor (computer) went out and the ignition sensor was out also. The mechanic replaced both and now the code P1702 comes up. What does that code mean? My car still won't pass smog....

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