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2008 saturn vue evap problem

2008 failed state inspection due to evap problem gas cap replaced twice and engine light was off during second inspectiona and still did not pass.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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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

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  • 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

joecoolvette
  • 5660 Answers

SOURCE: 2006 Saturn Vue Check Engine Light

Disconnect the battery wait 10 minutes, then reconnect it.

Posted on Jul 12, 2009

  • 395 Answers

SOURCE: 2005 saturn vue check engine light

could just be back on because they didnt reset code after doing the work.

Posted on May 08, 2010

Testimonial: "I will check into this. Thank you"

JimKellyfan
  • 15 Answers

SOURCE: 2008 Saturn Vue about 36,000 miles, the engine

Too, make sure to repost what code it is before buying anything.

Posted on May 12, 2010

Testimonial: "Thanks for the help it was the gas cap which was one of the codes from the print out yesterday at Auto Zone."

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Dec 11, 2015 | 2003 Saturn VUE

2 Answers

2008 Impala Check Engine Light Evac Leak


evap not evac ! prob an evap solenoid or cannister purge valve

May 25, 2012 | 2008 Chevrolet Impala

1 Answer

Check engine light has come on twice just after getting gas..coincidence? my friend cleared the memory first time. I drove all day and night nothing changed until 1 minute after leaving gas station,...


Your gas cap could be bad. They are designed to hold a vaccum, if there is no vaccum it will trigger your check engine light with a EVAP system problem. It could also be from not tightenig the cap down properly(don't worry, it happens more than the world will ever know). Always make sure to tighten the cap until it clicks three to five times. And you should be able to get your gas cap tested for free at your local state vehicle safty inspection location. Gas cap testing is a part of most states vehicle inspection process. Good Luck and I hope this helps in some way

Sep 30, 2011 | 1996 Ford Explorer

1 Answer

I have a 2007 Saturn Vue and the engine light came on. The Chev dealership service center said it was a problem with a short / open fuel tank pressure. What does this mean and why will it cost me almost...


This does sound like a EVAP code was generated.

The fuel & vapor recovery is a sealed/closed system and the ECM runs a rather irregular test on the EVAP components based on a number of different factors. You may or may not have a leak, or just a faulty or loose gas cap. In the northern states, corrosion is a possible factor at hose & tube connections. GM EVAP valves do have a higher failure rate.

The cost is due to the need for a "smoke test"(pressure misting the system with a mineral oil based visible vapor) and likely pulling the tank &/or pump module to sleuth out the problem.

If this is the only code in the ECM, first try disconnecting the battery for 1/2 hour after filling the tank, inspecting & seating the gas cap. Keep the tank above 1/2 full. If the light stays off for 700-1000 miles or more, there may be a minuscule leak at a seal or clamp (in the absence of rust) that should not be a concern.

If this is the case, a week before your state inspection(and before several driving cycles) do the battery disconnect routine again to get the car to pass.

Aug 17, 2011 | 2006 Saturn Vue

3 Answers

Have a code p0449 have. already changed the evap vent solenoid . any suggestions?


P0449....Evaporative Emission Control System Vent Valve/Solenoid Circuit could be the engine breather

Dec 24, 2010 | 2002 Buick LeSabre

1 Answer

My check engine light came on and it is a p0442 EVAP SYS, small leak


Evaporative Emission Control System Leak Detected (small leak)
This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

Causes: A code P0442 most likely means one or more of the following has happened:
* A loose or improperly affixed gas cap
* A non-conforming gas cap (i.e. not factory/original brand)
* A small leak/hole in a fuel vapor hose/tube
* Other small leak in EVAP system
* Faulty vent o-ring seal

Possible Solutions: With a P0442, the most common repair is to:
* Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
* Otherwise, replace the gas cap, or
* Inspect the EVAP system for cuts/holes in tubes/hoses


Keep us updated.

Dec 13, 2010 | 2004 Saturn VUE

1 Answer

2005 saturn vue check engine light


could just be back on because they didnt reset code after doing the work.

May 08, 2010 | 2005 Saturn VUE

1 Answer

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

Apr 03, 2009 | 2005 Saturn VUE

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