Question about Mercury Mariner

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Emission system 2007 Mariner, gas cap missing for two days. Gas cap light and emissions light are still on even tho I replaced the gas cap.

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  • Mercury Master
  • 5,495 Answers

You will continue to get a warning for about 35 starts or until someone clears the onboard computer. Autozone and similar
stores will reset it for free.

Posted on Oct 11, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Check Engine Light - Code numbers P1486 & P0455

Found on my jeep that the high quality vac line to the evap bottle had split on the under side.

Posted on Sep 03, 2008

emissionwiz
  • 75797 Answers

SOURCE: SATURN EMISSIONS LIGHT

You will have to have the system tested for the code that turned the light on, there are over 100 different trouble codes that turn the light on, below is a link to a listing of all of them.



http://westersgarage.eidnet.org/obd2.doc

Posted on Nov 05, 2008

  • 1779 Answers

SOURCE: My emission light came on

Bring the Honda to a parts store to have them read stored engine codes to determine what's going on (a free service at most stores). They will plug a hand held scan tool into a diagnostic port under the dash, and 'read' any codes in the cars computer. They can explain what they mean and give advice on what to do. If you have any questions, post them with the code #;s here, we'll help.

Posted on Apr 16, 2009

Pops65Pony
  • 137 Answers

SOURCE: Check Engine Light won't go off

If you have an Advance Auto Parts store where ever you are, they will read the code and tell you exactly what to code is and what it means. Any mechanic who "guesses" isn't a mechanic at all - he's a thief. Emissions leak can be any number of things, but not the gas cap!

Posted on Aug 21, 2009

  • 24 Answers

SOURCE: 2007 suzuki sx4 emission control light on. 17000 miles

maybe the sensor is faulty, only having 17k miles on it i'm guessing that is what it is, get it looked at or changed

Posted on Feb 05, 2010

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1 Answer

Emission light is on after replacing my gas tank.


Your best bet would be to have a computer scan done. If the gas cap is not seated properly or any of the lines have even a slight leak it might post an error. A computer scan should give you the exact problem.

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Why is the Emission system needs service indicator light on? What does it need.


The most common problem is a leak in the evap system which vents the fumes in the gas tank to the vapor canister.
Sometimes its a loose or faulty gas cap.

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P0445 on my 2003 hyundai tiburon Gt evap


This code's description is P0455 Evap Emission System- Large Leak. Usually ,arge leak means you drove or still driving your vehicle with loose or missing gas cap. Check your gas cap if it is tight. Even if that is the case , tightening it might not turn the check engine light off. So you have to erase the code with a scanner. If your gas cap is in place and tight then you probably have a leak in the emission system which includes numerous parts. So it should be inspected by a proffesional.

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What is code PO496 and PO455 for a 2007 Pontiac Grand Prix mean


P0496 is not alisted code.
P0455 - Evaporative Emission Control System Leak Detected Gross Leak (fuel vapors)
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors Possible causes - Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking

Jan 24, 2012 | 2007 Pontiac Grand Prix GXP Sedan

1 Answer

My check engine light came on. Just a couple of days ago the digital display said my gas cap need tightening. I twisted it but did not remove it and then put it back on. I was told that if the gas cap...


yes it could ! this is part of the emission system on todays vehicles. if your sure you do not have a hole in a emission hose. just replace cap, the seal may be bad on cap. then drive it. light should go out if this is the only problem. good-day ! check all lines and hoses in system. remove cap completely and replace it. this may fix problem.

Sep 12, 2011 | 2007 Chevrolet Avalanche LTZ

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2007 Chevy Colbalt 2.2 engine P0446 Code is on. what does it mean and how much does it cost to fix


Code P0446 is related to your vehicles evaporative emissions system. Often this is caused by your gas cap not being properly tightened.

Before running out and spending money on this issue be sure the gas cap is in good condition and make sure it's tight. (At least 2 or 3 turns after it begins to click)

Drive the car for a few days. If the check engine light doesn't turn off you will need to go to a repair shop who can scan and troubleshoot the problem.

Good luck.

Jan 30, 2010 | Chevrolet Cobalt Cars & Trucks

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Check Engine Light won't go off


If you have an Advance Auto Parts store where ever you are, they will read the code and tell you exactly what to code is and what it means. Any mechanic who "guesses" isn't a mechanic at all - he's a thief. Emissions leak can be any number of things, but not the gas cap!

Aug 21, 2009 | 2003 Dodge Caravan

1 Answer

I am getting a tighten gas cap message, however cap is on and tight. Check engine light is on


The gas cap is most likely faulty. The gas cap is an integral part of the evaporative emission system. If it is not sealing or venting properly, it can affect the proper operation of this system. I would replace the gas cap and have the check engine light reset at an autoparts store. Most stores will scan/reset computer for free. Hope this helped and best wishes.

Aug 07, 2009 | 2007 Chevrolet Impala LS Sedan New Cars

2 Answers

2007 gas cap light comes on then the ckeck engine


try replacing the cap itself.
make sure its on tight untill it clicks a few times.

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