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The emission light is on, i dont know why? what can i do

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Go to autozone, get codes free scan, report back DTC codes

Posted on Oct 15, 2010


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Emission test light

the CHECH ENGINE lamp as stated in the cars operating guide>
that means , tuneup the car but for sure scan it.
you scan it with any $9 (newer) scan tool and bingo out rolls error codes. USA.
are you, we dont know, fixing cars with no country , is impossible
some 2006 cars outside USA are totally different EFI.

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Will my 2001 VW Beetle pass inspection if the airbag light is on and the check engine light is on? I live in Texas and dont know if it will pass.

if the check engine light is on it will not pass, the airbag light will not make you fail but if the engine light is on it will not pass an emissions test.

Mar 31, 2011 | Volkswagen Beetle Cars & Trucks

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The light that looks like a engine

thats to let you know that there is something wrong with the emission control system. The light can also come on if you get gas and dont shut the engine off. You need to have someone scan the computer to see what code is stored .

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dont know where you live but in Canda i never heard a check engine light had to work for a emission test

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It shows that code p1166 oxygen sensor has been changed and code keeps showing,emissions high I really dont know what else to do, we also try with another ECU and still turn the service engine light.

It showing you this fault, but sounds like your car is putting off out too much fuel mixture. Check your PCV valve along with the other components that recirculate the emissions.

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Engine lite on, after i had the emmisions done

The check engine light is definately an emission control issue. Assuming that the light is not flashing. What all did they do at the emission place? I know down here in Tucson, AZ they pull the gas cap off and check to see if it holds pressure, if they dont put it back on properly it will turn on the check engine light. The check engine light can come on for hundreds of reasons. Your best bet is to run down to an Auto Zone and have them run a free scan on the code. Once this is donw write back with the code and I will decipher it for you.

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the pvc valve is more likely the problem. the check engine light is only to warn you of emission problems.

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Jeep 95 warning lights ?

The gentleman above gave you the correct starting point. There are red and amber lights. Amber usually indicates a problem with the engine electronics or emissions system. Red lights are related to charging or alternator problems and engine overheating. If a light comes on you need to check the related system before you wind up disabled on the side of the highway.

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3 Answers


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.

Nov 24, 2008 | 2002 Toyota Sienna

2 Answers


That light is telling you the emission system has a problem, there will be a code stored for the problem in the computer, go to any Kragen or other chain parts store like Kragen and they will run a test to get the code(s), post those back hear on this thread and I will help figure what the problem is.

Oct 15, 2008 | 2004 Dodge Neon

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