Question about 2007 Dodge Ram Truck

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My emmission sensor light is staying on. Any idea why?

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You have vacuum leaks in the EVAP System.
Need a smoke machine and scanner to fix

Posted on Jun 01, 2010


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Posted on Jan 02, 2017


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The vehicle has a new battery and alternator on it but the battery light still stays on the dashboard.Any ideas please...

The battery light is a "check engine" light. This means that one or more of your oxygen sensors failed. If you take your vehicle in to Parts Source, you can get a free diagnostic reading to get the trouble code. Then ask a mechanic or ask Canadian Tire or the like what the trouble code means. Having this light on means that your sensors are detecting emmissions.

Mar 08, 2015 | Cars & Trucks

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Check engine light came on on a 2005 Volkswagon New Beatle and auto zone says the code calls for new temp. sensor which I replaced and it didnt fix it. I disconected the neg. battery cable & put back...

well auto zone needs to diag cars like i need to be a brain surgen . what code do you have if its p2181 yout thermostat needs to be replaced what happens is the thermostat stays open too long and the engine sees that and it will set in about 2 to 3 drive cyles your pcm looks at all sensors all the time to keep emmisions down and your milage will pick up when it is replaced

Apr 12, 2013 | Volkswagen New Beetle Cars & Trucks

1 Answer

Abs light stays on,what do I need to make it go out. I can't take my car through emissions with the light on

I don't know what state you live in, but an ABS light will not keep your vehicle from passing an emmissions test.
If your state has some goofy law that says that it cannot be tested with an ABS light on, then you will just have to get your ABS computer scanned to find out what the problem is. The most likely cause would be one of the wheel speed sensors.

Feb 20, 2011 | 1994 Oldsmobile Cutlass Ciera

1 Answer

Code large air leak (emmission light stays on)

You need the code
Then you find the problem in the EVAP System
An EVAP Smoke Machine, would have you making the repair in about 3 minutes.
So unless you can find a loose hose,broken fitting Etc,you need professional help.
Then the job is completed with a scanner to test system, I doubt your spending 8 thousand for that piece of test equip.
Now you know why cars cost a lot to fix.

May 12, 2010 | 2008 Chevrolet Impala

1 Answer

Check Engine Light

Could pick up a sensor at an autoparts store and find out whats causing it, first guess would be an O2 sensor or Mass Airflow Sensor because a CEL is for emmissions usually.

Jul 15, 2009 | 2001 Mercedes-Benz E-Class

1 Answer

Emission workshop

need a garage that has vag com ,the tool that talks to the computer. It most likely needs to be just reset. It is an emmisions thing that pops up to get yo to get your emmisions parts checked. Or there could be something wrong.

Mar 20, 2009 | 2005 Volkswagen Golf

1 Answer

Check engine light stays on

First have you had the codes ran off the computer? If not thats the first thing you should do. It has to be a sensor of some short that is throwing up the code. Take it to auto zone and have them do it.

Feb 25, 2009 | 2001 Dodge Ram 1500 Truck 2WD

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