Answers: Every time have your vehicle in a shop beside a service engine light,ask the shop write down the code or codes that they scan,consequently post your question beside that,can not fix anything by guessing,you know.!
service engine light is connected to emissions related sensors. It might be a serious problem, or something you could drive around near forever. There are trouble codes stored in the car's computer that will identify the problem.
I would step to Autozone and have them read the codes for you (a free service). If you're handy, seriously of the problems aren't hard to fix. If you intend to enjoy someone do the work for you, at least you'll know if they're B.S.'ing. The service populace look at the same codes to digit out where to start.
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To provide you an idea, later time I had to do it, the trouble code be for the Coolant Temperature Sensor. I think it be less than $20 for the section, and in 20 minutes next to a box wrench, I had it fixed. That wasn't one I could live next to, because the idle go all over the place within response to the bad sensor.
Time up to that time that was the EGR stopcock. That one I could've lived without, because I get much better gas mileage when it wasn't working, the part be more than $100, and a pita to get at. I have to replace it in time for the state emission test, though.
The "service engine" indicator oil lamp means that a trouble code have been stored within your OBD. To determine the potential severity of your problem, you will need to extract the code from the OBD. This can be done near a OBD scan tool, which start at $90. You should also have a copy of the repair encyclopaedia on hand (Chilton or Haynes is OK) to translate the code. You can also go to a garage to carry the code. Some places will do it for free. Make sure you go to a reputable garage so that you don't gain lied to and subsequently ripped off.
So masses different things that can be wrong. Could be something simple or serious. I myself would take it to Auto Zone, enjoy them hook up the computer and diagnose the problem. They wont fix it for you, but this service is at no charge to you. Might be something you can fix yourself.
1st off, minus proper diagnostics you cannot get a proper repair...beside that being said...
It could be anything from a $10 sensor to almost blowing your engine up, purely be sure that every time you have your vehicle in the shop for anything that you maintain the receipts and that you ensure that the shop writes any codes on your receipt.
Good luck and hope this help
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