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What Does Trip B Mean On A Car ?

The check engine light is commonly called the MIL (malfunction indicator lamp). It’s also called a SES (service engine soon) light. It’s usually located on or near the dashboard, and it can be illuminated for any number of reasons.

The first thing you should do when the check engine light comes on is take your vehicle to a trusted mechanic. He or she will be able to determine what the problem is and fix it. You should also have the problem checked out if you notice any changes in how your car runs or drives.

If you want to try fixing it yourself first, here are some common causes of a check engine light coming on:

  • A sensor is malfunctioning or missing that tells your car’s computer what type of fuel you’re using — gasoline, diesel or ethanol (E85). The computer relies on this information to determine how much air needs to flow through the engine so that it can control emissions levels properly. If there’s no sensor information, misfires may occur, which increases pollution and reduces fuel economy by as much as 20 percent.
  • The oxygen sensor has failed or is dirty but still working intermittently. This causes a similar problem as above with misfires in cylinders due to.
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Last modified: August 14, 2022

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