Check Engine Fuction
25

Asked by mungoernie Apr 17, 2008 at 01:19 AM about the 2003 Volvo S40 1.9T

Question type: Maintenance & Repair

3 Answers
83,785

littlehorn answered 16 years ago

Lets you know if your emissions system or electronic engine controls are not operating properly.

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55

Alex answered 15 years ago

I've had several mechanics tell me it could be a whole mess of reasons, and that Volvos are famous for their check engine lights that come on for little to no reason, and then can't be taken off without very expensive equipment. Most of the time if it's on it's not a big problem, unless you want to pass emissions.

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9,415

Christopher answered 13 years ago

A basic OBDII scantool can read and erase error codes on any volvo 1996 and up. The only time special expensive equipement is needed is when scanning codes for the ABS or Airbag systems. Most auto stores will scan check engine light codes for FREE.

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