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check engine light

2271 Views 11 Replies 8 Participants Last post by  Nixed
Hi, I bought a 2002 focus just today but before I picked it my friend called me to say the engine light had come on, all he did was to fill it up with gas , topped it up with oil and got it washed but before he done this the engine light was not on , any ideas....thanks
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I spent $30 on a sale OBD II scanner and it's been a godsend. No computer or phone interface, just the scanner with a plug to go in the diagnostic port under the fusebox.

But don't rely on the little chart/book they give you for each code. Go on the internet and get the complete description, or you'll end up thinking every code only has one cause...and end up replacing stuff without fixing the problem.
 
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