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Check engine light

Tiny
JUNIOR64
  • MEMBER
  • 2000 FORD FOCUS
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 169,450 MILES
How can I make a diagnostic without a diagnostic tool when the check engine light come up to a 2000 ford focus
Saturday, December 25th, 2010 AT 7:49 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That's pretty simple. You don't. You can't get codes without a code reader.
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Saturday, December 25th, 2010 AT 10:28 PM
Tiny
JUNIOR64
  • MEMBER
  • 43 POSTS
If the problem is the ect but the check engine light doesn't come up should I go to the autozone to make a diagnostic
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Saturday, December 25th, 2010 AT 10:58 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The ECT won't always set a code when it goes bad. You would need a scan tool to look at the data and see what the temp reading is before starting it.
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Saturday, December 25th, 2010 AT 11:00 PM

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