2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

How to read check engine light?

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Old Mar 30, 2003 | 10:49 AM
  #1  
*a*jones*'s Avatar
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From: chillicothe, OH
How to read check engine light?

My car's check engine light will flash under accleration. i changed the 02 thinking thats what it was, but it still flashes. where can i buy a code reader? or will like autozone read it for me? i have all the emissions stuff removed and the cat gutted, could something in that system not being connected trigger the light?
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Old Mar 30, 2003 | 12:55 PM
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bl|nk's Avatar
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From: Sioux Falls, SD
look at your leading coil. see a green single plug? put a wire in that and ground it

now turn your key to ignition

watch the check engine light flash. (short = 1 long = 10) the FSM explains it better

go to fc3s.org and d/l the fuel section of the FSM that has all the codes and a trouble shooting guide for the codes you have.
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Old Mar 30, 2003 | 06:29 PM
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Amur_'s Avatar
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From: Kitchener, Ontario (Hamilton's armpit)
Or you can go here rather than muck through the FSM:

http://home.rmci.net/panther/ecu_codes.htm



No offense intended, bl|nk.
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Old Mar 30, 2003 | 09:53 PM
  #4  
*a*jones*'s Avatar
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From: chillicothe, OH
thanks , i was getting a little lost in that FSM

will a code still pull up only if the check engine light comes on upon acceleration?

Last edited by *a*jones*; Mar 30, 2003 at 09:56 PM.
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Old Mar 31, 2003 | 10:12 AM
  #5  
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From: NJ
Yes it should, as it detects the problem.
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Old Mar 31, 2003 | 10:15 AM
  #6  
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Need donor car in Fairfax
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From: Northern Virginia
a disconnected 02 sensor will not cause the engine light to come on.
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