Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

98 civic misfire

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Old Oct 18, 2009 | 09:00 PM
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korn123's Avatar
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Default 98 civic misfire

missing on all 4 cylinders. Got good spark to all plugs what could the problem be the intake air on a obd2 tool is in the 300's. Please help
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Old Oct 18, 2009 | 09:34 PM
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Default Re: 98 civic misfire

Insufficient information
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Old Oct 18, 2009 | 10:03 PM
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Default Re: 98 civic misfire

the intake air on a obd2 tool is in the 300's
What in the F does that mean?

Insufficient information
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Old Oct 18, 2009 | 10:06 PM
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Default Re: 98 civic misfire

He probably means the scanner is telling him that his intake temperature is at 300 degrees.

OP: Are there any CEL's? What other maintenance have you done? How long has this problem been happening?
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Old Oct 18, 2009 | 10:15 PM
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Default Re: 98 civic misfire

DAMN....!! if his intake temp is 300* than it's broken or he has serious issues.
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Old Oct 18, 2009 | 10:27 PM
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Default Re: 98 civic misfire

A bad IAT or IAT circuit seems like an unlikely cause for misfire.

Last edited by Former User; Oct 19, 2009 at 08:21 AM.
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Old Oct 19, 2009 | 06:54 AM
  #7  
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Default Re: 98 civic misfire

car start cel light flashing and R666_EK is right about the intake air. Any idea what's wrong. This just happened
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Old Oct 19, 2009 | 08:22 AM
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Default Re: 98 civic misfire

If you unplug the IAT sensor, does the engine still misfire? If so, when did you last replace the plugs, wires, cap, and rotor?
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Old Oct 19, 2009 | 10:14 AM
  #9  
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Default Re: 98 civic misfire

will try that never replace that stuff we lade the wires with plugs in them on the valve cover and got good spark. CEL codes are p300 p302 p304.
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