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check engine light goes on and off *searched*

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Old 08-01-2005, 11:28 PM
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Default check engine light goes on and off *searched*

this happens usualy when the weather is hot.
im driving on the freeway going 80~90 then my check engine light goes on. i pull off the freeway come to a stop and the enging is idling at 1200 rpm. there is alot of black smoke comming out of my exhuast. i turn off the car. turn the ignition to #2 and the check engine light goes off. i start it and it runs normal. but when i start driving it again the check engine light comes back on.

my 1995 civic ex with 167000 miles
Old 08-01-2005, 11:39 PM
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Default Re: check engine light goes on and off *searched* (accord6th)

https://honda-tech.com/zerothread?id=682412
Old 08-02-2005, 07:39 AM
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Default Re: check engine light goes on and off *searched* (accord6th)

i checked the for cel codes, but none. just the srs light keeps blinking.


Modified by accord6th at 7:08 PM 8/2/2005
Old 08-04-2005, 04:59 PM
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Default Re: check engine light goes on and off *searched* (accord6th)

does your car choke up or sputter or stink because it kinda sounds like it might be your your cat but im not positive.
Old 08-04-2005, 10:53 PM
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Default Re: check engine light goes on and off *searched* (vics_si)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vics_si &raquo;</TD></TR><TR><TD CLASS="quote">does your car choke up or sputter or stink because it kinda sounds like it might be your your cat but im not positive.</TD></TR></TABLE>

it does that while the check engine light is on, but runs normal after i turn off the car and start it up again.

i also check for codes and i didnt get any.
Old 08-04-2005, 11:04 PM
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Default Re: check engine light goes on and off *searched* (accord6th)

If your check engine light is coming on, it has to be throwing a code. By the black smoke it seems like it might be o2?
Old 08-04-2005, 11:09 PM
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Does it smell rich? Thick black soot on the back bumper? Is it in limp mode? AKA, won't rev past 4k.
Old 08-04-2005, 11:15 PM
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my accord did that when my stupid short-ram was a little out of position and wasn't sealing properly at the throttle body. check all that stuff, and make sure the gas cap is on nice/tight. the cel comes on if the caps not tight enough
Old 08-05-2005, 10:07 AM
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Default Re: (1995Ex_Sedan)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1995Ex_Sedan &raquo;</TD></TR><TR><TD CLASS="quote">Does it smell rich? Thick black soot on the back bumper? Is it in limp mode? AKA, won't rev past 4k. </TD></TR></TABLE>

its rich alot of black smoke.
my 02 is just 4 months old, but its not oem. it is also spliced. can this be the problem?
Old 08-05-2005, 02:47 PM
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Default Re: check engine light goes on and off *searched* (accord6th)

that happened to me with my chipped p28...i couldnt go passed 4000 rpm...but beofre it did it the check engine light was coming on and off...so u might wanna check ur computer....
Old 08-05-2005, 06:13 PM
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Of course. Check your wiring on the 02 Sensor.
Old 08-06-2005, 10:06 PM
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Default Re: (1995Ex_Sedan)

it was the ecu. i switched it with my friends delsol and he had the problem.
thanks for the info
Old 08-07-2005, 10:25 AM
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Default Re: (accord6th)

no problem...glad to help u
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