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epicurien
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« on: August 08, 2005, 11:12:13 pm » |
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The engine light has been lighting up occasionally after I start my 95 Civic. It eventually goes off and it doesn't happen every time. Any suggestions on what this could be indicating?
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froggy
Auto Obsessed
 OfflineVehicle: 2005 Toyota RAV4
Gender: 
Location: Ottawa
Posts: 728
 
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« Reply #1 on: August 08, 2005, 11:25:49 pm » |
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Gas cap? I remember being told that if the integrity test passes 3 times in a row after a failure, the CEL comes off. |
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epicurien
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« Reply #2 on: August 09, 2005, 03:07:59 am » |
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what the fack does that mean froggy?!! |
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tpl
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« Reply #3 on: August 09, 2005, 06:29:00 am » |
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If the gas cap does not seal tight, the evaporative emission control gear will not be able to make a partial vacuum in the fuel system and will flash the light on. This is the most common cause. However I am not sure if '95 isn't too old for that as this came in with OBDII.
Another possibility is a stretched timing belt so that the engine cam timing is off on start up, this happened to me on a Golf once.
Misfire detected although that usually leaves the light on.
and many other possibilities |
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It is a narrow policy to suppose that this country or that is to be marked out as the eternal ally or the perpetual enemy of England. We have no eternal allies, and we have no perpetual enemies. Our interests are eternal and perpetual, and those interests it is our duty to follow.
Lord Palmerston
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safristi
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« Reply #4 on: August 09, 2005, 09:26:40 am » |
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 ..YUP and it means $75 buckaroos ta get yer 'black box" read....to get THE REST OF THE STORY!!!"  |
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THERE IS NO CURE FOR "LOTUS"......ONLY TREATMENT.....
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articsteve
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« Reply #5 on: August 09, 2005, 01:18:03 pm » |
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Another possibility is a stretched timing belt so that the engine cam timing is off on start up, this happened to me on a Golf once.
I'm with that possibility or just a faulty cam sensor which can reset. When was your timing belt last done? |
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“Frankly, we are not going to ever defeat the insurgency,” Billions for jets and pennies for vets; Harponi is MAGNIFICENT.
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froggy
Auto Obsessed
OfflineVehicle: 2005 Toyota RAV4
Gender:
Location: Ottawa
Posts: 728
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« Reply #6 on: August 09, 2005, 04:23:28 pm » |
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Sorry DOfB, I guess my message was a little cryptic... but Tpl explained it better! |
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kmak
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« Reply #7 on: August 09, 2005, 11:47:04 pm » |
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D of B, check your plugs, make sure they are proper type and gapped. Civics can get intermittant misfires from this, CEL will flash. |
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tpl
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« Reply #8 on: August 10, 2005, 06:35:19 am » |
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In fact check anything that can cause a misfire. According to the EPA OBD site the light will turn on if any misfire is detected and then clear itself if the misfire goes away. As this car is 10 years old it is a) early OBD technology and b) all kinds of things could be imperfect with age!
Another thing I have seen ( years ago) was a tiny headgasket leak which cause enough coolant to foul a plug as the engine cooled but cured itself after start up as the engine warmed up. There was no visible loss of coolant.
so checking the plugs is an excellent plan |
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It is a narrow policy to suppose that this country or that is to be marked out as the eternal ally or the perpetual enemy of England. We have no eternal allies, and we have no perpetual enemies. Our interests are eternal and perpetual, and those interests it is our duty to follow.
Lord Palmerston
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epicurien
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« Reply #9 on: August 12, 2005, 11:37:07 pm » |
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once again, excellent support and advice from your community, thanks a million |
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