94 civic check engine but no codes

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05-09-2016, 06:14 AM

Robfour4

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94 civic check engine but no codes

I have a 94 civic auto v tech it doesn't have a check engine but recently while driving it will come on until I complete my route and turn off the car then start it and it is off again I attempted to pull the codes but doesn't throw any any help or suggestions

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05-09-2016, 06:35 AM

civichxtreme2

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Re: 94 civic check engine but no codes

So you are trying to read the car after the CEL is reset and off?

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05-09-2016, 07:03 AM

eghatch9295

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Re: 94 civic check engine but no codes

leave the connector jumped while driving.

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05-09-2016, 09:55 AM

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Re: 94 civic check engine but no codes

Quote:

Originally Posted by eghatch9295

leave the connector jumped while driving.

Not recommended as this^ would disable ECU adjustment of the ignition timing.

Instead, leave engine running when CEL turns on and you jump connector.

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05-09-2016, 07:20 PM

eghatch9295

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Re: 94 civic check engine but no codes

true enough that it would, but doubtful that it'd hurt anything if done for a short while. for ronj's suggestion, i've seen switches installed on the jumper wires so that this can be done on the fly.

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05-09-2016, 11:01 PM

TomCat39

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Re: 94 civic check engine but no codes

Quote:

Originally Posted by eghatch9295

true enough that it would, but doubtful that it'd hurt anything if done for a short while. for ronj's suggestion, i've seen switches installed on the jumper wires so that this can be done on the fly.

You know, this isn't a half bad idea to do permanently.

I believe the 25 amp toggle switches that were on sale at Princess Auto might be overkill but slapping one of those onto that service connector sure would simplify things...