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1994 civic ex start/idle problems

Old Jan 9, 2011
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Angry 1994 civic ex start/idle problems

i just bought a 94 civic ex coupe and it started and ran fine. yesterday i shut the car off for about 20 minutes and went inside. came back outside to move the car and it wouldnt start. got it started today but has real rough idle. has power surge then drop continuous. i got a lot of opinoins and most lead to fuel pump/main relay but i wanted to get some other peoples input before i start spending money
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Old Jan 10, 2011
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Re: 1994 civic ex start/idle problems

Is the RPM raising and falling?
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Old Jan 12, 2011
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Re: 1994 civic ex start/idle problems

Are you saying that your RPMs are pulsating? If so, you might want to check your IAC. Thats what was wrong with mine. But, I don't think the IAC would cause a non-start...
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Old Jan 16, 2011
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Re: 1994 civic ex start/idle problems

Originally Posted by payaso88
Are you saying that your RPMs are pulsating? If so, you might want to check your IAC. Thats what was wrong with mine. But, I don't think the IAC would cause a non-start...
well i thought it was either that or i had a vacuum leak...took it to my guy for a bumper to bumper and turns out its just about everything anyone wanna buy a 94 civic? will post exact problems and pics in future
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Old Jan 19, 2011
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Re: 1994 civic ex start/idle problems

Originally Posted by ninja94
well i thought it was either that or i had a vacuum leak...took it to my guy for a bumper to bumper and turns out its just about everything anyone wanna buy a 94 civic? will post exact problems and pics in future
sounds like a main relay or fuel pump. both are EXTREMELY easy to install and relatively inexpensive used, new they can get a little pricey though.
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