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Old 31 Mar 2012, 11:46 pm
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Join Date: Oct 2007
Posts: 4
Default 03 civic ex has problems?

Hi, I drive an 03 civic ex currently it has 98k miles. So when I turn the car on I have to turn the power on first for like 4-5 seconds then turn the engine on because if I don't the car wil usually spit or stutter like it wants to die like the gas isnt going to the engine or something, no vac leak, plugs r good and injectors are cleaned please any one knows what the problem is that would be helpful also theres no engine light so you can't plug a scanner tool so I'm stuck on ideas.
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Old 01 Apr 2012, 12:02 am
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Join Date: Apr 2010
Posts: 304

Due to the fact you say that you have to prime the fuel pump for several seconds leads me to believe you either have a bad fuel pump or an injector that is leaking down. Fuel pressure in the line is too low when you first start it and that is not enough to keep the engine running correctly causing the spitting and stuttering. If you let the pump prime for the few seconds, then the full pressure is there. I would be more apt to say it is the fuel pump.
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