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engine wont stay running

kentuckykrawler

Well-Known Member
Joined
Dec 29, 2011
Messages
68
Location
knottsville ky
just installed 350 vortec in a jeep tj and the only problem i got is it wont start unless you give it a little gas. you can reach in and hit the key and it will start for a split second than die, after you start it by giving it gas it runs perfect. any ideas what would cause this.
 
Do you not have a way to hook a scanner up to the motor to check for codes ? I would say it is a IAC motor problem.
 
Re: Re: engine wont stay running

Any vacuum leaks? I had a plug come out of my intake done the same thing. I could hear it while running.
 
Re: Re: engine wont stay running

ranger11 said:
Any vacuum leaks? I had a plug come out of my intake done the same thing. I could hear it while running.

There is a large vacuum port on the back side of the intake. I have mine capped off, but it has popped off before and would not run right or stay running until hooked up or capped off oin my case.


Otherwise, it may be a function of a failing spider. Here is the upgrade. http://www.fuelinjector.citymaker.com/catalog/item/7638068/8762565.htm
 

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