Question about 1990 Ford Bronco

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90 ford bronco is cold blooded

My 90 bronco idles very rough and sometimes dies until it warms up and then it runs great

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There is a sensor on the manifold called the ACT, air charge temp. if it is malfunctioning it can cause this behavor. Run codes and see what it shows. if you dont want to by a scanner you can find full instructions on how to pull codes manually at fordfuelinjection.com

Posted on Aug 01, 2010

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Cold blooded


Hello
Welcome to FY
very common problem on the 318/360 is the egr port becomes plugged up this will cause a poor start and run rough until warm up.
RD

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