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Q:

87 ranger new fuel pump & ignition module runs good in the cold no in the heat on 1990 Ford Ranger

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
good there be vapor lock from the lift pump to pressure pump when this happen there is no power to pressure pump I have by passed the inertial switch it only happen in the high heat of the day give it 45 mins then it runs?? how long you never know.
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