What is your question?
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What is your question?
I have a 98 ford explorer 4.0 sohc when I start the car from a cold start its runs up and down until it warms up then its fine, what could be the problem
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are you talking the o ring between the throttle body and the intake? I had to change the thermostat housing and had to remove the throttle body. could that cause the same problem?