98 explorer misses upon acceleration

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04-07-2007, 10:21 PM

911bear

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98 explorer misses upon acceleration

i have a 98 explorer 4.0 x engine anytime you pull out it misses but then runs good after you get up to speed .

new intake gaskets
new wires
new plugs
cleaned maf

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04-08-2007, 01:40 PM

marragtop

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Have you pulled the codes? You can also try cleaning the IAC and replacing the fuel filter.

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04-08-2007, 03:08 PM

aquanaut20

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Check the plugwire and plugs for breakdown when under load.

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04-08-2007, 03:17 PM

911bear

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iac ??

where is iac what does it look like? what the best thing to clean it with? thanks very much

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04-08-2007, 05:35 PM

marragtop

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IAC link ... https://www.ford-trucks.com/forums/1...pair-help.html

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