Change spark plug and now the ac don't work

2004 FORD F-150
167,267 MILES • 5.4L • V8 • 2WD • AUTOMATIC
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AGENTBLACK
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Was have problem with truck die at almost every other stoplight. Change out two up stream O2. Sensor then I thought change spark plug and now the ac blow hot.
Oct 5, 2014 at 9:56 PM
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STRAILER
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It sounds like you might have bumped a vacuum line or the electrical connector to the AC compressor, please inspect and get back to me :-)
Oct 8, 2014 at 9:08 PM