Do you have to take the manifold off in order to change spark plugs

2006 FORD TAURUS
115,107 MILES
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AMANDAJACKSON1983
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My check engine light heteros coming on, and saying cylinder misfire.I paid a repair shopfor a tune up.however I think they may not have change all the spark plugs.theyre saint now it needs to be flashed.my car also recently started jumping.
May 16, 2012 at 2:43 PM
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KHLOW2008
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What trouble codes are you getting? Misfires can be due to injectors, spark plugs and related components. Chenging the spark plugs might not solve the problem.

The intake manifold need no be removed to replace the spark plugs.
May 16, 2012 at 4:52 PM
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AMANDAJACKSON1983
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The codes that are reading are random misfire, catalytic converter.now they're saying the transmission its slipping
May 16, 2012 at 6:01 PM
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KHLOW2008
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What were the exact trouble codes? Are they still present now?
May 16, 2012 at 8:46 PM