rough idle on 1994 Chrysler LHS

My 94 LHS 82000 miles has a rough idle when you get past idle engine smooths out and runs fine gas milege is @21 mpg. Timing belt was changed @65000.miles. Vehicle has been maintained; plugs, filters etc. Never had any of manufactures recalls completed, is it to late to get them done, is there a time limit on recalls. Im the orignal owner.

by in Manahawkin, NJ on September 26, 2009
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2 answers
ANSWER by , September 26, 2009
Try the MAF sensor, Fuel Filter, Air Filter, Check tire Pressures for Better MPG about the rough idle there was a service bulletin in 1993 about the idle air control motor maybe that's your problem.
ANSWER by , August 04, 2010
replace fuel injectors seals and intake maniful gaskets