Hi,
Crowdpleazer, yes the mechanic did put in new spark plugs and wires. The truck has 128,000 miles-V6 4.0.
Fairlaineguy, I read the same thing about the IAC.
Should I go back to the mechanic and ask for a fuel pump test? Also, as far as sensors, does the check engine light have to be on for a code to appear? I read something about the O2 sensor causing problems.....
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This was the link w/ the IAC and his symptoms sound similar to mine.
http://www.fordrangerforum.com/4-0-s...when-cold.html