Question about Ford Expedition
You need to determine if the ETC Failsafe is from a
bad throttle body motor (TACM) or coil misfires that are
putting it into failsafe.
The TPS Sensor you replaced,wasn't likely the issue.
Put in new spark plugs
The champion 1 piece ones 7989-- from Napa CHA 7989
You will need the Lisle 65600 Broken Spark Plug Remover Tool
as you will get a couple OEM 2 piece glued together ones break.
Remove PCM from fire wall to get to #4 Plug on pass side
Change the front O2 Sensors at 100,000 miles & clean the MAF
Sensor & Clean the Throttle Plate again.
Posted on May 22, 2011
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Posted on Jan 02, 2017
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