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Old 01-14-2009, 03:11 PM   #4
dorman68
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Join Date: Feb 2008
Posts: 170
Vehicle Year: 1993
Vehicle Make: Ford
Vehicle Model: Ranger
Rep Power: 22
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I think that it is for the ECT sensor to cause a rough running engine. One thing that I have seen on some of the 2.3L Rangers is that the IMRC(Intake manifold runner control) or the intake manifold swirl control valve vacuum solenoid is prone to sticking or the vacuum hose connecting to it deteriorates or falls off.
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1993 Ranger 2.3L,5-spd-2wd - 149,000 mi.(slow as dog-dirt)
1994 Ranger 2.3L,Auto-2wd - 155,000 mi.(Sold)
2005 Corolla LE - AT Trans
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