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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 10-12-2013
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I am: James Piper
Join Date: Oct 2013
Location: San Clemente, CA
Vehicle: 1990 Ford Ranger
Drive Type: 4x4
Engine: 2.9
Posts: 1
Total Props: 0
RPM Surges

Have a 1990 2.9 4x4.. When going down the freeway the engine rpm will surge or go up 250 RPM.. It does this on its own with no input from me.. Any ideas why it would do this.

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