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Bogging out

(1990 Ford Ranger)
in Sacramento, CA on April 09, 2009
starts out fine until i reach about 2500 rpms then boggs out for a second or two then catches itself and is fine until i shift and hit about the same rpms?
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Popular Answer
on April 09, 2009
Do you have a Check Engine Light on? It may be an over active EGR valve. The code will help in determining what the problem is.
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on June 16, 2010
Same problem here mechanic said fuel pressure was'nt enough so I changed fuel pump, did'nt make a difference,maybe Map sensor is dirty.This has been ongoing for about 2 yrs now really could use suggestions?
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on September 10, 2010
Yes sad to say sme saga here.1988 ranger 2.9l v6-has low vacuum at idle speeds,runs rough,very low power while climbing hills and tach jumps around like mad.I have replaced fuel pump,filter,distributor,full tune-up w/fuel injector service,tested back presure in exhast by dropping the catalyidic converters-----still runs the same help!!!
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