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  #1  
Old 03-10-2011, 06:17 AM
mmasini mmasini is offline
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Join Date: Mar 2011
Posts: 19
Smile HP problems

hey guys. seems like i am losing power as time goes on on my 94 ranger 4.0 170k
The 1st few minutes driving it when its cold it seems ok, but when i switch gears and give it some gas after it warms up for a minute, i lose about 25% hp.
any ideas on some underlying causes?
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  #2  
Old 03-10-2011, 06:27 AM
Botta Ranger Botta Ranger is offline
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Posts: 240
Default Re: HP problems

At full throttle?
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Old 03-10-2011, 06:49 AM
mmasini mmasini is offline
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Wink Re: HP problems

at full throttle on the lower gears going into a higher gears. its lost alot of its power at higher rpms.
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  #4  
Old 03-10-2011, 07:09 AM
boroite boroite is offline
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Posts: 8
Default Re: HP problems

first guess is spark plugs and/or spark plug wires...
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