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87 2.9 loses power.....HELP!!!!!!!!!!!!

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Old Sep 7, 2005 | 12:35 PM
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mycam8u2
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Cool 87 2.9 loses power.....HELP!!!!!!!!!!!!

i have an 87 bronco ii. when it is cold it runs great, when it gets to operating temp it loses a lot of power,does not miss,no smoke,just loses power and taps.i need to know the location of the eec test plug and how to run a test.fuel filters are new.once in awhile this thing taps but when it is loses power the tapping is much more noticable. ANY IDEAS AND INPUT WOULD BE GREAT . THANX
 
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Old Sep 7, 2005 | 07:40 PM
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From: South Jersey
On my 1989 is was on the passengers side of the engine compartment by the power distribution box, which should be by the relays on your year.
 
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Old Sep 8, 2005 | 04:14 PM
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any ideas on the power loss?
 
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Old Sep 8, 2005 | 06:46 PM
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From: Bixby, OK
Pull codes first, that should give you the best clue as to what is wrong.
 
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Old Sep 12, 2005 | 08:08 AM
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I have similar +

if you say your engine starts tapping after reaching operational temperature - it's the hydraulic valve lifters. Usually it happens because of low oil pressure due to engine wear
Check the oil pressure - you'll be amazed
 
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Old Sep 12, 2005 | 08:53 AM
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...Welcome madclone, to Ford Truck Enthusiasts!
Great first post, jumping in and helping..
We are happy you have chosen the best source for Fords!

Enjoy FTE....and
JOIN CLUB FTE -SUPPORT THE FORUMS!
…..See you on the boards.
 

Last edited by IB Tim; Sep 12, 2005 at 03:23 PM.
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