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  #1  
Old 03-01-2011, 07:50 PM
phobia8418
 
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Default 1999 4cyl 2.5 ltr high rev stalls

So i bought this ranger from a guy and it has about 175k miles on it. He warned us about a problem of when you rev it high(it is a manual trans) it starts clucking and shaking like crazy and stalls out. Whenever you turn it on it shakes a ton and starts up and keeps "clucking" for a while until it evens it's self out. Then it runs fine. So far we have replaced: all the spark plugs + spark plug wires, both coil packs, the fuel filter, mass airflow sensor, back O2 sensor, cleaned the idle air control valve, all gaskets replaced. i have no idea what is wrong. no leak in intake manifold btw.
helppp
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  #2  
Old 03-01-2011, 08:05 PM
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

Hmm, sounds like you replaced most of the things that may be causing it. Could be injectors which are clogged starving the engine for fuel, or the fuel filer itself. Change that, because it's cheap and simple. Could also be a vacuum leak. Are you throwing any codes?
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  #3  
Old 03-01-2011, 08:18 PM
phobia8418
 
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

yea I went in and got a code for too much oxygen somewhere.
and just finished replacing the fuel filter today. still the same. ill look at fuel injectors.

----------

sprayed carb cleaner all around intake manifold, all tubes we checked and in good cond., and checked all vaccum hoses. no apparent change.
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  #4  
Old 03-01-2011, 08:31 PM
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

let me know im gettin a 00' 2.5l auto and not sure what to expect . ive heard of that before from somewhere if i think of it ill let u know . but how dirty was the filter some dirt might have gone through to injectors, also check grounds . what octane u runnin keep me posted and ill ask around since im joining the 2.5l brotherhood
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1999 3.0 v vin. ex.cab,6'footer,4wd ,160,000mi gold ,00',2.5l,"c vin",reg.cab,7'footer,2wd,174,000mi,gold. 01',3.0l,"v vin",ex.cab,6'footer',2wd,53,000m,black. all auto xlt's they play in the poconos mtn.,pa.
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  #5  
Old 03-01-2011, 08:38 PM
phobia8418
 
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

87 but ive tryed 93 still the same. and yea ill clean the injectors when i get time =)
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  #6  
Old 03-01-2011, 08:38 PM
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

You have to have a vac leak with that code. This is causing your motor to run lean and run like shit when more fuel is needed, but not supplied.
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  #7  
Old 03-01-2011, 08:58 PM
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

sounds like a huge Vacuum leak, one of the large ones is directly under the throttle body, and hard to see..
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  #8  
Old 03-01-2011, 09:11 PM
phobia8418
 
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

ill look for a leak. thanks guys! big help! =)
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  #9  
Old 03-02-2011, 02:59 PM
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Default Re: 1999 4cyl 2.5 ltr high rev stalls

no problem good luck!!!
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1999 3.0 v vin. ex.cab,6'footer,4wd ,160,000mi gold ,00',2.5l,"c vin",reg.cab,7'footer,2wd,174,000mi,gold. 01',3.0l,"v vin",ex.cab,6'footer',2wd,53,000m,black. all auto xlt's they play in the poconos mtn.,pa.
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  #10  
Old 01-28-2013, 07:12 PM
phobia8418
 
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Default

So Ive fixed it all after completely reolacing the engine it twice it turns out the 1st cylinder was so loose it was moved back and forth if you pushed it against the cylinder walls. Its running great now. Thanks for the help guys
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