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1991 ford ranger


Dustin907

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Arab alabama
Vehicle Year
1991
Make / Model
Ford, ranger
Transmission
Manual
I just bought a 1991 Ford ranger, most sensors have been replaced along with spark plugs and wires, it wont go above 3 grand in rpms, ive tried everything and need help
 


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alwaysFlOoReD

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4.0,4.0,350
Transmission
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If your in park or neutral I think there is a limiter in effect. Try it in drive.
 

Dustin907

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It doesn't matter if it's in 1st gear or 2nd, and I'm noticing when I push the pedal down all the way I lose power and the motor bogs down
 

alwaysFlOoReD

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Have you check the fuel pressure? It should be 30 to 40 psi. You can check the fuel pressure regulator for a busted diaphragm by pulling the vacuum hose and smelling for gas fumes or liquid. If so then replace it. Also wouldn't hurt to replace the fuel filter.
 

Dustin907

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I do know the fuel filter is brand new, doesn't seem clogged and I haven't checked the fuel pressure regulator will do that tomorrow thank you for your help will be updating,
 

Dustin907

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I checked all that and it came back good no idea what's going on
 

alwaysFlOoReD

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Transmission
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Hmmm, long shot...have you checked the air filter housing for a mouse nest?
 

Dustin907

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Air filter is clean, got a brand new one in it, I am getting a code for my maf sensor tho, don't know if that will fix it but I'm gonna replace it when I get paid
 

Dustin907

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Arab alabama
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1991
Make / Model
Ford, ranger
Transmission
Manual
Changed maf sensor and cleaned out injectors with injector cleaner I have no change and no check engine light I'm out of ideas
 


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