wont go over 2000 rpms

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08-08-2010, 06:37 PM

DIRTMAFIA

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Location: MESA AZ

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Year: 1990

Model: Cherokee

Engine: 4.0

wont go over 2000 rpms

i have a 1990 xj with 4.0 it will not rev above 2000 in gear or park new wires plugs and tps no cat i need help thanks

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08-08-2010, 08:52 PM

THENNING

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Year: 1999

Model: Cherokee

Engine: 4.0 6 cylinder

checks for any leaks in or around your carb or intake manifold

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08-08-2010, 10:00 PM

Bustedback

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Location: Oroville, CA

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Year: 1995

Model: Grand Cherokee

Engine: 4.0 with all of the noise and clatter

What is your fuel pressure? Sounds like it's starving for fuel.

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