Question about 1989 Jeep Cherokee

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89 laredo 4.0 Starts, Idles but no power

It starts and idles great but when the throttle is applied, it bogs down, bucks above 1.5 rpms Plugs and wires are good
Has excellent fuel pressure, brand new coil, cap and rotor, brand new exhaust from manifold back including converter.
Could it be the computer?

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Have you checked the fuel pressure while pressing the gas pedal? Pressure should stay above 40PSI

Posted on Jul 29, 2009

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