87 Jeep cherokee 4.0L miss and bucks

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Jun 11, 2011 | 10:18 PM

vipper304

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Joined: Jun 2011

Posts: 1

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Model: Cherokee

87 Jeep cherokee 4.0L miss and bucks

I got a 1987 Jeep Cherokee 4.0L 5 speed 4x4 it idles perfect but when hit about 1000 RPM misses and bucks surges bad then let of and idles perfect I have changed the TPS and ECM any ideas...?

Jun 11, 2011 | 11:04 PM

xj wheeler

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Joined: Jun 2011

Posts: 1,845

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From: S.E. Tx

Year: 1992

Model: Cherokee

Engine: 4.0 I6 firepower ignition, cat-back w/ magnaflow muffler, poweraid tb spacer, optima blue top

Maybe fuel delivery?

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