Jeep Comanche Engine Control Computer

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Great upgrade for 86-88 Jeep 4.0

Coyote

in 4 months

I used this to upgrade my 1988 Jeep Comanche 4.0. Jeep upgraded the ECU programing in '89 and '90 models. The ECU is still backwards compatible with the '88 and older 4.0 engines. This was an easy upgrade and noticably smoothed out the idle and increase throttle response/acceleration.

What kind of vehicle do you drive? 1988 Jeep Comanche

I used this to upgrade my 1988 Jeep Comanche 4.0. Jeep upgraded the ECU programing in '89 and '90 models. The ECU is still backwards compatible with the '88 and older 4.0 engines. This was an easy upgrade and noticably smoothed out the idle and increase throttle response/acceleration.

What kind of vehicle do you drive? 1988 Jeep Comanche