injector swap?
09-05-2011, 08:59 PM
#1
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Year: 1996
Model: Cherokee
Engine: 4.0
injector swap?
I have a 96,4.0 5 spd,4x4.Installed 703's and reset comp. Now it runs very rich and check engine light comes on,what next?
09-05-2011, 10:41 PM
#2
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Year: 1996
Model: Cherokee
Engine: 4.0 HO
Dont quote me on this since ive never done this swap,
but I believe it takes 30 starting cycles for the computer to relearn the new injectors.
but I believe it takes 30 starting cycles for the computer to relearn the new injectors.
09-06-2011, 07:38 AM
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If you reset the ecu and are still running rich you probably have a fouled spark plug (causing the CEL). Pull the injectors and test each one (9V battery and wire, you should hear a "click" when the injector gets power) to make sure none are stuck open. Also pull your plugs to make sure none are fouled out.
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