upgraded to 703 injectors
Thread Starter
Senior Member
Joined: Jun 2010
Posts: 517
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From: slidell, LA
Year: 1998
Model: Cherokee
Engine: 4.0L inline 6 cylinder
upgraded to 703 injectors
well thats right i upgraded to 703 injectors
my check engine light came on
how long will it take for the engine to adjust to the new fuel injectors
my check engine light came on
how long will it take for the engine to adjust to the new fuel injectors
CF Veteran
Joined: May 2010
Posts: 1,626
Likes: 1
From: Maryville Tennessee
Year: 1995
Model: Cherokee
Engine: 4.0 L
My CEL light did not come on when I did this swap,Maybe you accidently knocked something loose.Do you have a OBD2 scanner? I think it takes 50 start ups for your computer to relearn and adjust
Last edited by Skunkape; Nov 5, 2010 at 08:16 PM.
CF Veteran
Joined: Jan 2010
Posts: 5,482
Likes: 25
From: Virginia Beach by way of Michigan
Did you reset your ECU? If not, do that (unhook your neg and pos terminals, hold them together for 30 seconds. Reattach them to the battery. Turn your ignition to "on", turn headlights on then off. Turn ignition off), then it will take 50 start ups for the ECU to relearn the fuel trim levels.
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