5.2 ZJ Tune up Time
Thread Starter
CF Veteran
Joined: Jan 2015
Posts: 2,152
Likes: 7
From: Minnesota
Year: 1999
Model: Cherokee
Engine: 4.0L
5.2 ZJ Tune up Time
Alright I've owned it for about a month and I think it's time I give it a tune up! I have a few questions being I know different vehicles like different brands better than some others ..
What spark plugs?
What cap and rotor?
What wires?
I've done all the fluids including oil, tranny, transfer case, diffs. I've also seafoamed it and put a new fuel filter in. Anything else I'm missing? I'm getting about 14mpg. Thanks!!
What spark plugs?
What cap and rotor?
What wires?
I've done all the fluids including oil, tranny, transfer case, diffs. I've also seafoamed it and put a new fuel filter in. Anything else I'm missing? I'm getting about 14mpg. Thanks!!
CF Veteran
Joined: Feb 2010
Posts: 12,367
Likes: 23
From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
Check with Summit Racing to see if they have a complete Accel tuneup kit. I got one for my 4.0 and have no complaints. 14mpg is pretty normal.
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