I don't know who changed the spark plugs last...
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Joined: Mar 2010
Posts: 18
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From: Huntsville, AL
Year: 1989
Model: Cherokee
Engine: 4.0L
I don't know who changed the spark plugs last...
But they musta been schizo...
Front 2 cylinders had Bosch Platinums.
Middle 2 cylinders had the proper Champions.
Rear 2 cylinders had some random Autolite.
My old but new to me Jeep is running better than ever now and it wasn't exactly running poorly before.
Installed new plugs, wires, cap and rotor. Drained and flushed power steering pump. Drained transmission and replaced the filter. Cleaned the throttle body and all the intake piping.
Its been a productive day.
Front 2 cylinders had Bosch Platinums.
Middle 2 cylinders had the proper Champions.
Rear 2 cylinders had some random Autolite.
My old but new to me Jeep is running better than ever now and it wasn't exactly running poorly before.
Installed new plugs, wires, cap and rotor. Drained and flushed power steering pump. Drained transmission and replaced the filter. Cleaned the throttle body and all the intake piping.
Its been a productive day.
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