Stick with Champion plugs in the 4.0L inline 6. Anything else will have you chasing a “stumbling” idle.
I use champion on my 04. No issues. The more expensive ones that’s when the issues start
I use Champion in my 02. Never had any issues.
I’ve been running champion plugs for about 40k mi without issue.
C\u00e2nd am luat-o, am b\u0103gat ni\u0219te bani, \u00een consumabile, \u00eensemn\u00e2nd anvelope, sistem AC (compresor, radiator, etc), ni\u0219te senzori de parcare ar\u0219i, discuri, pl\u0103cu\u021be \u0219i un etrier pe fa\u021b\u0103, kitul de accesorii, evident ulei \u0219i filtre, bujii... \u0219i am dus o la RAR.
Champion are ok if you change them every 2000 miles, otherwise they tend to loosen up at the terminal and you end up having to retighten them on a rigid mount Harley every 500 miles or so.
Champion are the only plugs I’ve had the ceramic crack on, so no more Champion for me.
My service center guys installed Champion plug instead of Bosch on my turbocharged Altroz. Company user manual clearly says to use Bosch in TC. My car's economy has dropped significantly...and I'm just frustrated.
I won't run champion plugs in anything but lawn mowers. That's the only thing I've put them in that didn't get angry about it. Guess everybody's vehicles are different, but personally I don't think they're very good plugs.
Champion spark plugs are rubbish, not sure why they’re even sold.
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