Best spark plug for 00-01 XJ?
#1
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Model: Cherokee
Best spark plug for 00-01 XJ?
I've heard champions for everything but the more I do research I get random tips that NGK spark plugs work better with the distributercapless cherokee. I can't seem to get a straight answer..
#2
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Year: 1998
Model: Cherokee
Engine: 4.0
All I can say is when I had my 00 I put in Bosh platinum plugs and it never idled right. Put in some cheap plugs and never had the problem again.
#3
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Year: 2001
Model: Cherokee
Engine: 4.0 Power Tech
I too used the $6 doller per platnum plug and not only did it run like crap it gave me engine codes, went and used .98 cent autolights and everything is good. NGK is a great plug and have used it in most everything I owned in the past. if it works for ya let us know.
#6
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Year: 1999
Model: Cherokee
Engine: 4.0
I have done quite a bit of research on this.
Hands down, the best plug for the distributorless 00-01 ignition is the NGK. Champions run okay, but the NGK seems to handle the task the best with the most longevity.
Bosch = bad news. Way too many people having misfires which are immediately cured with a change of plug brands. Not everyone has the misfires to be fair here, but why take a chance when there are better options?
Nobody complains of misfires on the 00-01 with NGK.
Bottom line is that you will not go wrong with NGKs for this XJ.
Hands down, the best plug for the distributorless 00-01 ignition is the NGK. Champions run okay, but the NGK seems to handle the task the best with the most longevity.
Bosch = bad news. Way too many people having misfires which are immediately cured with a change of plug brands. Not everyone has the misfires to be fair here, but why take a chance when there are better options?
Nobody complains of misfires on the 00-01 with NGK.
Bottom line is that you will not go wrong with NGKs for this XJ.
Last edited by tjwalker; 02-08-2011 at 06:36 PM.
#7
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Year: 1991
Model: Cherokee
Engine: 4.o
NGK is used in the newer 4.0l my wife's 05 tj has these, as far as bosch? there is good and bad in everything....I am using bosch +4 in mine for the last 4000k with no issues. Like the op said use a brand name......
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#8
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Thanks for the quick responses guys. I'll go with the NGK. Is there any special size/style I should buy? I'm 16 and new to the XJ. Changed the plugs on an old BMW once but I ordered them online.. I'll just be going to walmart or autozone.
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Year: 2001
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#10
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See this is where every jeep is different. I have used bosch platinum 4 plugs in ALL of my vehicles and have never had an issue once. Just goes to show you, like I said, every jeep is different
#13
Old fart with a wrench
Be aware the coil pack engines use the "lost spark" system where 2 plugs fire every revolution, one on compression and one on exhaust. NGK ZFR5N (3459) are recommended for these engines. NAPA doesn't sell them, but Advance does.
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