Spark plugs-engine overheating - JeepForum.com
 
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post #1 of 2 Old 08-06-2010, 04:18 PM Thread Starter
sixmanz
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2005 LJ Wrangler 
 
Join Date: Dec 2009
Location: Granbury TX
Posts: 30
Spark plugs-engine overheating

I know there are many threads on here about overheating and jeep coolant systems. My question is can bad spark plugs (not necessarly misfiring or rough idling) but just needing to be replaced, cause the engine to run hot. I have an electric fan and I am thinking about getting one that pulls more cfm. I just got my catalytic converters replaced under the federal emissions warranty so Im thinking if the whole system was running rich or just plain bad due to the old cats my spark plugs need to be replaced. So anyones 2 cents would be greatly appreciated. It has also been 105 degree days here in texas so that might be some of my problem.

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post #2 of 2 Old 08-06-2010, 05:38 PM
JBTJ
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2001 TJ Wrangler 
 
Join Date: Mar 2006
Location: Dallas
Posts: 11,551
No, plugs won't make your engine run hot. How hot is it running? I would think more towards that electric fan not doing good enough.
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