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Unread 02-26-2013, 03:40 PM   #1
General_Jeep
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1994 ZJ 
 
Join Date: Mar 2011
Location: Arvada, Colorado
Posts: 434
Spark plug problems

I have recently changed my spark plugs for the first time in my Patriot. I bought two sets for my own personal test. I first replaced the OEM NGK with the same plug. I noticed a significant loss of power, I can no longer go up Floyd Hill in 4th and accelerate I now slow down. I have properly gaped them as well. I then later, last week tried a gamble with the E3 spark plugs since these either are a hit or miss. In my Nissan Titan they are absolutly fantastic. In my Patriot they seem to smooth out the engine and make it more quite in the lower RPM and it seemed to eliminate my bog down feel when I'm in 2nd Gear with 1500RPM and lower. I did notice a 1mpg gain over my average life of the vehicle which is usually 28mpg. My power is still lower then before I changed them. I still can't get up my Hill while accelerating.

My MPG data
http://www.fuelly.com/driver/sabretooth/patriot

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1994 Jeep Grand Cherokee 5.2L V8- NV3500 - Blown D35 8.8 replacement some day.
2010 Jeep Patriot 5 speed manual-- DD, 27-31MPG :D
1996 Dodge Ram 1500 - Work Truck/Plow 5.2L NV3500
2005 Nissan Titan - Hauler

"The Jeep is Americas only real sports car!" - Enzo Ferrari
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Unread 02-27-2013, 09:42 AM   #2
bigkat91
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2011 MK Compass 
 
Join Date: Sep 2011
Location: Moravia
Posts: 115
It might take away for the computer to relearn the new plugs and new gap
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2011 Compass 59K miles
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Unread 02-27-2013, 01:22 PM   #3
General_Jeep
Registered User
1994 ZJ 
 
Join Date: Mar 2011
Location: Arvada, Colorado
Posts: 434
Yeah I hope you are right it has been 300 miles only since the E3's are in.
__________________
1994 Jeep Grand Cherokee 5.2L V8- NV3500 - Blown D35 8.8 replacement some day.
2010 Jeep Patriot 5 speed manual-- DD, 27-31MPG :D
1996 Dodge Ram 1500 - Work Truck/Plow 5.2L NV3500
2005 Nissan Titan - Hauler

"The Jeep is Americas only real sports car!" - Enzo Ferrari
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