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Change your plugs newbies! (Do yourself the favor!)

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ColdCanuck33

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Discussion starter · #1 ·
I've seen alot of posts on here about ways to imrpve the efficiency or power of your Pats...A few threads talked about options but only one or two said change the plugs.

I just switched my plugs from the stock NGK coppers which are rated for 30k km (im canadian so km for me haha) but i put in new platinum Bosch plugs and wow. starts up with what seems like half the engine effort, idles smoother, accelerates faster and feels like it has a little more pep on the gas.

Most people change plugs when they go and not when they should, but knowing your stock plugs are only rated for 30k (i bought my jeep at 80k and it still had stock plugs) its worth the $50 and 25 minutes it takes to do it yourself.

Cheers!
 
#2 ·
WOW! at 30k km that's about 18,500 miles in the US. With today's engine technology, I expect to change my plugs at 161k km or 100k miles unless performance tells me to do it sooner.
 
#5 ·
Newt said:
Personally, IMO if plugs don't last 100k miles, it's because they are defective.
Click to expand...
Apparently not in a Patriot. Seems to me that NGK is a reputable brand so I don't know what is so different about a Patriot that the plugs have to go so frequently. Then again, it wasn't that long ago that plugs were 10,000 mile items.
 
#6 ·
Newt said:
Personally, IMO if plugs don't last 100k miles, it's because they are defective.
Click to expand...
Maybe for platinum or irridium, but certainly not true for plain 'ol copper.
 
#8 ·
my neighbor who is now 83 and has been working on cars since he was a teen said the same thing about my plugs...I got mine changed at around 65 k, he said no they should last longer, he took a look, and said yup they needed to be changed , and changed them

at around 100 k i asked him look at them again, he said they were ok, and said the same thing if i had them changed at 65 k they should be good a whiles

Patriot Spark plugs for some reason need to be changed more frequently

I m at 120 k and would be a good idea to get mine looked over
 
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Discussion starter · #9 ·
Apparently the OEM plugs they put in were NGK plugs but were very basic low end copper plugs with a low km/mi rating. but chances are if they never had misfire codes or startup issues they wouldn't go out of their way to replace them so chances are if you pick up a pat under 100k km its original plug and needs replacement. I changed mine on a hunch and noticed immediately the change in idle, the change in power and acceleration...and again for $50 why not? especially buying used...at least now you KNOW when the little things were done (oil change, brake change, plug change) and can start your own maintenance schedule going forward
 
#10 ·
I just changed my plugs last month and used the OEM NGK type plugs. The plug replacement was recommended to the previous owner at 38K according to the paperwork but they declined the service. The plugs I removed had a considerably wider gap that specs so that indicated wear and a necessity to replace them. My mileage was fairly good considering a small tank and living in a mountainous rural area, but new plugs brought the mileage to 27 MPG. I'm sure others in better locations are doing better but for my area this is great. Being a retired GM tech we didn't replace too many plugs due to the platinum and irridium plugs which were really advertised as super long life units and of course the $100 + cost of parts alone for a 5.7L plug replacement :)
 
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