I got a new set put in some NGK’s.
Pros: new set installed
Vehicle:
Toyota Corolla
Owner reviews for spark plug
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OEM are actually cheaper than a lot of aftermarket plugs. Buy from a place like bell Lexus or just get the denso branded equivalent. They last hundreds of thousands of miles in some cases, so OE has certainly proved its worth
Pros: last hundreds of thousands miles
Cons: cheaper aftermarket plugs
Vehicle:
Lexus
Yeah, NGK's are great. Get the best you think you can afford.
Pros: great
I like NGK's iridium spark plugs personally
Pros: like iridium spark plugs
Part number: DCPR7EIX
NGK FR6AHX-S 94279
Part number: FR6AHX-S 94279
Denso 3297 on Rockauto are the Oem plugs
Part number: 3297
I just run oem plugs gapped to . 024 as recommended by eqt who I'm tuned by. No knock, I had brisks and Ruths before, my car didn't really like brisks and Ruths just made it misfire closer to the 5k change out.
Pros: no knock
Cons: caused misfire
Mileage: 5000 km
We bought a 2015 Mazda CX-5 that has 155K miles on it. Plugs never changed by prior owner. It was giving us **26 MPG**. The engine was rough at idle. So I read and read about Spark Plugs and purchased NGK LKAR7AHX-S Spark Plug NGK Ruthenium HX Spark Plug that this is better then the OEM ILKAR7L11. So we installed the HX, we noticed the engine smoother but the MPG dropped down to **24 MPG consistently.
Pros: engine smoother
Cons: MPG dropped
Vehicle:
Mazda
Mileage: 249447 km
Probably going to need to pull them again within a couple years. Autolites are the absolute worst sparkplugs.
Cons: absolute worst sparkplugs
If you need new spark plugs... Don't use Autolite.
Cons: Don't use Autolite
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