Don't use autolights. AC Delco for GMs & Motorcraft for Fords. Modern ignition systems are sensitive to plugs so I use whatever the OEM does (within reason)
Pros: AC Delco for GMs
Cons: Don't use autolights
Reviews of Autolite spark plug
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Auto lights are trash, Bosch too. I can’t tell you how many times I get a misfire diag that the customer already put plugs in, only to find the garbage auto lights are the issue. A set of oem plugs always fixes it
Pros: OEM plugs always fixes
Cons: Auto lights are trash
I have autolite xp in the van. $100 for 6 ngk, $90 for denso with a van with 250k miles. Everyone says there crap, but it runs great.
Pros: runs great
Cons: everyone says there crap
Mileage: 250000 km
I replaced the original ac Delco spark plugs (shown in picture, THEY LOOK BAD) and put with new auto light ones and changed the wire as well. However, after doing so, my truck has been running really rough, almost like it's cammed and misfiring, when its rolling in drive it like to have a little shake.
Cons: running really rough, misfiring
As long as it’s not auto lite plugs you should be good. I’ve seen those things hinder 3 separate rigs from running right. Once one cracked 100 miles after installing them, half way through a trip we had to sop at autozone and replace plugs
Pros: other plugs should be good
Cons: hinder rigs from running
Mileage: 100 km
Don't even think the Autolite or Bosch last as long as Denso/NGK spark plugs.
Cons: do not last long
Vehicle:
Toyota Camry
autolites were fine 100 years ago
now stick with NGK or whatever OEM was. its not worth it to be fudging around and what little your gonna save may be burned up in less MPG using some other plug.
Cons: less MPG
I've had nothing but bad luck with Autolite brand.
Cons: bad luck
I have a poor running Audi in the shop now. While it needs more than plugs, it has autolites.
Cons: poor running
Vehicle:
Audi
the autolites are bottom of the barrel, i've only used them once when i was young and dumb and ofc they busted while trying to repair and remove after.
Cons: busted while removing
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