Spark plug Bosch or Autolite

Bosch Spark plug
KirkMouse
  • Starting:
Rating 5.0

I've changed my spark plugs three times, always with the Bosch Iridium, never had any problems. Pre-gapped, takes me about 30 minutes from start to finish. Lasts me about 90,000 miles.

Pros: no problems, lasts long
Mileage: 144840 km
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Autolite Spark plug

Since spark plugs don’t cost that much I played around with a few. My 05 TJ like the Autolite APP985 the best. Hated the NGK ZF5RN the most.

Pros: Autolite APP985 the best
Cons: Hated the NGK ZF5RN
Vehicle: Jeep
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Autolite Spark plug
TDIFan1989
  • Starting:
  • Idle:
  • Acceleration:
Rating 5.0

Cylinder Misfires started on #2, progressed to all, replaced all spark plugs and all spark plug wires. Cylinder misfires now gone. Spark plugs and spark plug wires all in bad condition

Pros: cylinder misfires gone
Cons: spark plugs in bad condition
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Autolite Spark plug

About 6 weeks ago I finally changed the spark plugs. So I put somewhere near 180,000 miles on a set of Autolite spark plugs. Two of the spark plugs the center electrode was completely gone. I don't know how the fuck the engine ran and I certainly don't know how it did not throw a code , it still ran very smoothly even at idle.

Pros: ran smoothly even idle
Cons: electrode was completely gone
Vehicle: Ford Ranger
Mileage: 289682 km
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Bosch Spark plug

I went with OE ignition coils and bosch spark plugs and the misfire went away for a couple days but came back on my drive to school.

Pros: misfire went away
Cons: misfire came back
Vehicle: Volkswagen
Mileage: 160934 km
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Autolite Spark plug
fancy_feast2020
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  • Acceleration:
Rating 2.0

Local mechanic used an Autolite plug, not Honda-recommended NGK. Misfires stopped for a month, then happened twice more. I have since discovered this brand does not run well in a Honda engine.

Pros: misfires stopped for a month
Cons: misfires returned, does not run well
Vehicle: Honda Pilot
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Autolite Spark plug
Pass1928
  • Idle:
  • Acceleration:
Rating 1.0

I changed my plugs to autolite because I had never heard anything bad about them. I replaced them after 3 weeks due to misfires, put another set of autolites in and it ran fine for 2 weeks. Started misfiring again and swapped in a set of NGK's, no problems since.

Pros: ran fine for weeks
Cons: caused misfires
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Autolite Spark plug
SubiePros
  • Starting:
Rating 1.0

Out of all my years replacing spark plugs. The only times I got bad spark plugs that misfired right away is the one time I ordered a fake set thru ebay(my fault for not doing my due diligence) and a set of brand new auto lites from autozone.

Cons: spark plugs misfired
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