Has anyone here ever actually purchased what turned out to be faulty counterfeit spark plugs? I’ve heard the claim this is happening, but never purchased any counterfeit plugs myself. Wondering how prevalent this problem is? If you have got some faulty spark plugs, what was wrong w/them? Did…

So far so good here… but I don’t buy spark plugs from ebay and amazon where they are having the issue… The Ford Connect guy posted something about getting some from RockAuto IIRC, but the thread/post was probably deleted by him… lol

[image] davesmopar: The Ford Connect guy posted something about getting some from RockAuto IIRC Maybe that’s @LostnTransit . LIT, have you been victim of of some fake spark plugs lately?

I only buy plugs for my small engines not my cars. I buy them from Napa, Briggs or champions from the farm store and once from jacks. Taryl cautioned that the gold ones seemed to be crap but the silver are ok. Didn’t know why. Have some of both.

[image] George_San_Jose1: Maybe that’s @LostnTransit . LIT, have you been victim of of some fake spark plugs lately? There ya go sir… [image] EGR Valve Replacement Maintenance/Repairs You’re not going to believe this. But I’m busy getting ready to have the new set o…

[image] bing: I only buy plugs for my small engines not my cars The plugs for my garden-equipment small engines seem to last for years and years. I don’t think I’ve ever replaced the one in my lawnmower, circa 1992.

I replace plugs every season that the equipment is used. I didn’t replace the snow blower plug this year because only put ten hours on it. If I use the chain saws much, they get new plug, air filter, and gas filter. When you need your stuff is no time to try to deal with. Operating problems. Yea…

I had a bad experience with a supposed NGK ignition coil from Rock Auto. Completely faulty from the minute it was installed. Replaced it with the old unit and everything was fine.

In 2007 I bought a new Chinese Lifan motorcycle that came equipped with an NGK plug. One day when riding out in Hells Canyon I noticed the engine wouldn’t idle but still ran OK at higher RPM. I pulled the spark plug and there was no center electrode! I cut the plug open and found the resistor had tu…

[image] Hugemoth_144444: I believe it was a fake NGK plug. Did you compare the appearance of the brand lettering as painted on the plug’s ceramic? Did it look sort of like a dot-matrix printer was used?

No, didn’t make a close comparison between the two.

Faulty spark plugs

Maintenance/Repairs

davesmopar May 11, 2024, 11:21pm 5

There ya go sir…

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Faulty spark plugs

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