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spark plug

  1. Focus ST Maintenance
    Hey guys, since my car hasn’t had it’s plugs changed in about 55,000kms i figured i would replace them just to be safe. So i picked up a set of factory spark plugs from Ford, but apparently i can’t adjust the gaps in case they’re not accurate!! Should i just put them in as they are, or adjust if...
  2. Focus ST Performance
    At 50k miles. I replaced the OEM spark plugs (that I believe were original) with the one-step colder NGK plugs, gapped to .025-.026. The motor seems to run smoothly, maybe more smoothly than before, but I notice that the throttle response doesn't feel the same. Power used to be pretty much...
  3. Focus ST Discussions
    I purchased a 2013 ST1 back in January of this year(2020). I’ve been chasing a few issues since I bought it. Car was purchased mostly stock minus wing risers and a CPE stage 2 RMM, and Cobb SSM delete. Also, has 2 catch cans installed by first owner. No intake, no exhaust. No AP. Car has a...
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