Features: 0.6mm fine iridium centre electrode tip ensures high durability while providing a consistently stable spark. Zinc-chromate plating provides superior anti-corrosion and anti-seizing properties (do not apply thread lubricant - read installation section below). Improved acceleration and better fuel efficiency.

P0300 definition: Random, Multiple Misfire Detected. Issue Severity: SEVERE – Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine

I have 2000 focus wagon with 90 K miles zetec engine. It was running ok but sometimes it looked like out of gas when I was trying to accelerate. I replaced the spark plugs with the new ones (I found the old ones are so bad) and the engine is running rough idle after that. I replaced it with the same model that what I had before (also the same 2010 Ford Focus Ignition Coil. Each 2010 Ford Focus ignition coil transforms low battery voltage into thousands of volts to activate the spark plugs and start combustion. Rough idling, reduced MPG, and weakened acceleration are common signs of worn-out coils, and problems with these parts can cause a Check Engine Light or starting trouble too.
@HowIFixedIt How To Fix A Misfire On A Ford Focus. Misfiring Ford Focus. P0300 P0316 P0301 P0304. Check Engine Light diagnostic Ford Focus. #preventivemainte
Old plugs were not old..a few months. Tried in two cars now and both showed improvements. So try Denso iridium TT Spark Plugs IK16TT. These fit the duratec 1.6 and I left factory gapped. Cost a few bob (try the green spark plug company) but given the slight mpg increase I guess over the year they pay for themselves.

Well if you’ve ever owned a Ford then you may have had a spark plug blow out of it it is extremely common with these vehicles and I didn’t see any video of s

Ford resolved the issue in 2004 model year. 2005+ 3V heads use a two piece spark plug; the plug has a shield over the electrode that can become stuck in the cylinder head during removal due to carbon deposit build up. If that problem occurs, there is a specialty tool for removal that will be needed.

The 1,0 mm gap was only prescribed by Ford for a short period. The prescribed spark plug gap for the Sigma engine family was changed back to 1,3 mm after the coil pack problems were solved and a revised coil pack was introduced. Afterwards the prescribed spark plug gap for the Sigma engine family was changed to 1,2 mm. This was over 8 Years ago.

Tacoma, WA. The average price of a 2013 Ford Focus ST spark plug replacement can vary depending on location. Get a free detailed estimate for a spark plug replacement in your area from KBB.com.

Pricing for all 2014 Ford Focus Repairs & Services. The average price of a 2014 Ford Focus spark plug replacement can vary depending on location. Get a free detailed estimate for a spark plug

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    • ford focus spark plug problems