Common questions

What is the spark plug gap for 2013 Ford Focus?

What is the spark plug gap for 2013 Ford Focus?

The OEM spark plug gap is generally . 027-. 031 from the factory, and we recommend a gap of . 025-.

What should the spark plug gap be on a focus?

Right… i know this question has probably already been asked a thousand times and numerous different answers have been given, but what is the CORRECT spark plug gap to use on a Focus. Is 1.0mm right as my local ford garage state 1.3mm is what it should be, but the ngk’s in my 1.6 petrol focus are at 1.1mm.

What’s the best way to adjust a spark plug?

Use your spark plug gap tool to adjust the gap. Gently bend the ground electrode in to narrow the gap or bend it out to widen it. Be very careful when making adjustments. Don’t bend the electrode more than a few fractions of an inch. It is durable but isn’t designed to take a lot of pressure. Also, take care not to hit the center electrode.

What are the symptoms of a narrow spark plug?

The symptoms of narrow gap include a noticeable (continuous) cylinder miss, hard starting if all the plugs have narrow gaps, rough idle and engine hesitation. A spark plug that does not fire, resulting from a narrow gap, will appear black or wet when inspected. The black or wet appearance indicates unburned fuel.

How often should you change the spark plug gap?

The spark plug gap adjustment should not be changed more than 3 times and should not exceed .008″ in either direction. Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Also, the spark plug gap should never exceed .055″ unless pre-set by the manufacturer.

How big is the spark plug gap on a Ford Focus?

My local motor factors supplied me with NGK plugs gapped at 1.0mm, which seems to agree with every website I have checked that has a facility to look up the correct spark plugs for my car. However, the plugs I removed were gapped at 1.3mm and having spoken to a number of people this seems to be what Ford usually fit.

What’s the gap between spark plugs on a Ford Fiesta?

Asked at a Ford dealer and they say 0.9mm – 1mm. Can anyone confirm this? Also, do new spark plugs come with the correct gap already set? the plugs should already be preset but it is good to check they are all the same Thanks for the advice, however I’ve now heard of 3 different gaps to use ranging from 0.9mm to 1.3mm.

Where do I find the spark plug gap?

I had another look in the Haynes manual but still can’t find any information on the gap. The front sections are introduction followed by roadside repairs, however in the servicing specifications section it says “spark plugs – refer to Ford dealer or parts specialist”. The plugs are AYFS22CB.

Can a focus coil jump a big gap?

The stock focus coil is good but not good enough to get a spark to jump a large gap. Bigger gap=more spark=better combustion. However to big a gap and you’ll be misfiring like a blind gunman.

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Ruth Doyle