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2
votes
2answers
67 views

Coil popped out of head

I've got a 1999 F250-SD XLT 4×4 that the coil just popped out of the head what would cause that? I've not done anything to it yet
3
votes
1answer
69 views

What is a vibrator on a Model T ignition coil for?

In this post here What vehicle does this ancient ignition coil fit? there is a device that is cited in @paulster2's response that is called a 'vibrator'. Here's the diagram from his answer where ...
5
votes
2answers
553 views

Honda CB400 Super-Four - Power Issue

I have a Honda CB400 Super-Four. My bike starts and rides but I can't get more than 5000rpm out of her. If I do then she floods and cuts out. Two of her exhaust pipes are cold and two are warm. ...
10
votes
3answers
2k views

Why the wasted spark in four-stroke motors?

This just came up in my curious mind. In a typical four-stroke engine with an even number of cylinders, spark plugs fire in pairs. This means there is a wasted spark as one cylinder is in exhaust, ...
1
vote
1answer
149 views

Cooling the ignition coil

I had an old 64 Fairlane that died in rush hour traffic one day. I called a buddy who worked near me-- he pulled up to the side of the road with a bag of ice, and held it to the ignition coil. The ...
3
votes
1answer
304 views

Engine Turns but won't start

It's an old Renault 4-cylinder carburetor engine in a boat. I don't know much about engines so let me know if I'm not including important information. The boat is old but new to me. I drove it for ...
3
votes
2answers
1k views

Do I have a bad ignition coil? Measurements inside

I'm troubleshooting what I believe is an engine misfire on my LS1 Chevy and want to rule out if I have bad ignition coils. In order to do this I took out the ignition coils and measured the ...
2
votes
2answers
1k views

Are ignition coils easy to replace on a BMW 318i 2.0L 2007 msport model?

They'll cost me £21.06 each. I watched a video on YouTube that showed a guy clipping of the engine cover and pulling out and plugging in the coils. I'm not 100% sure what BMW model this was but it ...
3
votes
2answers
153 views

2002 Saab 93 SE Ignition Coil - Fluid found inside, engine rumbling

I had a new coil installed 6 months ago in my 2002 Saab 93 SE and it has been running fine until the other day when the engine started rumbling quite violently. Took it to a garage and after they ...