Ignition coil went bad.
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Senior User
Joined: Dec 2010
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From: Galvin, WA
Ignition coil went bad.
so i was driving to work today (Fort Lewis). i live 25 miles away. my truck was driving GREAT the whole way. i was about 4 blocks from my company and the truck just died. well i tried to get a jump, that didnt work. after i got a tow to my company parking lot i started working on it.
well after a few checks i tested the coil, nothing was happening. its about a month old. i still had the original coil that is about 25 years old in the truck so i put it on and it fired right up.
my question is, do coils go out often? i dont have a voltmeter yet to see if for some reason my system is putting to put power to the coil. anyone have any input i would appreciate it. thanks.
well after a few checks i tested the coil, nothing was happening. its about a month old. i still had the original coil that is about 25 years old in the truck so i put it on and it fired right up.
my question is, do coils go out often? i dont have a voltmeter yet to see if for some reason my system is putting to put power to the coil. anyone have any input i would appreciate it. thanks.
Posting Guru
Joined: Jun 2009
Posts: 1,509
Likes: 1
From: Wagener, SC
Don't know how to answer your question, but I just wanted to share my coil with you.
I replaced this today...look at the post. Literally, almost half of the post is burnt off. I replaced it with a MSD Street Fire coil, and added a set of Taylor Spiral-Pro wires.
Needless to say, it runs just a little bit better.
I guess they go bad just like anything else. Nothing lasts forever, right?
I replaced this today...look at the post. Literally, almost half of the post is burnt off. I replaced it with a MSD Street Fire coil, and added a set of Taylor Spiral-Pro wires.
Needless to say, it runs just a little bit better.
I guess they go bad just like anything else. Nothing lasts forever, right?
Cargo Master
Joined: Nov 2010
Posts: 3,244
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I think if you go with a modern coil then its best to use something like ACCELL or MSD. However, the best option that I am looking at is going with an HEI dizzy which from my understanding is like $200-$300 bucks but with that you don't need a coil, ds2 box etc. Which may be a very awesome thing indeed.
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Senior User
Joined: Dec 2010
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From: Galvin, WA
the coil i had on and went bad was an Accell. i still have another one but im going to hold off and see if the one thats on the truck now goes out. i was just curious if this has happened to anyone else. just seems weird a performance coil would die so quickly and the 25 year old coil that looks like it has an inch of rust around it is still running strong lol.
Cargo Master
Joined: Nov 2010
Posts: 3,244
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Hahah that is largely the problem. Higher performance=less longevity. Generally speaking of course. I'm running an Accel myself no problems but I plan to go HEI as I am buying a Holley Truck Avenger EFI setup.
Mountain Pass
Joined: Jul 2010
Posts: 105
Likes: 1
From: Honolulu, HI
I got the Accel ignition module and the matching coil. The ignition module didn't make it to 500 miles before it quit. I replace it with a motorcraft replacement I got a few years ago and went ahead and got a new motorcraft coil since the last coil (an MSD coil) died taking the module and stator with it...
Cargo Master
Joined: Nov 2010
Posts: 3,244
Likes: 40
Sc, your MSD went out too thats wild? Side note, i noted your rig has 230k miles did you do an engine flush any time in there? I figured it may have contributed to the longevity.
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Senior User
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From: Galvin, WA
hmmm.... well the spare Accel coil i have now came off my 81 f100 with a 302. and i ran great for years. oh well, it doesnt really matter to me if i used a high performance one or not. all i want is the truck to run great and not break down on me again lol.
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Mountain Pass
Joined: Jul 2010
Posts: 105
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From: Honolulu, HI
I am running 20% MMO in it right now to clean any oil residue over the last 25+ years...
Senior User
Joined: Dec 2010
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From: Harrisburg, PA.
I flushed two engines during my lifetime and within a month both had a rod bearing go out. I don't know if it was just a coincidence or what but I will never try it again. I believe if you keep your oil clean you don't need to flush an engine.
Post Fiend
Joined: Nov 2005
Posts: 7,437
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From: Charles Town, W bygod Va
I think if you go with a modern coil then its best to use something like ACCELL or MSD. However, the best option that I am looking at is going with an HEI dizzy which from my understanding is like $200-$300 bucks but with that you don't need a coil, ds2 box etc. Which may be a very awesome thing indeed.
FTE Legend
Joined: Jun 2004
Posts: 31,948
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From: Upstate NY
I would agree that the best course of action is to keep an engine clean with regular oil changes and not try to make up for things by flushing.
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