Questions tagged [coil-on-plug]
10 questions
9
votes
1 answer
Do these coil on plug waveforms suggest I have a bad engine controller?
I have a missfire on cylinder 3. I have swapped the coil from cylinder 6 and 3, but the missfire remains on cylinder 3.
I have also done the following:
- replaced all spark plugs.
- checked the wiring harness resistance all the way back to the…
Rick Gostlin
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6
votes
4 answers
Can I put a coil-on-plug system in any car?
Could I put a coil-on-plug (direct ignition) system in, let's say, a 1968 Ford Mustang GT? How much would I have to change? Could I add this setup to any gasoline engine?
LostPecti
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5
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2 answers
What are the benefits of direct ignition (coil on plug) system?
Most recent gasoline cars have a direct ignition, also called coil on plug, system where each spark plug has its own ignition coil. Before that, cars used a common ignition coil for all cylinders.
What are the benefits of such a direct ignition…
juhist
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4
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2 answers
How do I remove all this silicone on my used vehicle?
3 weeks ago I bought a used 2009 Camry le last week the engine light came on and the reading said change ignition coils and spark plugs im pretty handy watched a video and ordered the plugs and coils when I removed the cover my mouth dropped the are…
Ava
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4
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1 answer
Coil On Plug, Testing The Primary Coil
Are there any alternatives for scoping the primary coil on a COP system other than using a low amp probe? I'm guessing backprobing doesn't work since the ignition control module is built into the coil and it receives a digital signal. Am I stuck…
Ben
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3
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1 answer
How difficult would it be to swap out my regular spark plug with a Coil on plug or coil near plug?
I want to take my 1960 mustang and add a Coil on plug for a fun little project.. how much work do you think it will be? First time doing this so I want to know how will I go about doing it?
LostPecti
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How to electrically test Diamond FK0140 coil packs?
I have rust on my Subaru's coil on plug packs so thought to test resistance of the primary and secondary windings for all 6 coils to check for any inconsistencies. These are the Diamond FK0140 with a 3-pin connector.
The car drives OK, feels like…
ajayel
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vote
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Can ignition coil over plug fail intermittently?
I'm getting P0352 on my '08 Toyota Sienna. Even after the dash lights up, the vehicle runs perfectly smoothly with no indication of ongoing failure (e.g., idle smooth, acceleration normal).
If I clear the code everything will be fine, usually until…
Paul
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0
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Cool pack failure, no response from accel
I had the front differential changed at Big o tires and got it back running like crap, the throttle body light is on now ( lightning symbol ) so we changed the throttle body and the accelerator and its still running the same, idling high and the…
0
votes
1 answer
Engine grease fell into combustion chamber
I was changing a spark plug out on a 2000 Ford Expedition with a 5.4L Triton, with the coils on the plugs (COP), and I'm worried about how dirty it was. I was being as careful as possible, but I know a little bit of dry grease fell into the…
Mustangguy809
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