Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
What could cause an ignition coil to fry instantly?
(1994 Civic EX D16Z6 - Vtec & 1997 Civic DX D16Y7 - nonVtec)
(I know the nonVtec & Vtec distributors are diff, But the coils are the same exact part number.)
We have tried 2 brand new coils, and a few used on the 97, none of them worked. Tried the 94's coil on the 97, It worked. Well eventually the 97 stopped working along with the 93. Like the 97 fried all the coils in the process. Thus, one of the fried coils, fried something else?
Once my car(94 EX) started doing what my GF's car was doing to the coils. I figured it was a distributor. Replaced the distributor in my car & at the first roll over, I got about 2 fires, then its stopped. Fried Coil.
Does anyone know what this could be? Ever had it happen to them? Or have a blueprint/diagram of the Distributors wiring harness? I am willing to test a few things, but I don't want to trace wires through out the entire car.
1 Answer
- 1 decade agoFavorite Answer
Locate the ECU. Normally on passenger foot well. (Right hand driven civics)
Pull it out. Undo ECU covers. Have a good look at the circuit board. I'm sure that you will find overheated IC modules(heat bubbles on the surface)
If so replace the ECU
This happened to me once. Fiddled around many times with different distributors, relays, etc...
ECU was the deal. Also don't use a fried distributor with the new/second hand ECU your gonna put in.
The distributor got a built in module which acts like a crank angle sensor which could very well burn the new ECU by sending a spark back. I personally suggest you replace both ECU and distributor.
Source(s): Auto tech