I have a story to tell and a solution

I've had rough running and missing issues. I promptly started trying to find which coil was bad. It was number 1 easy. I figured if one is bad then the others might be also so I looked for the cheapest I could find… Amazingly I found some aftermarket ones for 23 dollars each. …. I'm sure you can guess my mistake there…. Put all six in… everything ran fine for a day or two… then number 1 failed again. So I called the company and they replaced the offending coil. Drove fine for another week and number 1 failed again…… except this time it manifested differently… I'd get 1 hard miss and the dash computer would re-set… bright pretty lights flashing like I'd turned the key on and off…. Everything reset and went fine… It got to doing it every few minutes…. I thought maybe I had a short in the wiring somewhere Traced wiring through the dash with pieces all over the ground for hours…. nothing wrong… that I could see put it all back together and no joy… Thought it might be the SRS air bag because a few weeks ago I had the steering wheel apart. Nothing there….. So I went back to the coil….. number 1 had shorted through the side of the black housing and was sparking to the metal on the engine. Replaced number 1 with an old original Lucas (thank god I saved them) and wow no more flashing dash lights…..

Moral of the story??!! DO NOT BUY THOSE CHEAP AFTERMARKET COILS… I've been running for a week now with the original lucas coil and it's fine. no more problems… running smooth… I know the coils are expensive… buy the good ones…..

 

The "Tokyo at night" craziness from the instrument cluster is (by now) a well known signal of coil failure. I never woulda thunk it until I read about it here a couple years ago.

This might be of interest. Misery loves company and all that.


https://www.jaguarforums.com/forum/x...0-coils-93966/


I wish I had the guts and budget to buy an actual Jaguar-boxed coil from an actual Jaguar dealer. I'd love to see what's inside the box. Last time I checked ( 2-3 years ago) they were almost $400 each.

Cheer
DD

 

On my mustang i had similar issue and I wasn't about to spend $300-$400 on 8 coil plugs so I decided to try these cheap china made products with "life time warranty" for $40 shipped and yes they worked for 3 days and it resolved my issue, but who's going to ship all 8 coil plugs back to China for $40 when it cost cheaper to buy it again.