Hi Keith, The failure we are discussing has always happened on the highway, with a fully warmed engine. Every time. FWIW, only about half of my commuting is highway. I had a coil fail in my baywindow camper on vacation back in 2006... It felt exactly like the problem I am seeing now. In that case it was a bit easier to diagnose since the ECU does not control the spark in an L-Jetronic engine. Another possibility that came up in P-mail discussion is the ignition switch; but I did not notice any of the switch-dependent accessories stutter during these incidents. Happy Trails, Greg Potts 1973/74/79 Westfakia "Bob the Tomato" 1987 Wolfsburg Weekender Hardtop www.busesofthecorn.com www.pottsfamily.ca Keith Hughes wrote: SNIP > Shorts in the coil > *usually* start causing problems when Hot, but not always. Since, > however, the coil heats and expands as you run the engine (flexing the > primary/secondary coils in the dielectric oil), you should notice a > difference in performance (either better or worse) the longer the engine > runs. |
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