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One for you, Danny or anyone else with knowledge of the EDIS  / Magajolt Lite . My Megajolt Lite EDIS has been working very well until this year coming back up to Carlisle from Florida. The symptom can vary from a quick burp to a complete shutdown for up to six or eight seconds. It is a complete electrical collapse. It is not fuel related, it is fully a complete electrical ignition collapse. Recovery is instant in a quick burp situation and in a more tortuous six or eight collapse like on the way up to Carlisle, standard recovery was to ignore it and sweat or turn off the key and restart. Restart has always worked.

 

Yesterday I put about 60 miles on the car and it burped at about 16, 30 and 40 miles. Just a quick burp. Today...five miles, 10 miles and then all fine for about

40 miles total. No long collapses.

 

I did change out the module in Virginia on the way up to Carlisle. I've rattled wires with the engine running in a parked position and have not managed to make the engine burp or stop hoping to find a loose wire. I changed out the crank pickup before we left home for the trip. The coil is a used one that came with the engine with unknown hours on it. I have a spare but have not swapped them out. All wires into and out of the Megajolt appear to have solid connections. Ignition switch wires appear well connected.

 

Any ideas would be very much appreciated. I don't like electrical problems and electricity knows this.

 

I haven't contacted the Megajolt supplier to ask if this symptom has ever come up before.

 

Thanks....

David Stroud

 '92 IM Roadster D 2.3 L Air Cooled

Ottawa, Canada

 

Last edited by David Stroud IM Roadster D
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Got the coil swapped out today and put on about 45 miles. All good for the first 25 miles or so. Same symptom. Quick burp, tach drops and spools right back up with engine running smoothly.

 

I checked my VR air gap when I got back and it's only at about .016". Online research shows anywhere from.025" to .080". Megajolt says no more than .039". Could a tight gap trip things up ? Danny...what gap do you use pls.  ?

 

My shielding looks ok and is well grounded. Thanks...

 

 

Last edited by David Stroud IM Roadster D

Thanks for the ideas, Lads. I may have found the problem and if I did, I should arrange to kick myself in the nuts. I opened the air gap to the VR sensor to .040" and have put about 140 miles on it with no burp, just runs fine. I'm relieved but pissed at myself. Why or how it had only .016" I don't know. I installed it last Spring before the Carlisle trip. I don't think it slipped because I had to wrench it pretty hard to adjust it the other day. Dunno...but fingers crossed.

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