AWESOME HERALD MAN Posted July 26 Share Posted July 26 I've suddenly got this problem when the engine was running great like to Gaydon. I went to a garden centre about a mile and a half with no problems. On leaving the car park it stalled a couple of times then i turned into the road and the engine stopped again. It would start then after about 5 seconds it would stop. I had a look and could not see anything wrong, fuel in the tank and in the filter. A passing mechanic stopped and had a tinker but he couldn't sort it. Has anyone had this problem or can give me a starting place to sort it out. Quote Link to comment Share on other sites More sharing options...
Wendy Dawes Posted July 27 Share Posted July 27 (edited) Maybe coil has failed , or if you’re running on points , they may have closed or opened or the condenser failed, Maybe the fuel pump has silt in it or is weak it could be anything really but is either ignition or fuel, if you have fuel to the carb then it’s likely ignition Edited July 27 by Wendy Dawes Quote Link to comment Share on other sites More sharing options...
Clive Posted July 27 Share Posted July 27 I would be looking to the ignition. One (or even 4) of the cheap spark test thingies can be invaluable. then if no spark at the plugs, test the lead from the coil to dizzy. If a spark, the coil is Ok. You can then delve into the dizzy and see what is what. A very common issue are rotor arms, especially those with a rivet. Distributor doctor sells quality items, so worth a call. Check the cap for damage, and if on points the faces are good and correctly gapped. If the faces are poor, it may be the condensor (again, lots of poor ones out there, DD is the man) Or if electronic, it could be the module. The powerspark/accuspark ones can and do fail, often straight out of the box. Quote Link to comment Share on other sites More sharing options...
AWESOME HERALD MAN Posted July 27 Author Share Posted July 27 Thanks, I'll check those tomorrow. Quote Link to comment Share on other sites More sharing options...
AWESOME HERALD MAN Posted July 28 Author Share Posted July 28 I took the fuel pump off today. The filter inside had a little bit of black stuff on it so I cleaned that up. I checked the membrane and it was good, no splits, so I put that back. Tomorrow I'll check the electrics as best I can and hope cleaning and any adjustments will help. I've had problems with the carb' and its been rebuilt four times, the last by Dale and tuned up and she's been fine. I don't know if anything got in and is blocking a jet. It makes me think of buying a new one. Quote Link to comment Share on other sites More sharing options...
65redspit Posted July 29 Share Posted July 29 At the National Weekend I had misfire issues, that got progressively worse and it turned out to be not one but two coils failing... not totally but enough to make the spark weak... you might want to look at that Quote Link to comment Share on other sites More sharing options...
Clive Posted July 29 Share Posted July 29 1 hour ago, 65redspit said: At the National Weekend I had misfire issues, that got progressively worse and it turned out to be not one but two coils failing... not totally but enough to make the spark weak... you might want to look at that Oh good grief. What brand were they? I have a fear of new coils for this very reason, especially now Bosch have stopped producing their coils. I have just fitted my 30 year old Lucas sports coil to my Dolly, and I would like to find a reliable spare. Maybe just get another old one from an autojumble, they never used to be an issue. Quote Link to comment Share on other sites More sharing options...
65redspit Posted July 29 Share Posted July 29 3 hours ago, Clive said: Oh good grief. What brand were they? I have a fear of new coils for this very reason, especially now Bosch have stopped producing their coils. I have just fitted my 30 year old Lucas sports coil to my Dolly, and I would like to find a reliable spare. Maybe just get another old one from an autojumble, they never used to be an issue. It's not stamped on them but I got them from H&H Ignition so I had expected them to be of high quality... so much for carrying a spare !! Quote Link to comment Share on other sites More sharing options...
Clive Posted July 29 Share Posted July 29 1 hour ago, 65redspit said: It's not stamped on them but I got them from H&H Ignition so I had expected them to be of high quality... so much for carrying a spare !! Bad batch? Quote Link to comment Share on other sites More sharing options...
65redspit Posted July 29 Share Posted July 29 4 hours ago, Clive said: Bad batch? Seems very much so ... quite galling tbh, I pride my self in understanding and mitigating points of failure.... Quote Link to comment Share on other sites More sharing options...
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