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No start!
#20
Im very much of the ECU and code-analysis DIY generation so problems like this really intrigue me!

If the exhaust is blocked, it should be pretty apparent on the restart as the car should struggle to even crank with the increased back pressure, shouldn't it?  10 seconds is a lot of gas volume so id be doubtful it would take that long for the engine to cut out.  Should be easy to see with a lack of visible vapour and exhaust pressure on startup?
  • Doesnt sound like a lack of fuel issue if it corrects after 30min.  To rule it out, try restarting it on carb cleaner.
  • Have you checked the bores immediately after it cuts out to see if there's any excessive fuel smell?  Maybe its flooding.
  • Do you manually set the timing before each startup?  Is the timing slipping from a loose dizzy?
  • You see a blue spark after, but it doesn't necessarily mean it can maintain it. Does the spark maintain its intensity after a long period of cranking for all 4 plugs?  Maybe the Coil is weak.
  • As others have said, the condenser/capacitor could be bad and this is only exhibited after it is used for a period.
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Messages In This Thread
No start! - by 12jslater - 25-05-2021, 07:39 PM
RE: No start! - by Colin Wilks - 25-05-2021, 08:33 PM
RE: No start! - by 12jslater - 25-05-2021, 08:41 PM
RE: No start! - by andrew34ruby - 25-05-2021, 08:55 PM
RE: No start! - by Robert Leigh - 25-05-2021, 09:44 PM
RE: No start! - by 12jslater - 25-05-2021, 09:50 PM
RE: No start! - by David Stepney - 25-05-2021, 10:08 PM
RE: No start! - by 12jslater - 25-05-2021, 10:19 PM
RE: No start! - by Howard Wright - 26-05-2021, 07:37 AM
RE: No start! - by 12jslater - 26-05-2021, 07:59 AM
RE: No start! - by John Cornforth - 26-05-2021, 08:08 AM
RE: No start! - by Colin Wilks - 26-05-2021, 08:16 AM
RE: No start! - by Duncan Grimmond - 26-05-2021, 08:27 AM
RE: No start! - by andrew34ruby - 26-05-2021, 08:27 AM
RE: No start! - by 12jslater - 26-05-2021, 08:33 AM
RE: No start! - by Malcolm Parker - 26-05-2021, 08:57 AM
RE: No start! - by 12jslater - 26-05-2021, 09:04 AM
RE: No start! - by John Mason - 26-05-2021, 09:12 AM
RE: No start! - by Bob Olive - 26-05-2021, 10:22 AM
RE: No start! - by Eddamoo - 26-05-2021, 11:48 AM
RE: No start! - by 12jslater - 26-05-2021, 12:44 PM
RE: No start! - by jpsmit - 26-05-2021, 01:11 PM
RE: No start! - by Tony Griffiths - 26-05-2021, 01:32 PM
RE: No start! - by 12jslater - 26-05-2021, 04:09 PM
RE: No start! - by andrew34ruby - 26-05-2021, 04:37 PM
RE: No start! - by Duncan Grimmond - 26-05-2021, 06:07 PM
RE: No start! - by Andy Bennett - 26-05-2021, 06:17 PM
RE: No start! - by John Cornforth - 26-05-2021, 06:28 PM
RE: No start! - by 12jslater - 26-05-2021, 07:10 PM
RE: No start! - by Reckless Rat - 26-05-2021, 07:21 PM
RE: No start! - by 12jslater - 26-05-2021, 07:26 PM
RE: No start! - by Reckless Rat - 26-05-2021, 07:40 PM
RE: No start! - by David Stepney - 26-05-2021, 09:26 PM

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