Hyster S55XM:
intermittant no start,turnes over,no spark,let sit then start.

we have replaced distributor,coil,spark plugs and revolution box. this unit has chevy engine. whats left other than wiring to cause this issue.
  • Posted 24 Nov 2010 03:04
  • Discussion started by jerry_c
  • California, United States
Showing items 1 - 6 of 6 results.
I know it's a late reply to your question, but I recently encountered the same problem with a clients S55XM Hyster with a GM 3.0L lpg engine.
Turns out the engines had a problem with braking the starter pinion or even the nose cone of the starter when the engine fired immediately when the operator began cranking over the engine, so they incorporated a start delay electronic module just to the left of the battery, it would randomly fail and then start working again,, we removed it and installed a 12 volt DC delay timer we purchased for around $25 bucks from Fact#rymation, set it for about a 3 to 5 second delay & have hade no problems since... Much cheaper than the $1000.00 OEM
Hope this helps someone somewhere....
  • Posted 10 Mar 2023 01:40
  • Reply by vibeguy
  • Tennessee, United States
Do it right the 1st time, and ya don't have a do over.
thank you for responding. we have checked wiring previously
  • Posted 25 Nov 2010 07:39
  • Reply by jerry_c
  • California, United States
Keyswitch and supply fuse, check input voltage to primary side of coil. if voltage is low trace it back to the poor connection. I had this happen wehere someone had replaced the fusible link on a truck with a 30A fuse and cheap holder, and corrosion on the output blade melted the fuse and holder so it only fed the coil intermittently.
Wiring is where I would have started, not ended... a distributor could have bought and paid for a nice FLUKE meter...
  • Posted 24 Nov 2010 14:41
  • Modified 24 Nov 2010 14:42 by poster
  • Reply by steponmebbbboom
  • Ontario, Canada
new lpg carb was installed also.
  • Posted 24 Nov 2010 06:25
  • Reply by jerry_c
  • California, United States
fuel supply is good. unit may run for 8 hrs. or 1.5 hrs. then quit
  • Posted 24 Nov 2010 03:25
  • Reply by jerry_c
  • California, United States
Check your fuel supply to carb
  • Posted 24 Nov 2010 03:08
  • Reply by Prentice
  • Ontario, Canada

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