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Strage exhaust odour

Hi Guys. I have a Doosan Daewoo G25E-3 with a very strange exhaust odor. I thought maybe over fuel so I put a kit in the propane regulator and it only slightly helped. When the exhaust gets rely hot it has a strange odour. Is there a possibility the o2 sensor is causing this? Or is there some type of catalyst in that muffler that is breaking down???
  • Posted 10 May 2015 00:37
  • By chuck_c
  • joined 10 May'15 - 18 messages
  • British Columbia, Canada
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Showing items 1 - 4 of 4 results.
Thanks.
  • Posted 13 May 2015 12:31
  • By chuck_c
  • joined 10 May'15 - 18 messages
  • British Columbia, Canada
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yes there will be a cat in the exhaust, most likely the "smell" will be related to the cat and the richness of the fuel mixture.
  • Posted 10 May 2015 11:09
  • By edward_t
  • joined 5 Mar'08 - 2,334 messages
  • South Carolina, United States
"it's not rocket surgery"
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KN00222. 687 original Hrs. This unit is pristine. New plugs and Regulator Kit 5 days ago. Still has a very strange odour. I am wondering if there is some kind of catalytic convertor in that exhaust as I don't see a lot of Doosan/Daewoo stuff.
  • Posted 10 May 2015 09:17
  • By chuck_c
  • joined 10 May'15 - 18 messages
  • British Columbia, Canada
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serial number?
have you done a complete tune up?
how many hours on the motors and the current tune up.
  • Posted 10 May 2015 08:01
  • By edward_t
  • joined 5 Mar'08 - 2,334 messages
  • South Carolina, United States
"it's not rocket surgery"
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