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Gas smell

Tiny
JPUNISHMENT
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET COBALT
When I was changing my oil today I noticed it smelled like gas especially when I took out the oil filter any suggestion on what can cause and fix this thanks also Ive noticed the pipe just before the cat gets very hot and the piece just after the cat is slightly warm (touchable) just after driving could this mean my cat could be plugging up

thanks for help
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Monday, August 12th, 2019 AT 7:49 PM (Merged)
Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
No, what happens is all oil smells like gas after it has been run for a while because the engine burns the fuel. Now if the oil is way over full and it smells like gas you have a injector that is leaking which you can find by pulling a spark plug and checking the color. Black or wet is no good, replace the injector.

https://www.2carpros.com/articles/how-to-replace-a-fuel-injector

Please let us know if you need anything else to get the problem fixed.
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Monday, August 12th, 2019 AT 7:49 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2005 CHEVROLET COBALT
  • 4 CYL
  • FWD
  • MANUAL
  • 42,000 MILES
While I was changing my oil today I noticed it smelled like gas especially when I took out the oil filter. Any suggestion on what can cause and fix this? Also, I noticed the pipe just before the cat gets very hot and the piece just after the cat is slightly warm (touchable) just after driving could this mean my cat could be plugging up? Thanks for help
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Monday, August 12th, 2019 AT 7:49 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
The fuel in the oil and the temp difference in the exhaust pipes are good signs of a catalyst restriction.
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Monday, August 12th, 2019 AT 7:49 PM (Merged)

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