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1998 Toyota Camry exhaust fumes inside car

Tiny
NB3192
  • MEMBER
  • 1998 TOYOTA CAMRY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 139,000 MILES
My camry is starting to show multiple issues, but the first I need to address is a very strong exhaust smell inside vehicle. I have not bottomed out or anything like that. My computer codes were coming up with misfires and I have changed the front three plugs, wires and pcv valve. (Need more time to do the back three, which I am trying to find an alternative to having to remove the intake manifold to do so?) I am also getting a rough idle at slowing down feeling like it may stall but the computer does not show a code for egr valve. A few times the check engine light was blinking on and off while I was driving. Could you please let me know what I can check to get rid of the exhaust fumes inside my vehicle and correct these situations? Thank you!
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Wednesday, February 10th, 2010 AT 7:35 AM

6 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
The excessive exhaust smell can be caused by misfires in the engine as well as the other things you described. Time to do those back 3 plugs.I know they are a bear, but you need to get the basic stuff done before going after any other problems
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Wednesday, February 10th, 2010 AT 8:13 AM
Tiny
NB3192
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  • 4 POSTS
Thank you for such a quick reply. Is there any other alternative, (ie: swivel head socket, certain length extension drive) to get those back three plugs out besides taking off the intake mainfold? Any tricks you have learned in your experience?
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Wednesday, February 10th, 2010 AT 1:39 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Universal plug socket, 3" extension and a 6" extension should be the combo to do that. I cant rememeber exactly or maybe my mind shut it out. Lol
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Wednesday, February 10th, 2010 AT 2:56 PM
Tiny
NB3192
  • MEMBER
  • 4 POSTS
Thanks. Once the snow stops around here I'll give it a try. Thanks again and if the fumes continue I'll be in touch!
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Wednesday, February 10th, 2010 AT 3:10 PM
Tiny
NB3192
  • MEMBER
  • 4 POSTS
Okay, I did those back three plugs, changed air filter and cleaned throttle body. Computer gave code that car was now running too lean. Cleared computer by disconnecting battery cables for a bit. Drove it around and light came back on and exhaust fumes started up again inside car. The car also started to show hesitation when attempting to accelerate and roughness in idle but the stalling at braking is no longer present. What do you reccommend next to stop the fumes inside car?
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Friday, February 19th, 2010 AT 10:58 AM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
If there are no holes in the exhaust system, the engine will have to be running on all cylinders to stop the excessive exhaust. If it is still rough at idle and giving a lean code, look for vacuum leaks or vacuum lines that may have fallen off during the work.
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Friday, February 19th, 2010 AT 11:42 AM

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