1995 Chevy Monte Carlo not sure whats wrong

Tiny
LSTHRASH
  • MEMBER
  • 1995 CHEVROLET MONTE CARLO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
I was going down the road and it felt as though it like was in neutral or something and I shifted into overdrive and then back to drive and it was the same. You push on the gas and it barely goes. The engine is running really rough and the brakes have went out. It is really hard to push on the brakes. Do you know what may be causing this?
Sunday, August 15th, 2010 AT 1:14 PM

2 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
If the problems are related, it could be restriced exhaust. This would cause rough/poor running, and possible hard pedal due to lack of vacuum to operate the brake booster. If you could remove the oxygen sensor before the catalytic converter, and run it, you may see the symptoms gone. If so, the catalytic converter needs replaced. Another way to condemn it is with a backpressure gauge, anything over 3 psi indicates restriction.
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Sunday, August 15th, 2010 AT 2:29 PM
Tiny
LSTHRASH
  • MEMBER
  • 2 POSTS
Thanks so much. I have since taken to the shop and they have told me the same thing.
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Friday, August 20th, 2010 AT 8:01 AM

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