1997 Toyota Camry burned gas or exhaust smells from car hea

Tiny
JLADOR79
  • MEMBER
  • 1997 TOYOTA CAMRY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 170,000 MILES
Hi. I recently had my front catalytic converter pipe with flex replaced, prior to that I was driving this car for about three years with a bad front catalytic converter pipe with the flex part of the pipe completely shredded and not connected at the flex part of the pipe. Since the replacement i've been getting a burned gas or eshaust type smell from the heater. This smell is noticeable only when the car comes to a complete stop, but goes away when it starts moving again. I would also like to mention that the cars oxygen sensors are bad and my engine service light is on. I don't see any leaks in the exhaust system. Could bad oxygen sensors cause my problem? My engine was built with U.S. EPA and California emissions standards. If a engine is built to California emissions standards does that automatically mean I have to buy California ESV oxygen sensors.
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Thursday, February 18th, 2010 AT 4:02 PM

1 Reply

Tiny
JACK42
  • MEMBER
The sensors can make a difference in the mixture of the engine, especially if it is bad enough that the check engine light is on. Sometimes the new manifolds are coated to keep them from rusting, you may be smelling this coating burning off.
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Saturday, February 20th, 2010 AT 9:19 AM

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