2003 Buick Regal EGR valve

130,000 MILES • 6 CYL • FWD • AUTOMATIC
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COREY JONES
  • MEMBER
  • 1 POST
what happen if the EGR valve is bad
Jan 13, 2009 at 1:51 PM
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ZACKMAN
  • ✓Experienced Mechanic
  • 4,202 POSTS
You will have a rough idle, will use more gas than normal. You will have hard starting, especially in cold weather. And, eventually you won't be able to start the vehicle.

Not to mention that you are polluting the environment more than you should.
Jan 17, 2009 at 6:56 PM
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