2003 Buick Regal EGR valve

2003 BUICK REGAL
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 9:51 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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ZACKMAN
  • CAR REPAIR CONTRIBUTOR
  • 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 18, 2009 at 2:56 AM
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