1998 Pontiac Bonneville failed smog check

Tiny
JOSEMAGANA
  • MEMBER
  • 1998 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 138,000 MILES
What does bank 1 mean and where is it. Also do I need to replace the cataletic converter?
Sunday, February 1st, 2009 AT 6:51 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, bank 1 is the cylinder bank with the number one cylinder, on your vehicle it is the front bank of cylinders. Looking under the hood, they are numbered, from left to right, 1-3-5.
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Thursday, February 5th, 2009 AT 7:58 AM

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