1998 Pontiac Bonneville failed smog check

1998 PONTIAC BONNEVILLE
138,000 MILES • 6 CYL • FWD • AUTOMATIC
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JOSEMAGANA
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  • 1 POST
what does bank 1 mean and where is it. also do i need to replace the cataletic converter?
Feb 1, 2009 at 6:51 PM
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JDL
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  • 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.
Feb 5, 2009 at 7:58 AM