1993 Buick Century O2 sensors

1993 BUICK CENTURY
120,000 MILES • 3.3L • 6 CYL • FWD • AUTOMATIC
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BRUCE PATTON
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  • 1 POST
My trouble code44 ... Lean exhaust..
I just want to begin a proçess of elimination but with educated and informed guesses. Any other tips?
Jul 27, 2015 at 12:25 PM
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HMAC300
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check fuel pressure with a gauge 41-47 psi auto parts rent it.
Jul 28, 2015 at 6:19 AM