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Buick
Regal
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0440
1998 Buick Regal code po440
1998 BUICK REGAL
168,000 MILES • 6 CYL • FWD • AUTOMATIC
LPUPPER47
MEMBER
1 POST
FOLLOW
i know it is a evap leak i just need vaccum diagram so i can trace the hoses.
Jun 6, 2010 at 9:58 AM
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MERLIN2021
CERTIFIED EXPERT
17,250 POSTS
Check the gas cap as a first step! This is all I could find, but the same diagram is under the hood, or should be!
Jun 6, 2010 at 10:24 AM