2003 Buick Rendezvous service light on

2003 BUICK RENDEZVOUS
70,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CSCOTT71
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  • 2 POSTS
yes i get it scaned and code po453 came up and i repaced pressure sensor in the tank and unhooked the battery and drove 20 miles and came back on
Jan 4, 2009 at 12:46 PM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Check volts at wiring. Should not exceed 4.9 volts or it will illuminate the engine light with p0453 code.


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Jan 4, 2009 at 12:53 PM
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CSCOTT71
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  • 2 POSTS
[quote="bluelightnin6"]Check volts at wiring. Should not exceed 4.9 volts or it will illuminate the engine light with p0453 code.


but if to high how do i fix
Jan 4, 2009 at 1:02 PM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
If volts are too high, you will need to replace the connectors on the wiring, or the wiring itself.
Jan 4, 2009 at 1:04 PM
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