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2003 Buick Rendezvous service light on

Tiny
CSCOTT71
  • MEMBER
  • 2003 BUICK RENDEZVOUS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
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
Sunday, January 4th, 2009 AT 8:46 PM

3 Replies

Tiny
BLUELIGHTNIN6
  • 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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Sunday, January 4th, 2009 AT 8:53 PM
Tiny
CSCOTT71
  • MEMBER
  • 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
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Sunday, January 4th, 2009 AT 9:02 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
If volts are too high, you will need to replace the connectors on the wiring, or the wiring itself.
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Sunday, January 4th, 2009 AT 9:04 PM

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