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2002 Buick Lesabre 2002 Buick Lasabre fuel pump

Tiny
GREENIE5
  • MEMBER
  • 2002 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 107,000 MILES
What should the fuel pressue be? And will a fuel pressure reading of 43 psi to 49 psi cause a MAF sensor code
Saturday, April 4th, 2009 AT 11:50 AM

2 Replies

Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS
Hello,

If that is your fuel pressure it is fine. If you are getting a MAF code first thing to do is to get some MAF Cleaner and clean it. About 7 out of 10 times it just needs to be cleaned.

Check out the following link for more info on how the MAF works....

https://www.2carpros.com/how_does_it_work/mass_air_flow_sensor.htm

.

.
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Saturday, April 4th, 2009 AT 12:20 PM
Tiny
GREENIE5
  • MEMBER
  • 4 POSTS
Unhooked MAF sensor and now the car runs great. Thanks
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Saturday, April 4th, 2009 AT 3:40 PM

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