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Fuel line challenges

Tiny
CIFINEDO
  • MEMBER
  • 2005 VOLVO XC90
  • 2.5L
  • 5 CYL
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
Car jerks and sometimes goes off. Cold start issues.
Error code p0087, p0089 and p0442 with fuel pressure at 165kpa.
Sunday, December 30th, 2018 AT 1:46 PM

2 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

I believe you have a weak/failing fuel pump or fuel regulator. Your readings are very low.The specifications for your vehicle is 375-395 Kpa. Here is a tutorial showing how to replace a fuel pump:

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

I've attached a picture below showing the fuel pump assembly.The assembly is mounted inside the fuel tank. Hope this helps and feel free to ask any questions if needed.Thanks for using 2CarPros.
Danny-
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Sunday, December 30th, 2018 AT 5:41 PM
Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
The fuel pressure sensor at the rail always go bad. If the pressure sensor reads different it will try to adjust the fuel pressure where it will lower it down and cause problems.
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Thursday, February 21st, 2019 AT 1:05 AM

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