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Faulty fuel pressure regulator?

Tiny
ZETA78
  • MEMBER
  • 2005 FORD FOCUS
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 110,000 MILES
Hello, I get a code for fuel pressure regulator and coil 2 can't remember exactly but when I install a new fpr car doesn't start. So I put old back on it will start but smokes and runs rough for a few minutes. Then it settles down. But it shows the code still. But when I first put the new part on it ran but idled up and down and rough and the eventually it shut off.
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Monday, February 5th, 2024 AT 10:00 AM

9 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
This code comes up when the fuel rail pressure sensor goes out.

Here is a video to show you how to fix it:

https://youtu.be/A9dbXbydGro?si=cg-rBdZygmZMCkD2

Let us know if you need anything else.

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Monday, February 5th, 2024 AT 12:40 PM
Tiny
ZETA78
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  • 8 POSTS
I did change it, that's the problem when I put the new one on car stalls out but before it does the idle is up and down and rough.
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Monday, February 5th, 2024 AT 1:02 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
The new sensor sounds defective. Can I ask what brand the sensor is?
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Tuesday, February 6th, 2024 AT 9:39 AM
Tiny
ZETA78
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  • 8 POSTS
I don't know. It was given to me when I picked up the car. Now I blew into where the hose connects and air went through, on the old one it doesn't. If that means anything.
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Tuesday, February 6th, 2024 AT 10:36 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
Yep, the replacement part sounds bad. I would get a new part which should fix the problem.
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Tuesday, February 6th, 2024 AT 10:57 AM
Tiny
ZETA78
  • MEMBER
  • 8 POSTS
Sweet. I hope it is, thanks.
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Tuesday, February 6th, 2024 AT 11:29 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
You are welcome, please let me know how it goes.
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Thursday, February 8th, 2024 AT 8:32 AM
Tiny
ZETA78
  • MEMBER
  • 8 POSTS
It worked. But I got a p0182 code now. Does this car have a fuel temperature sensor? I can't find it. Parts stores don't have one either.
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Thursday, February 8th, 2024 AT 10:56 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,380 POSTS
The fuel temperature sensor is inside the fuel rail pressure sensor.
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Friday, February 9th, 2024 AT 9:10 AM

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