Table of Contents
- 1 Where is the fuel tank pressure sensor located?
- 2 How do you know if your fuel pressure sensor is bad?
- 3 Where is the fuel pressure regulator located on a 5.3 Vortec?
- 4 Can you bypass a fuel pressure sensor?
- 5 Can I drive my car with a bad fuel pressure sensor?
- 6 How much does it cost to replace the fuel pressure sensor?
- 7 How long does it take to replace fuel pressure sensor?
Where is the fuel tank pressure sensor located?
The fuel tank pressure sensor is part of the fuel pump assembly and is mounted on top of the tank or inside the tank. It’s part of the evaporative emissions system (commonly referred to as “EVAP”) and reads pressure in the fuel system to detect evaporative leaks, such as a loose or faulty gas cap.
How do you know if your fuel pressure sensor is bad?
If the sensor itself is bad, there’s really only one thing that will happen. The check engine light will come on.
- Your check engine warning light comes on.
- Your fuel consumption increases noticeably.
- A loss of power and acceleration.
- Hard starting.
- Stalling.
- Black smoke coming out of tailpipe.
- Gasoline dripping from tailpipe.
Where is the fuel pressure regulator located on a 5.3 Vortec?
The fuel pressure regulator resides on the upper driver’s side portion of the engine, directly below the plastic intake manifold shroud (See Resources for example).
What happens when the fuel tank pressure sensor goes bad?
Common reasons for failure: Over time a faulty fuel tank pressure sensor will cause low fuel efficiency, trouble starting the vehicle and/or stalling, and eventually keep the vehicle from starting.
Can you drive with a bad fuel pressure sensor?
It’s going to be impossible to get your car to continue running for more than a few seconds at a time. Once you reach this point, you should not continue to drive your car around with a bad fuel rail pressure sensor in it.
Can you bypass a fuel pressure sensor?
You can plug and bypass the pressure sensor, but you will definitely have a check engine light on after the repair. The pressure sensor is there to determine that the fuel tank isn’t releasing fuel vapors in turn poluting the atmosphere (whoopdy doo.) You will be okay without it.
Can I drive my car with a bad fuel pressure sensor?
How much does it cost to replace the fuel pressure sensor?
Fuel Sensor Replacement Cost On average, expect to pay between $200 and $340 total for a fuel rail pressure sensor replacement. Parts alone will set you back about $60 to $100 and the labor cost to replace the sensor will cost between $140 and $240.
How much fuel pressure should a 5.3 Vortec have?
48 psi fuel pressure at idle.
How much does it cost to replace a fuel pressure sensor?
How long does it take to replace fuel pressure sensor?
A professional mechanic would require roughly 5 hours. (If just the regulator is replaced that takes about 1 hour).