How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask CCTMSTR Your Own Question
CCTMSTR, GM Certified Master Technician
Category: Car
Satisfied Customers: 395
Experience:  GM Master Technician.ASE Master. Advanced Level L1.NV.State G2 Emission Inspector
Type Your Car Question Here...
CCTMSTR is online now
A new question is answered every 9 seconds

Fuel pressure regulator on my 2005 GMC SIERRA 5.3 engine.

Resolved Question:

Where is is the fuel pressure regulator on my 2005 GMC SIERRA 5.3 engine.
Submitted: 9 years ago.
Category: Car
Expert:  CCTMSTR replied 9 years ago.
The fuel pressure regulator is located on the fuel pump module assembly which is inside the fuel tank..The best way to diagnose your concern is to monitor the PCM data with a scan tool while driving the vehicle under the conditions that duplicate the engine miss.
CCTMSTR and 4 other Car Specialists are ready to help you