Jun 22, 2015 · Step 4 – Install the new fuel pressure regulator. The new regulator should come with new O-rings and a new metal screen. Figure 6. New fuel pressure regulator. Push the new regulator into place, and make sure the vacuum line port is facing up. Re-install the regulator clamp. Then reattach the vacuum line to the port on the regulator. Figure 7 ...

Jul 23, 2013 · Good pressure is going to be in the mid to upper 50's with key on engine off. For plugs, most of the gasser guys I know run the NGK TR55's gapped to .055-.06, unless they are boosted, then they run TR6's gapped at .035.

Aug 21, 2009 · OK, I did the regulator, got the fuel pressure set at around 62psi, new fuel filter, new plugs and plug wires. Really made a huge difference on responsiveness and overall power. Only issue now is it recently started doing something strange under a load. Under full throttle load between 3-4k rpm I get a "popping" sound.

Sep 7, 2021 · I bought a used 2018 2500HD Duramax L5P and a week after owning got a reduced engine power warning and got it scanned and received the P0191 code and took it back to the dealership to address.

Sep 17, 2006 · The fuel pressure regulator is attached to you injection pump. 2006 Chevy 3500 SRW, 6-spd Allison, Crew cab, Long bed, LT, 5 inch MBRP exhaust,Edge Juice with Attitude, Michelin LTX M/S LT285/65R16. 1968 Chevy Chevelle Malibu, Small Block, 2&1/2'' flowmaster exhaust, 12-bolt rear w/4:11 gears,

Aug 11, 2007 · 1992 Chevy S-10 , extended cab, 2.8 ... I would rather drive with 20 psi fuel pressure than 0 psi or ...

Jan 16, 2013 · Two are available for the 5.3L; flex fuel and not a flex fuel. My ID has a 'T' and when you narrow the search to a 5.3L 'T', you get the part that I bought that doesn't look like an exact match of the original FPR. Choose the 'Z' / Flex Fuel version though and it looks exactly like mine... except I don't own a flex fuel version of the 5.3L.

Nov 9, 2009 · '04.5 Chevy Silverado 2500HD, Silver Birch/Black leather CrewCab LLY Duramax w/Allison, LT ShortBed 4X4, Banks Speed Loader (removed and back to stock). Cat delete MBRP 4"(now just MBRP 4" post cat due to smog rules), EGR plate (now removed) Fingerstick (now removed), 285 / 75 /16 tires on teflon AM Mojaves, Banks Ram Air Intake with non-oil ...

Jul 18, 2012 · A 'shark tooth' fluctuation in actual fuel rail pressure indicates a sticking pressure regulator. Set up the following Min/Max ranges for graphing the fuel rail pressure on the scan tool. Engine Speed Min/Max range is 0-1,000 RPM . Actual Fuel Rail Pressure Min/Max range is 1-160 MPa . Desired Fuel Rail Pressure Min/Max is 1-160 MPa . Start and ...

Dec 24, 2018 · The engine control module (ECM) controls the fuel pump pressures by using two fuel pressure regulators, fuel pressure regulator 1 is located on top of the fuel injection pump and fuel pressure regulator 2 is located on a fuel rail. The fuel pressure sensor provides a voltage signal to the ECM to indicated fuel rail pressures. High Pressure ...