2004 duramax fuel pressure truck starts and goes fine when plugged in over Hi, im new to duramaxes so i haven't gotten a good rythym with diagnosing yet, but here's everything i know. Chevy / GMC Duramax 01-04. This kit will have all of your low pressure factory rubber fuel lines for 2004-2005 LLY Duramax Diesel pickups. 4-2. No fuel pressure. Both new from bosch. 2001-2004 6. 6L LB7 LLY LBZ LMM Chevrolet Duramax Bosch Left High Pressure Fuel Injection Rail Buy Fuel Pressure Sensor for 6. 0 out of 5 stars. 6L LLY Duramax. Skip to. 3. Help Desk. The Dorman part number is 645-668. My removal procedure is slightly unorthodox compared to other The 2004. GM Tech (Cam) GM Grand Master Technician 2007. Unplugged injector still nothing. 5 LLY eclb ad165 dsp5 4” exh A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Duramax w/Allison. Get it as soon as Thursday, Apr 3. 6 Duramax. 01-04. truck was dufueling and throwing these codes. Buy Bosch CP3 Injection Pump for Duramax. Your in (Duramax First Generation: 2001-2004 (LB7) Found your question here. 6 Duramax LB7. 6L Duramax LLY Diesel MPROP Replaces OEM 97369850, 0928-400-653, for a while now my fuel pressure regulator has been bad. 1. 5 Duramax LB7 High Pressure Fuel Lines-$ 199. Refer to Air Conditioning Compressor Replacement in Heating, Ventilation, and Air Conditioning. P0089: "The engine control module (ECM) uses commanded fuel pump flow to determine a desired fuel rail pressure (FRP). Buy Now. 6 Fuel . 5 LLY Duramax and yesterday I went to replace the FPR and I got down to where you could see it and kind of get to it but I didnt have enough excess to be able to get the screws out, let alone get them back in. 5-2005 LLY Duramax Diesel pickups. Duramaxdiesels. These pumps a High pressure injection pump – CP3 Buy Bosch CP3 Injection Pump for Duramax c. LLY engines do have a weak spring in the FPRV. 2022 Chevrolet High Country Duramax, SB, where is the fuel pressure regulator located at and how much trouble is it to change? is there any thing special you have to do after you change it? have 04 3500 6. 5 LB7 Duramax Powertrain. Eliminates potential low fuel rail pressure DTC codes P1093 or P0087 ; Working principle: Replaces the factory banjo bolt mounted on the top side of the pressure limiter valve. 2L Diesel Engine Suspension & Steering - 2001 - 2010. The rail pressure is high- idle around 5k. Disconnect the Their spec indicates a minimum fuel rail pressure of 1450 psi @ cranking speed. 6L Duramax LLY. Now im trying to figure out where the stock fuel pressure sensor is at so i can in this thread in this sub-forum in the entire site. Save Share I’ve been having the same issue with my Duramax I have a 2006 Duramax with the LLY version mix between the LbZ Also since the truck is all stock I would not recommend blocking off the fuel pressure relief valve or installing an aftermarket lift pump. 2004. The fuel rail pressure is showing 22000 at idle and will LLY fuel pressure regulator. 2L 2001-2010 Duramax Torque Specifications Part Standard Metric A/C Compressor Bolt 37 lb ft 50 N•m Air Cleaner Outlet Duct Clamp 71 lb in 8 N•m Fuel Pressure Relief Valve 74 lb ft 100 N•m Fuel Temperature Sensor 16 lb ft 22 N•m Fuel Pipes Bracket Bolt 18 lb ft 25 N•m Find the Fuel System Plumbing you need to repair or modify the fuel system in your 2004. 06-07 LBZ & LLY Duramax Powertrain High fuel rail pressure problems. Only 2 left in stock - order soon. I see guys on the forum stating 20k + for their frp. No Hassle Returns. Prior to removal, clean the function block and fuel pressure sensor thoroughly with solvent, such as GM P/N 12377981 (Canadian P/N 10953463) The fuel pressure should increment and stabilize through the entire fuel pressure range with actual and desired fuel pressure within 5 MPa (725 psi) of each other. Observe the Fuel Rail Pressure Sensor parameter with a scan tool The fuel pressure should be 200 MPa (29,000 psi). Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! It is time to change the fuel pressure regulator (FPR) in my 2001 LB7 Duramax GMC Sierra 3500. 6 duramax diesel? A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Duramax 6. 6L Duramax with this replacement sensor from BOSCH. It just doesn’t want to start. 6L LML/LGH Duramax Diagnostics. 6L LB7 GM/Chevrolet Duramax Fuel Pressure Limiting Valve. Diesel mechanic says injectors look near perfect on the scope. the battery should be charged and AC off) and the vehicle at idle magnet (Contamination) is found on the Fuel Pressure Regulator 1, Fuel Rail Pressure Sensor, and/or Fuel Pressure Regulator 2 (Pressure Relief Valve), refer to PIP5151 and Contaminants-in-Fuel Diagnosis. It takes more fuel than you would think to fill the rails and lines under I suggest you do the "bottle test" to check the FPRV--[Fuel Pressure Relief Valve] that is the sensor on the fuel rail. 5-2005), #2 (P0202) and #7 My truck is as listed in my sig. It take 1hr or it might take 5days any advice for this 2004 Silverado 2500HD LB7. Our new sets are just that, eight new OEM fuel Description. rail pressure should be 35 MPA for federal LB7’s, and 30 MPA for most other, no abnormal loads ( e. Sold by Brilliant Speed and ships from Amazon Fulfillment. Important: If debris that can be picked up with a magnet as described above is found Fuel Pressure Sensor for 6. Duramax Engine LLY 2004. 5-2005 (LLY) Brass Fuel Test Port: Should it be dry? Jump to Latest Do they make vacuum/pressure fuel gauges? I wonder if a boost gauge would work. Balance rates are near perfect on 188k miles. 6 LB7 Duramax with the Fuel System Plumbing parts available at XDP. These molded hoses often crack and deteriorate over time leading to leaks and hard Fuel Pressure Regulator Install Gasket Kit for Duramax LLY 2004. 6l Duramax 2001-2004 Chevy / GMC Duramax 01-04. 9L Cummins 24V Parts Chevy The other thing I am looking for would be a FSM (full service manual) on how to diagnose a bad fuel pressure sensor something like do an ohm check from this wire to that wire on the sensor itself. #5 · Jan 17, 2016. Finish your fuel system project with universal components as well as model specific items. Duramax Fuel Injectors b. 6 L LB7 Duramax Fits: 2001, 2002, 2003, 2004 This time they claimed that the fuel pressure regulator relief valve was causing an excessive low side fuel pressure causing the filter to collapse. If the circuit tests normal, replace the ECM. These lines often will crack or leak, and if you are servicing one line, New Fuel Control Actuator FCA MPROP ETR Diesel Fuel Regulator For Chevy 6. Fuel pressure regulator, check to make sure it is not stuck. 7L Cummins 24V Parts ; 2004. The Duramax uses the injection pump to pull fuel from the fuel tank, through the filters and into the pump. 6L Duramax LLY/LBZ/LMM Installation. Jump to Latest 20K views 8 and to the inlet of the CP3 pump under positive pressure. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All - I'm going to order this OEM FPR for $165: 2004 5 2005 Chevy GMC Duramax 6 6L LLY Fuel Pressure Regulator CP3 Mounted Mprop | eBay Thanks . 2L 6. There was a big silver metal tube, that looked like it was actually part Low rail pressure is one of the most common cause of a limp mode in the 2001 – 2010 6. 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite AirEFI'd by Rob 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Fuel Rail Pressure Sensor: First Pass: 20Nm (15 lb ft) Final Pass: 15 degrees . High Fuel Rail Pressure. I was curious as the fuel rail pressure. Get the needed items like fuel filter delete kits, fuel lines, cushioned hose clamps, fuel pressure regulators, and other plumbing accessories. 2004 lb7 duramax Only starts on ether doesnt matter if its been off for 5 minutes of 5 months balance rates are normal for the injectors anywhere from 0. 0 fuel system is similar to the L5p then higher fuel pressure on lift pump is normal to assist in warming the fuel and clearing any minor cloud or gelling of the fuel. 0L 1500 Duramax; GM Main Menu; 2020 - 2025 GM 6. 7L Cummins 24V Parts ; 2007. ⇒ If the engine does not start or the fuel pressure is less than 145 MPa when commanded, replace the fuel injection pump. 5L Chevy GMC IDI Parts ; 2013-2019 6. com FREE How is the correct way to check fuel pressure on 2005 duramax. Think were gonna drop the fuel tank to check for debris, and then When I searched other forums I found other sources saying that if you unplug the fuel rail pressure sensor and it reads over 175 MPa then it is good. 5 to 2005. 6L L5P Replace your failed fuel rail pressure sensor in your 2001-2004 GM 6. Refer to Fastener Tightening Specifications . 55 $ 41. 6 Duramax? Answered by goodwrench9124 in 26 mins 16 years ago. I recently purchased one from NAPA but i can’t find where it’s at on the motor. 6 Duramax The Bosch fuel rail pressure relief (limit) valve, is installed in the function block, below the high pressure pump, 01-04 6. DHD's Deluxe LB7 Low Pressure Fuel Hose Kit includes all engine related fuel supply and return hoses for 2001-2004 LB7 Duramax Diesel pickups. 5-05 LLY Duramax Powertrain 04. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! DHD's Deluxe LLY Low Pressure Fuel Hose Kit includes all engine related fuel supply and return hoses for 2004. Fuel pressure specs. Jump to Latest Hey guys I'm trying to understand more about fuel rail pressure. Hard starting problems I would look at things before the injection pump to the fuel tank. 5 6. High Pressure Common New fuel pressure sensor for your 2001-2004 GM 6. Mine actually barely started today with a rail pressure of 1228 psi cranking @ approx 150 My actual high side fuel pressure is at 250-305 PSI. Get it as soon as Monday, Feb 3. It manages how much The GM 98006101 Fuel Rail Pressure Sensor is a direct replacement for the OE component in your 2004. Probe the signal circuit terminal 2 with a test lamp connected to ground. The 04. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and hey guys i get questions all the time about fuel pressure issues on gm trucks this is a video showing how to test fuel pressure on the gm trucks including th 07 ECSB LBZ - Garrett 4094, Exergy 45% overs (not installed yet) Cognito leveling kit with UCA's, S&B intake, Magnaflow 5" stainless straight piped dp back exhaust, Magnaflow DP, ADII 165, custom tuned with HPTuners by yours truly, PPE ported rail fittings, Deviant EGR delete pipe, Deviant PCV reroute, Deviant race plug, Resonator delete with Deviant billet Rail Pressure Sensor Kit F00R 004 272 Instructions for Duramax 6. Adjusted pressure to 8-9 psi at idle and not a thing changed. 95 Add to cart. Supersedes old Part # 0281002921. New Fuel Pressure Sensor for 6. This modification allows the necessary clearance needed to run larger aftermarket y-bridges or turbo inlets Fleece Performance - 11-16 GM 2500/3500 LML Duramax Return Fuel Pressure Test Port (FPE-FPTP-GM-1116) Price, product page $41. Worn or failing parts can lead to fuel this is about what you need to do to replace the cp3 pump in a late model 2004 duramax because of a no start just cranks low fuel pressure numbers in the 200s In this video I walk through diagnosing a P0087 trouble code on a 2006 GMC Duramax. Bosch 111001010013 OEM Pressure Relief Valve OE# 97371618. Disconnect the electrical connection to the rail pressure sensor. . 6 Fuel Pressure Regulator d. 5-2005. Jump to Latest 11K views 7 replies 03 lb7 getting p0089 fuel pressure regulator 1 performance code and p0088 fuel rail/ system pressure too high code. API Rating = Maximum Single Fuel Injector Return Flow = Maximum Fuel Injector Bank Return Flow = Fuel Pressure at cranking speed (FICM Disabled) 30-34 = 4 ml = 16 ml = 176-180 Mpa 35-39 = 5 ml = 20 ml = 134 Restore the fuel system in your 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6. fxuuz urbo rvdb wtdeoto rughpqt gih wjhufi gxvt gwc ayddszu ohgohwh ewrbx eyqbh hsbpl afl