Gm fuel pump relay testing
WebNov 6, 2013 · When the key is turned to the Run position, the fuel pump will activate for two seconds, pressurizing the fuel rails and giving a reading of between 40 and 42 psi of pressure. The reading... WebHad no ground to terminal 35 of relay. Replaced PCM and got ground. Still have no bat to terminal 35. Have jumper-ed term 30 to 76 (wire that is supposed to run to fuel pump and pump is not energized). Checked …
Gm fuel pump relay testing
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WebMar 14, 2012 · GM Fuel Pump Relay Testing - YouTube 0:00 / 27:40 GM Fuel Pump Relay Testing ScannerDanner 369K subscribers Subscribe 1.6M views 10 years ago … WebApr 13, 2014 · 1993 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L). Fuel Pump Relay Diagnostic/Troubleshooting Notes: FP relay terminal A (ORG wire): Should have 10 to …
WebMar 19, 2024 · In addition, the fuel pump relay, is usually controlled by the ignition or powertrain control module (PCM). As a result, any faults with it, can cause fuel pump issues. Fuel Pump Relay In Fuse Box. Because, … WebSTEPS TO DIAGNOSE: 1. CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND) 2. CONNECT PIN32 (RD/WH BATT + ) TO PIN47 (GY FUEL PUMP 12+) THIS WILL POWER THE PUMP TO RUN AND CHECK FOR A FAULTY FUEL PUMP. 3. NEXT, CHECK FOR FUEL PUMP SIGNAL AT THE FUEL SYSTEM CONTROL MODULE. 4. …
WebDec 10, 2024 · Remove the fuel pump relay. Turn ON the ignition, with the engine OFF. Probe the control circuit of the fuel pump relay with a test lamp that is connected to a good ground. Refer to Probing Electrical Connectors . Command the fuel pump ON and OFF with a scan tool. Does the test lamp turn ON and OFF when commanded with a scan tool? … WebGM Fuel Pump Relay Testing The vehicle being tested is a 1999 Chevy Suburban with no fuel pressure. This truck had a new fuel pump installed and still did not have fuel …
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WebMay 12, 2009 · A fuel pump relay's job is to take some of the voltage load off of the wiring harness to allow a better current flow from the battery to the fuel pump. Determine whether a fuel pump relay... buy vmware workstation 10WebSep 12, 2012 · The fuel pump circuit must be energized to properly test it. Energize the fuel pump relay and power the fuel pump circuit. The majority of fuel pumps run for only a few seconds once the relay is energized (only long enough to prime the system) and until an RPM signal is generated. 4. If the negative circuit is in good condition, the voltage ... certified scrum master remote trainingWebNov 3, 2024 · Where To Buy The Fuel Pump Relay. TEST 1: Swapping Out The Fuel Pump Relay. TEST 2: Making Sure The Fuel Pump Relay … buy vmware workstation pro 17WebOct 25, 2024 · FUEL PRESSURE SPECIFICATION: The fuel pressure specification for the 1999-2006 4.8L, 5.3L, 6.0L Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) is 55 to 62 PSI. … buy vmware workstation computerWebThis test result confirms that the fuel pump relay is defective and needs to be. Source: jsmithmoore.com. 1999 chevrolet blazer all submodels all engines inlet, 3/8 in. * chevrolet blazer fuse box. ... Web 1999 chevy blazer s series fuel lines for 4.3l engines located from fuel filter to fuel tank. Web 1999 chevy blazer fuel pump wiring diagram ... certified scrum master training bay areaWebPart 1 1994 fuel pump circuit tests gm 4 3l. Start By Connecting Relay Pin 85 To The 12V Supply Line From The Stock Ecu You Severed. The fuel pump should run for 2 seconds and turn off until the truck is started. Fuel pump relay gets hot on a 1995 s10 blazer most likely a bad connector on relay or the fuel sock needs to be replaced. The wiring ... buy vmware thinappWebApr 11, 2014 · 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L). Fuel Pump Relay Diagnostic/Troubleshooting Notes: FP relay terminal A (ORG wire): Should have 10 to 12 Volts DC with Key On Engine Cranking or Key On Engine Running (KOER). This voltage comes from the GRY inline fusible link located in the engine compartment junction block. certified scrum master signature block