Gm fuel pump relay testing
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. … Web153 Likes, 11 Comments - Erik Sanchez (@rising_edge_diagnostics) on Instagram: "Chevy Tahoe towed in for crank no start. I took this over from another tech who was about 2 tests..." Erik Sanchez on Instagram: "Chevy Tahoe towed in for crank no start.
Gm fuel pump relay testing
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WebOct 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. … http://gmflash.com/fscm-diagnosis
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 … WebDec 12, 2009 · What triggers the fuel pump relay when the key is turned on to fire the 1990 chevy k1500 truck (5.0). Power at orange wire of fuel pump relay but pump won't run. …
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, … WebDec 11, 2015 · If it doesn't click, then remove the relay and test the terminals in the socket for voltage. One should be hot all the time from the ECM B fuse and then one additional …
WebDec 10, 2008 · 13,213 Posts. #2 · Dec 8, 2008. Take a 12V jumper wire with a 15 amp fuse in it and connect it to pin "G" in the OBD1 connector under the dash. You may need to unfasten the connector from its mount to read the lettered pin identification markings on it. MAKE SURE YOU GET THE CORRECT PIN WITH THE JUMPER WIRE.
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? … cws prolineWebCheck the fuel pump electrical circuit: In most older continuous-style fuel systems, the engine control module (ECM) controls the fuel pump via a relay. You’ll want to check that relay before condemning the fuel pump. In many newer, returnless fuel systems, the fuel pump control module (FPCM) directly controls the fuel pump. cheap hip hop sunglassesWebSep 9, 2015 · GM Fuel Pump Relay Testing Posted on Sep 09, 2015 Add Your Answer Video Photos Related Questions: helpful Fuel Shutoff Valve according to all the articles, however the switch operates the valve and the valve tells tales back to the ECM. You would need a pro grade scan tool computer to diagnose against known voltage values. cws properties limitedWebGM 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 … cwsp starsectorWebNov 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... cws projectionsWebWhen you replaced the fuel pump, fuel pump fuse, checked the wiring. There is one thing left to check cwsp securityWebFeb 21, 2024 · Fuel pumps function with the engine continuously, delivering high pressure to the injectors and fuel rails. Since the pump is always under the fuel, it works … cws properties austin