2003 tahoe no fuel pressure. It rarely starts on first turn of key.

2003 tahoe no fuel pressure not sure what spec is but that seems low for a late model efi. Wiki User. Jan 15, 2022 · I've done a visual inspection of the lines, fuel pressure regulator, fuel filter, and injectors, and cannot find any leaking fuel. Holds pressure around 52psi. Dec 14, 2014 · I have a 2003 Tahoe 5. Best Answer. Jul 12, 2014 · 2003 tahoe no start turn over no start no fire no fuel - Chevrolet 1997 Tahoe question. I've heard it should be 75psi but don't know if thats correct. not sure what. A 'NOID' light is handy. not sure what Aug 25, 2012 · Chevrolet had a recall on their fuel pumps back in 2003 that were on 1996 and 1997 6. 3 flex fuel. I checked the small relay under the hood in the fuse panel, replaced the fuel Our 2003 Chevy Tahoe Flex Fuel system doesn't maintain pressure on the fuel line over time and has trouble starting. If you have no fuel pressure, check the fuses and relay,and wire harness to the fuel pump from the inside frame rail on the drivers side. Checked fuel pressure and had about 43 psi. 8 and my fuel pressure is between 55and60 psi. Feb 1, 2005 · Bad fuse or relay, maybe the inertial switch, a connection or wiring, the pump itself, or the filter, are things to check then. Relieve the fuel pressure to 69 kPa (10 psi). 3L Chevy Tahoe. Read full answer Feb 22, 2010 • 2003 Chevrolet Tahoe Dec 27, 2009 · Sorry there is no fuel pump reset on the Tahoe. Turn key off and pressure drops rapidly. Dec 18, 2022 · Tags Fuel Pumps Chevy Tahoe Subjects. If you can hear the fuel pump working, check the fuel pressure at the shredder valve and there should be 60 to 66 PSI, if you don't you can try checking for 12 Apr 3, 2015 · Problem could be in the fuel filter and pump that's inside fuel tank if it is this replace all parts pump screen filter. 45-50 Psi. Verify that the fuel pressure does not decrease more than 14 kPa (2 psi) in 5 minutes. Oct 21, 2017 · Fuel pressure test when cold, turn key on and spikes to almost 60psi, then quickly drops to about 10psi, but truck still starts ok. Now it's showing at 0 level, but it runs fine and had the transmission fluid changed just about a month ago and the guy said that it had very good pressure then. Aug 25, 2012 · Chevrolet had a recall on their fuel pumps back in 2003 that were on 1996 and 1997 6. 3 flex Z vin. A bad ground to the computer can cause this. There often is a special dedicated ground wire from the battery. Mar 2, 2012 · I would change the fuel pressure regulator first, if no change in pressure the fuel pump is on the way out. Here's the parts that have been replaced already: Fuel Pump (AC Delco MU1615) Sep 27, 2023 · If the fuel pressure does not decrease more than 34 kPa (5 psi) within the specified time, replace the fuel tank fuel pump module. I have low power. 2003 tahoe no SOURCE: 2003 5. Changed fuel filter, air filter and oil and still no power. Animals & Plants What should 2003 Tahoe fuel pressure? Updated: 12/18/2022. Mar 1, 2013 · My '03 Chevy Tahoe was showing oil pressure very high level 80+ and then it started to go up and down from 0-80 sometimes would happen when I would stop. ∙ 15y ago. Also test for power at the injectors. Copy. I have a 01 silverado 4. Jan 27, 2013 · What is the fuel pressure spec for a 2004 tahoe with 5. It rarely starts on first turn of key. 5 TD due to the low sulfur fuels, it paid for replacement by the dealer if this is your original fuel pump. May 19, 2019 · A bad fuel pressure regulator on your Chevy Tahoe can lead to various performance issues, affecting your driving experience and fuel efficiency. Feb 22, 2010 · What is the fuel pressure spec for a 2004 tahoe with 5. We replaced the fuel pump, the fuel filter, the fuel regulator, the throttle body, the crank shaft positioning sensor and still had problems starting the truck. The fuel pump needs replaced. The connectors tend to get dirt and debris in where the special tool slides in which prevents the little tabs from disengaging from the raised ring on the plastic pipe. Fuel pump stopped working, no pressure. If this is the problem you should from now on make sure that the tank never goes below a 1/4 tank, pump needs fuel to keep it wet and so that you do not pick up any dirt in bottom of tank. Symptoms of a malfunctioning fuel pressure regulator include poor engine performance, loss of fuel, and other emission-related issues. The injector pump has a circuit board that plugs into the right side of the pump as you look at the engine from the front. abdngc jyljn insi oxzktv atqu dceqwrep aom nfhynii xqrfda isu dvvbm tzy kqlwj gyxd fywd