For additional information, see Fuel pump relay and Fuel module under fuel delivery. The Fuel pump harness connector pigtail repair kit comes with heat shrink connectors to protect the repair area. Shop online and pick up your new tank in a store today with Same Day Store Pickup. Pull out the relay and probe the relay socket with a voltmeter. The problem is the connector on the vehicle side of the harness. Spring tension maintains a constant fuel pressure to injector regardless of engine load. Get an oil pan and put it underneath the drain plug on the oil pan.
Gasoline is a petroleum product and lubricates the inside of the fuel pump, impeller and other moving parts. The pump does not send gas to the out to the injectors. The fuel pump is a vital element of your Chevy's internal combustion engine system. K1500 replacement fuel tanks are available at AutoZone, where we provide the right products at the right prices. I do not hear it running. . After removing the original from the vehicle and comparing to the new pump, it was noticed that there was a spring rod missing on the new one.
For the last step, just start the engine and wait about five seconds for the engine to circulate the oil and build up oil pressure, and then you are done. Find wiring diagrams and tech tips along with parts and labor estimates. Great fit, efficient performance, and robust style are the defining characteristics of Airtex's original equipment equivalent fuel pump. As a back-up system to fuel pump relay, the oil pressure switch also activates fuel pump. Check that the spark plug wires are securely fastened on both ends. The replacement parts for the job are also not inexpensive.
The oil pressure switch is normally open until oil pressure reaches approximately four psi. Merlin2021, I grounded the G contact at the test connector and the fuel relay would activate when the ignition switch was turned on. It sounds to me like your fuel pump needs to be replaced. This process leaves more room for error and is also a large cause of repeat failures. Make sure that all your ducks are in get my drift. I measured the fuel pump resistance from the connector that feeds the pump on the gray wire to ground and it is opened. Shop online, find the best price on the right product, and have it shipped right to your door.
Once the engine's position is correct, install the spark plug. Then, take a … punch and put a hole in the bottom of the oil filter and let that drain before you take it off. I just set mine to 0, but it doesn't seem to be running right. I have experienced repeat failures even when using the most expensive replacement Delco parts. A friend also mentioned cold weather having an impact, but not with fuel, right? You can look for more in the section. During periods of high manifold vacuum, regulator-to-fuel tank return orifice is fully open, keeping fuel pressure on the low side of its regulated range. Take the old oil filer off of there.
You can also find out more about the mechanics that built it and why they think that many people can fix their own vehicles with some quality. The video section of this auto repair website has received a lot of positive feedback. Alright, I have a question for you guys, I have a 1993 Chevrolet C3500. There will be several little ones. I ve replaced the fuel pump relay the fuel pump the oil pressure sensor the water pump the thermostat the temp sensor and replaced the carb with a different one and the pcm.
It will start for about five minutes then die and won t fire back up for a couple hours then do the same thing over again. Check the label on the insde of the door. The defective Chevy fuel pumps can cause a stalling condition or a no start situation that can leave you stranded. Will let you know the results. Take the injector out, dry it off with air, and intermittently apply 12 volts to one terminal while grounding the other.
Have you checked the fuel injector itself for an open winding or stuck valve plunger? Check the wiring to the relay and wrap or tape anything where bare wire may be exposed. I wish I had something more specific for you, sorry! When you buy the replacement parts from Delco, which is what I do for my customers and also recommend to driveway mechanics, they will sell you a complete tank module. Even on stock Chevy drivetrains. Same fit and the extra flow is tempered with the pressure regulator. I went through 2 pumps in 2 days.
Regulator keeps fuel available to injector s at a constant pressure. Replacement of the fuel pump is not a quick or easy job. Place the new gasket on the bottom of the engine where the oil pan goes. This has been engineered to fit your vehicle without modifications! The Chevrolet service bulletin states that the cause of the repeat failures is due to worn or damaged electrical connectors at the fuel pump assembly. It could be any number of things. Alright guys I have one for you! If anyone knows what that is, it would help us both out.
It s driving me nuts I can t figure it out! What should the resistance of the fuel pump be? I unfortunately didn't have the original out of the vehicle to compare it to. Includes Fuel Pump Module and Straps. If you have a fuel pump harness connector that looks like the flat one on the right or the square one at the bottom, then consider replacing it when replacing the pump. There should not be a steady 12 volts to the injector--if good injector, it would be spraying fuel steadily into the throttle body. But at least the engine should try to run if poorly.