When was the last time my Chevy fuel pump failed?
The technical service bulletin that explains the cause of the repeat failure of the Chevy fuel pump replacement unit covers all years from 1996 to 2003 and includes all of the pickup trucks. Also included is the Tahoe and suburban and their GMC counterparts such as the Sierra and Envoy. Oh and don’t forget the Cadillac Escalade is also included.
Where is the connector on a Chevy fuel pump?
When you get the Delco replacement parts it comes with a new connector on the fuel pump side. The problem is the connector on the vehicle side of the harness. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly.
Is it easy to replace a fuel pump?
Replacement of the fuel pump is not a quick or easy job. This is because the pump is tank mounted and the fuel pump is replaced as a unit. The less gas in the tank the easier it is to deal with. The replacement parts for the job are also not inexpensive.
Can a fuel pump cause a no start condition?
CASE 1: If your fuel pressure gauge read 50 PSI or more as the engine cranked. This means that the fuel pump on your 4.3L, 5.0L, or 5.7L is OK and not the cause of your No Start Condition. The next step is to observe the fuel pressure gauge’s needle (after your helper stopped cranking the engine).
How does a GMC Sierra 1500 fuel pump work?
The older model has steel lines coming off of the top of the pump to the frame rail and then connects to the frame steel lines with short hoses, you’ll need line wrenches and the ability to curse. The newer style has plastic tubes from the plastic pump casing and uses those quick connect fuel fittings and you’ll need the disconnect tool.
What kind of fuel pump does a Chevy Silverado need?
It turned out the pump I put in was for a 96 C1500, which has a throttle body system and the pump only produced 20-30psi. The Fuel injection in the Silverado needs 55-65psi. Be very careful you didn’t put the wrong fuel pump in!!
What are the symptoms of a fuel pump relay problem?
1. Engine stalls One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls. If the fuel pump relay has an issue while the vehicle is operating it will cut off power to the fuel pump, which will cause the engine to stall.
How to replace a fuel pump in a 1995 GMC 5.7?
Replace a fuel pump in a 1995 GMC 5.7. – YouTube Replace a fuel pump in a 1995 GMC 5.7. If playback doesn’t begin shortly, try restarting your device.
The technical service bulletin that explains the cause of the repeat failure of the Chevy fuel pump replacement unit covers all years from 1996 to 2003 and includes all of the pickup trucks. Also included is the Tahoe and suburban and their GMC counterparts such as the Sierra and Envoy. Oh and don’t forget the Cadillac Escalade is also included.
Why does my GMC Sierra not get fuel?
Sep 22, at AM about the GMC Sierra K SLE 4WD the fuel pump is not getting juice to it. according to a wiring diagram it is the gray . Fuel delivery – I have a Chevy that will not get fuel.
Can a Chevy Suburban have no fuel pressure?
Mar 14, · The vehicle being tested is a Chevy Suburban with no fuel pressure. This truck had a new fuel pump installed and still did not have fuel pressure. Chevrolet Fuel Pump Failures Explained.
How to change a fuel filter on a 1990 Chevy?
How to Change a Fuel Filter on a 1990 to 2003 Chevy or GMC. – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.
How to Change a Fuel Filter on a 1990 to 2003 Chevy or GMC. – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.
Can a GMC Sierra run without a fuel pump?
Without gas your Sierra will not run at all. With that in mind, most of the symptoms of a bad fuel pump revolve around the vehicle stalling out or not running at all. In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s).
What to do if your fuel pump relay is failing?
If your vehicle is displaying any of the symptoms above, or you suspect that your fuel pump relay is having an an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the component should be replaced.
Why does my Delco fuel pump keep failing?
Oh and don’t forget the Cadillac Escalade is also included. 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. When you get the Delco replacement parts it comes with a new connector on the fuel pump side.
Replacement of the fuel pump is not a quick or easy job. This is because the pump is tank mounted and the fuel pump is replaced as a unit. The less gas in the tank the easier it is to deal with. The replacement parts for the job are also not inexpensive.
When you get the Delco replacement parts it comes with a new connector on the fuel pump side. The problem is the connector on the vehicle side of the harness. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly.
Oh and don’t forget the Cadillac Escalade is also included. 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. When you get the Delco replacement parts it comes with a new connector on the fuel pump side.
CASE 1: If your fuel pressure gauge read 50 PSI or more as the engine cranked. This means that the fuel pump on your 4.3L, 5.0L, or 5.7L is OK and not the cause of your No Start Condition. The next step is to observe the fuel pressure gauge’s needle (after your helper stopped cranking the engine).
How to check no fuel condition on GM 4.3L?
I’ve also included how to check a no fuel condition with starting fluid (although this is not the most effective way to test the fuel pump). It’s been my experience that misdiagnosing a bad fuel pump is a common occurrence on the 4.3L, 5.0L, 5.7L GM vehicles with the ‘Spider’ fuel injector assembly.
Why is my fuel pump relay not working?
1997 Chevy Express 2500 Van 155,000miles, Engine died in parking lot, we installed a new fuel pump, but noticed no power to Grey wire going to pump. Check the relay and it bench tests fine, however, no power is sensed at the proper terminal to turn on the relay.
How can I get a new fuel pump to run?
Cannot get new fuel pump to run. Relay will not energize and gray wire has no bat on it. If power is put to gray wire back at frame rail near pump it will run and engine will start. Had no ground to terminal 35 of relay. Replaced PCM and got ground. Still have no bat to terminal 35.
When do you replace the fuel pump harness?
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. More details about this are below, but you might want to download your Chevy manual to help.
What kind of fuel pump does a Nissan 720 have?
Dan has been an auto mechanic, truck driver, engineer, and many other things. This article is for owners of the 1981–1985 Datsun or Nissan 720 pickups with the electric fuel pump. On this page, you will learn how to go beyond the typical service manual fuel delivery problem diagnosis.
Can a fuel pump be replaced in a Toyota truck?
A fuel pump replacement for Toyota Pickup serves to protect against engine flooding, rough acceleration and diminished fuel efficiency. Trust AutoZone to get you the fuel pump replacement for Toyota Pickup and restore your truck’s peak performance.
Who is the only manufacturer of mechanical fuel pumps?
Airtex is the only automotive aftermarket manufacturer in the United States that designs and builds electrical AND mechanical fuel pumps for a full range of car, truck, fleet and specialty vehicles.
Where is the fuel pump relay located on a truck?
It is just visible above the kick panel in front of the door and will have the auto choke relay attached, and in automatic trucks, the fuel cut solenoid. The fuel pump relay itself has a 6-pin connector going into it. Those are six wires that you will not find on your wiring diagrams.
What kind of fuel pump does a 1981 Datsun have?
I have a 1981 Datsun and a 1984 Nissan and they both have this troublesome black box. Your repair guide not only ignores it, but it is conspicuously absent from the wiring diagrams, making diagnosing and repairing electric fuel pump problems virtually impossible.