Can ecm keep fuel pump from working?
Can ecm keep fuel pump from working?
Some electric fuel pumps are controlled by the ecm and most cars have eliminated this problem by having a switch that keeps the fuel pump shut off until the engine builds up oil pressure. If you have a car ecm with an electric fuel pump and you suspect fuel problems, do this.
How do you reset the ecm on a Chevy Silverado?
Remove the nut off the negative battery cable with a socket set or wrench. Slide the cable off of the battery and put it aside. Turn the headlight switch to the “on” position to drain the ecm of any remaining power. Wait at least 10 minutes, then turn it back to the “off” position.
Where is the power wire on a Chevy fuel pump?
Want to make sure its a 5.7L engine with the classic style truck and not the new style truck with the 6.0L Right? On the fuel pump connector, the gray wire is the power wire. The thick black wire is the ground.
How can I Fix my Chevy fuel pump?
Ask a Chevy Mechanic for Answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. My Chevy has no power to fuel pump. How can I fix it? no power to fuel pump… Submitted: 10 years ago. Category: Chevy
What makes up the relay for the fuel pump?
The engine module is what powers the relay for the pump. Check them with the key on. You can check fuses while they are in the fuse box. There are 2 metal tips on each fuse to touch with a test light or a volt meter. Check these and let me know.
What happens when the fuel pump goes out on a Chevy Silverado?
There are physical signs that you can feel when your Silverado’s fuel pump is going out. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. The engine may throw a P0087 trouble code. This trouble code detects that the fuel rail/system pressure is too low.
What does the ECM play in giving the fuel pump power to turn on?
What role does the ecm play in giving the fuel pump power to turn on? hear the fuel pump activate. jog the start position,should run 3 or4 seconds,or get under the hood turn key on and pull the relay jog it on off should feel it click and maby youll hear the pump,
When did the Chevy fuel pump come out?
It started on Chevrolet truck models from 1996 to 2003 model years, but has expanded to other models as the connector and pump assemblies are not aging well. In fact, I have a financially strapped friend with an 04 Silverado that now caries a heavy rubber mallet in the truck.
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.
