Questions & Answers for: Pontiac how can you tell if your fuel pump is bad

tell you where the parts are located on your car. Your problem could be faulty fuel injectors? One bad GM Maltec injector with a bad coil will short out a bank of 3 injectors, stalling the car like it

...tell you the fuel pressure spec, but what year is it 89 or 99? And what engine? check fuel pump relay and see if it is clicking ,if so you will have to replace the fuel pump. When you run out o gas ...

...fuel filters on thinking that may be the problem. With the pump before this, my car would run til the motor got hot & then would cut off & not crank until the motor cooled. But now it's ...

tell if the fuel pump or the fuel relay are bad, just changed the filter car ran fine for a day. can't here the pump all the time, it seems to come and go.What do think? very good chance the fuel pump

... find gas tank ,, lay on ground and with a rubber mallet light tap tank in midddle while some one starts car possible bad fuel pump ,,, it sounds like your fuel pump is going bad may need to replace ...

...tell that fuel pump is working Sometimes you can tell that fuel pump is working just by turning key to on position. Changed the pump relay sometimes works . What is possibility that ignition switch ...

tell if the fuel pump is bad Most will tell you to listen to it hum when you 1st turn the key to ON (not starting) but if you are having other issues it will not prime and hum at all. If the computer,

...fuel pump! GM fuel pumps are really easy to diagnose. Back at the fuel tank you will see a harness that goes to the fuel pump. There will be two grey wires, one black, and one purple wire. The larger ...

fuel pressure. Second possibility is that the vehicle is running HOTTER (engine coolant) causing the engine performance to suffer. Knowing what code or codes that are being set will show exactly where

...fuel gauge goes up and down it's hard to tell how much gas that I have.What is the problem? fuel gauge sender unit faulty, or bad connections to it or faulty fuel gauge as a last resort. Check the ...