Question about 2000 Oldsmobile Silhouette
New pump, relay in fuse block good. good fuse
First check there is battery voltage to the pump and the pump starts when the ignition is switched on , if not check fuse and relay, check wiring from relay to pump. If ok and the pump is working , check for fuel blockage from the tank inlet to the pump , some have a sock type filter in the tank pick up tube, if all ok remove the fuel filter , switch on and fuel should flow at the filter, fit a new filter, if still no fuel at the rail fit a fuel pressure gauge an check for low pressure , if ok, the fuel pressure regulator may be stuck causing a air lock replace it.
Posted on Jan 03, 2016
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Posted on Jan 02, 2017
Did you try checking or replacing the coolant sensor? I think you should replace it along with the thermostat. Are there any problems like sputtering or any unusual noises or symptoms? Smoke, anything?
Posted on May 06, 2009
SOURCE: Fuel pump relay
GM relays don't reset. My guess would be the electric fuel is not operating, For openers , I would start with the FUSE for the fuel pump. In a fuse panel UNDER THE HOOD. Should be marked. Probably a 30-40A maxi fuse. CHECK WITH A 12 VOLT TEST LIGHT. If that area passes all the tests, I would check for power to the fuel pump ( with the ign key on. 12 volt test light will go ON then OFF ) Could be a faulty fuel pump, Hope this helps
Posted on May 07, 2009
the fuse is marked ECM 1 or ECM 2 and is under the hood, as is the fuel pump relay, also these have fuel pump connector problems, did u carefully inspect the pins for heat damage?.
Posted on Jun 05, 2009
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