What would cause fuel pressure to be only 35 to 40 psi on a 1993 cutlass ciera ? I replaced the fuel filter plugs wires and coil packs. I have the fuel tak down and the pump pulled right now, what im seeing is metal flakes and debris in the tank, how much damage would that cause and could it get to the fuel rail? would the fuel presser regulator be bad ? there is no CK engine light .CAN I PLEASE GET SOME HEKP HERE THANKS Mike
Hey Mike, I know this is hair pulling..You need to replace the fuel pump filter/strainer.. and maybe the fuel pump..the fuel pump determines how much pressure goes through the entire system ... BUT FIRST.. determine (if you can) where the metal flakes came from..(debris is probably from a gas station.. over the years.. I learned NOT to get gas right after heavy rains - guess why?) ,,do you still have the old fuel filter?? carefully cut it open and see whats inside.. (unroll the pleats) if you see a lot of metal flakes like in the tank,, you know they were caught..
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Fuel Pump Strainer
Fuel pump:
for a 2.2
Fuel Pump
For a 3.3
Fuel Pump
SOURCE: 1993 3.1 l Olds Cutlass Supreme runs rough, cruise sluggish, climate control...
sounds like you have a huge vacuum leak at the engine, check under the hood for a sucking noise, I think you will find one.
SOURCE: 95 Ciera Hesitates & stalls when warm
Change the IAC the idle air control. You may be able to clean it and put it back on.
SOURCE: 1993 Oldsmobile Cutlass Ciera S 6 Cyl 3300 Speed Problem
Yep...try replacing your coil pack....
SOURCE: Vehicle dies while driving down the road.
could it be the A/C pump kicking in. might be boging down the motor or electrical circuit, not letting the injectors get enough power. This could happen if the bearings are going bad in th A/C pump or there is a short in it. Just an idea. sounds like you have done the main components.
SOURCE: Fuel Pump Location
the fuel pump is located inside the fuel tank.On the ground the tank is really a job to replace, u must have the car at least 3 feet off the ground.
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