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Have a 93 LS 400 replace starter and battery. car wont start. gas not getting to the carborator ck fuel pump in trunk with a high voltage can here and see gas gush out up front. want to ck fuel relay but doesn't know where to look help
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Code 54 is fuel pump circuit, Low voltage,will cause car not to start. Wiring open circuit/short circuit to ground, fuel pump relay, engine oil pressure warning lamp switch
Code 33 is MAP sensor,voltage high, low vacuum indicated.
Wiring short circuit to positive, hose blocked/leaking, MAP sensor, ECM Check the attached links,
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." 1995 Oldsmobile Cutlass Ciera SL Fuel Pump Repair
run the fault codes
indicates a problem ambient or baro sensor that reports to the ecm so that it knows what fuel setting is required for starting and running the engine
nothing to do with the fuel pump
IF IT STARTS WITH STARTER FLUID OR EVEN IF YOU WERE TO BUT SOME GAS IN IT MEANS NO FUEL IS GETTING TO INTAKE IT COULD BE A CLOGGED FUEL FILTEROR SOME KIND OF PROBLEM WITH FUEL LINE BUT THE MOST LIKELY THING IS THE FUEL PUMPYOU CAN TRY TAKEING OFF THE FUEL LINE AT THE EASYEST PLACE YOU CAN FIND TURN THE KEYTOSTART FOR 2 OR 3 SECOUNDS SEE IF YOUR GETTING GAS COMEING OUT OF LINE IF NOT YOU NEED TO CHCCK TO SEE IF THERE IS POWER GOING TO THE PUMP CHECK FOR FUEL PUMP RELAYS OR RELAY MOST LIKELY IS THE PUMP IS BAD THERE A WARE PART AND NEED TO BE REPLACED EVERY 10 TO12 YEARS OR SO GOOD LUCK
check to see if you getting fuel ck fuses for elec fuel pump,ck fuel pressure with tester rented from auto zone or oreilleys,ck injectors with ohm metter unplug injector ck the injector for resistance should be 12 or ubove.utube has a detailed describtion for testing injectors GOOD LUCK
Next step is to get under the car and check the connections at the starter.. Do you have a 12 volt test light. If so probe the solenoid wire while someone hold the key in cranking position. If you have voltage there the starter died and needs to be replaced.
Always use jack stands while working under a jacked up car!!!
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