Engine starts up and after 1-5 minutes the engine will stall
I have replace the fuel pump,Fuel filter, Coil Packs, Crank sensor, Idle Air Control,Wires,plugs,Altenator, Cut the cadillac converter off, Some one told me when you remove the oxygen sensor and leave it plugged in you should not have any more then 1 Psi thru sensor hole so I cut it off the converter and had the same stalled engine. The only thing that I can think of is the ECM? Where is it located? Will it cause this problem?
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Check the idle fuel pressure. Load the electrical with headlights and heater defrost etc and see if problem gets worse. Attempt again with all accessories off. Could be fuel pump is getting low voltage at idle or fuel pump is failing. Bad fuel pump would definitely be a problem high fuel demand. Check vacuum line between pressure regulator to intake manifold.
Check for a air leak in the intake manifold. Gasket/hose etc. The P0171/P0174 is an indication that not enough fuel or tow much air. You can sometimes hear the air leak during idle.
Best solution is to use a graphic capable scan tool and watch the fueling trim/idle.
SOUND LIKE FUEL FILTER STOPPED UP OR FUEL PUMP NOT WORKING.SOON AS CAR STALL OUT CHECK FUEL PRESSURE SHOULD BE 31 - 36 PSI. IF FUEL PUMP NOT WORKING CHECK FUEL PUMP FUSE AND RELAY. CODE SCAN LOOK FOR FAULTY PCM.BEFORE BUYING NEW FUEL PUMP.CODE SCAN ALSO FOR FAULTY EGR VALVE STUCK OPEN.LOOK FOR FAULTY IDLE AIR CONTROL VALVE.CAR LOSING IDLE CONTROL WILL SHUT OFF.
Flel regulator will only affect max fuel pressure only will not cause it to not start. try replacing fuel filter first if still does not get fuel then you need to see if it is fuel related or if you have a spark at the spark plugs, pull off a spark plug boot and put screw driver in it hold 1/4 inch away from bare metal and crank engine if you get a spark then it's fuel relateed if no fuel it can be the crank shaft sensor or the cam shaft sensor. let me know if it has fire.
Your going to have to drop the gas tank to get to the fuel pump, The crank sensor will give you a check engine light on or service engine light on. Good luck and hope this helps. You can go to Auto Zone and pick up the fuel pump and they will have the step by step instructions for you to replace the fuel pump,oh and replace the fuel filter again when you replace the pump. Good luck and hope this helps. The other cause of stalling is the MAP sensor may have gone bad, or the EGR valve may be stuck open from carbon build up, just remove it and clean it out with Carb cleaner. Good luck and hope this helps you get your car running 100% again. Keep me posted be glad to help you save some money.
Hi! You must be frustrated by now! your code is marking that the O2 sensor is bad in bank 1. Did you replace the O2 sensor that is located before the catalytic converter? The S10 has an O2 sensor specially made for that cat. its about 30$ That would explain for your blackened spark plugs; your pc on the car is asking for more fuel. GOOD LUCK!!
If the problem you are having after the engine warms up and you put the transmission in gear and it quits, unplug the torgue converter (overdrive). If the engine runs fine after this, then change your transmission fluid and hook the torgue converter back up and she will run like a champ. I had the same problem.