My 2001 Chrysler 300 M frequently stalls on decel when approaching intersection. It idles fluctuates up and down then the oil light flashes and then stays on, sometimes the car stalls out at a light?
Also, there is knocking with idle and at low speeds?
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No to the high octane gas. Regular gas is fine. Higher octane gas is more resistant to ignition and is better suited for high compression engines to prevent preignition and detonation. Check or replace your idle air control valve since the car stall at idle when the throttle blade is closed. If the IAC is not working it won't allow for air to bypass the throttle plate. Also have your throttle body cleaned.
There's a possibility that the ECT (engine coolant temp.) sensor isn't working the way it's supposed to. The engine may be at operating temp but the sensor may be telling the engine computer it's cold still and it'll act like an automatic choke on a carb. engine.
is commonly caused by a dirty automatic idle speed control valve and
throttle valve. Buy a can of throttle valve cleaner (do not use
carburetor spray cleaner!) from NAPA or Carquest (made by CRC
chemicals) and spray it into the air intake while the engine is
running, use up about 1/2 the can, engine will try to stall hold the
speed up, shut it down and let it soak for 30 minutes, restart and
blow out the remaining fluid, shut it down and disconnect the
negative battery cable for 5 Min's to reset the base idle control
Check the fuel filter on car for a restriction. Check the air filter for a restriction(dirty). also check the IAC valve (idle/air/control) located on the side of the throttle body. To check the iac valve, start the engine and disconnect the electrical plug from the iac. Listen for a change in the idle of the engine. then reconnect the plug to the iac valve and turn on the a/c and listen for the engine idle speed to change. If not then replace the iac valve. Hope this will help you.
Some of the classic symptoms, stalling at dead stops. failure to auto lock doors. poor fuel economy. Failure to go to overdrive.
Go to your local parts store and run the failure codes.
Your ECU thinks that the engine is running with out moving, During slow down the engine steps down the idle to match ground speed and as a result the engine will not stall. At present it goes directly to idle and stalls due to drag on motor.
Hope this tip helps.
when you disconnect battery your pcm loses it memmory. it has to relearn its program.its going to keep stalling until it relearn to idle .take it to dealer to reset relearn idle on pcm.it would be safer.because stalling car is dangerous in traffic.
First, check the oil level, if ts low that could be your problem. If its full, you could have either a faulty oil pressure sending unit, or (hopefully not), a bad oil pump. If the car is still under warranty, I'd take it to Chrysler and have them look at it. You could try a higher viscosity of oil too, but I'd make sure everything else is ok first. That cars still a little too new to be having problems like that.