1999 Chrysler Concorde stalls randomly...at any speed...at any random time. Have been told of known problems with O2 sensor, cam sensor, and crank sensor. But the mechanic can't find any problems and can't get the car to have the problem while in the shop. What is the problem? The Internet is full of the same type of issues with this Concorde and Sebring. Is there a recall? A known issue that needs fixed? Help me, please! Thanks.
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NO POWER TO FUEL PUMP......CHECK ALL IN LINE WIRING
NOT FIRING... START WITH COIL PACK, DIST CAP ETC...PLUGS/WIRES??????
"HOT WIRE" (DIRECT W/ FUSED JUMPER) TO FUEL .PUMP....NO - GO,,,BAD PUMP
I also have a 96 LHS that randomly blows the 20 amp ECM fuse. If this is what you are referring to, the problem may be in one of your ECM sensors. 1-Start by unplugging all ECM sensors (Temp, Cam, Crank, 2-O2, TPS, etc.) and replace the fuse. 2-Crank the starter (the car will not start) and see if the fuse blows. If it does you probably have an electrical problem with the ECM. 2-If the fuse does not blow, plug in only the cam sensor and start the car; it will idle rough and the check engine light will come on. If the fuse blows, the problem is the cam sensor or wiring to it. 3-Continue plugging in sensors one at a time and try starting. When the fuse blows, you will know which sensor and/or wiring to the sensor to check. This process of elimination has worked twice for me.
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.
When was the last time you changed the fuel filter? when clogged, they will cause the engine to stall when stopped, or while driving. Inexpensive, if you can do it yourself, Part cost-under $15, for most cars. Won't do any harm to change it, know what I mean?
Info:
Some of the classic symptoms, stalling at dead stops. failure to auto lock doors. poor fuel economy. Failure to go to overdrive.
Recommendation:
Go to your local parts store and run the failure codes.
Shop notes:
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.
I don't have the solution, but I have the same exact problem on my 1991 Escort 1.9L with auto with 120K miles. I replaced the IAC with no difference. In fact I unplugged it, and still had the random stalling. Also disconnected the EGR vacuum line...still stalled randomly. After it stalls it always starts right back up again. Sometimes it will act as if it's going to stall, but comes back to normal idle. Park or Drive makes no difference. Acceleration and all normal driving is fine. The next thing I was going to try is hooking up a timing light and watch to see if the timing light stops flashing as it's stalling, and/or hooking up a fuel pressure gauge somehow, to the fuel rail, to see if the pressure drops when stalling....to figure out if its ignition or fuel related.
I’ve had a problem with my 94 LHS stalling at high speeds, but I would have to wait a little while before the car would start up. If I were you I would have someone have a look at you cam or crack modules. Also, I’ve had problems with my 99 LHS not starting and I was told it might be the sensor for the gear shifter
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