We have a 2007 Jeep Grand Cherokee with a V8 hemi that stalls out while driving. Thankfully I have made it to the side of the road, it starts right up. Yesterday it happened six times. I have had it at two different dealerships but they have not fixed the problem. They don't even know what is causing the problem. Has anyone else had this problem and what was the fix. It is dangerous to drive this car.
get your trouble codes read from your OBD-II port located within three feet of the ignition~ tell us what it says....or go to any autoparts store to read them for free~
I suspect a corroded MAIN ground connection from the battery through the 1/0 battery cable to the chassis...disassemble this lug...wirebrush this lug...wirebrush the spot where this lug attaches...re-assemble, then look at the 1/0 cable that goes to the motor block (near the alternator)~
the brain will not go "brain-dead" if it's got solid power....varying amperages and varying voltages occur because the current lug is pullin' over 300 cold cranking amps through it....repeated again with every start...well the lug and the chassis are made from dis-similar metals....whenever we pull these high amps through one connection...with a blue spark, some of the lug will go onto the chassis and some of the chassis will go onto the lug in a kind of "semiconductor" patch of corrosion that also serves the 750 mA requirement of the ECM....what you have is a situation where the computer goes "brain dead" for lack of SOLID ground....this situation is easy to correct...get a NEW battery too if yours is older then five because tin/antimony alloy batteries do not behave like LEAD used to....they'll stop degrading....won't take a charge 10% per year~ five years is the time they need to get changed~
I am having that same problem with my 07 Grand Cherokee Limited. I have traced it down to DTC code P0884. The TCM (Transmission Control Monitor) stops receiving a signal from the transmission Via a loose wire or plug connection causing the vehicle to buck/jerk or stall while driving for a second or two then continues normal driving. The computer does not receive a signal from the transmission and causes the motor to shut down thinking there is no transmission attached.
We have a 2007 Grand Cherokee and it stalls , while you are driving !!!! This vehicle is down right dangerous !!!!!!
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