My cherokee turns off while driving and the motor shakes and stales out.THey scanned it the timing chain and belt code came up.
The symptoms of chain failure is simple . the engine will not start
what the code may be revealing is that the cam timing device on the sprocket that automatically adjusts the valve timing according to the ECM program is faulty or the hydraulic solenoid that controls the device is faulty
turning off while running could be cam position sensor or crank position sensor as either or both have to be in synch with each other or the ECM registers it as a belt/chain problem and shuts the engine down
shaking could be from injector problems or ignition faults
If the timing belt were broken, the car would not be driving at all. If those codes weren't confused with another symptom it could be the car needs a tune up. You should think of when the last time plugs, wires, air filter were replaced. If they're pretty new, it could mean a cracked cam shaft sprocket has the engine out of time. Honestly, a full tune up would be cheaper than paying a mechanic to tear down and close up the engine. Good luck!
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