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Chrysler 300C CRD - accelerator warning light coming on - Joe 1942

Accelerator warning light coming on, was infrequent and switching off ignition and removing key, waiting 10 seconds and starting up again - like rebooting a computer- seemed to work. Now warning light more frequent and sometimes going into limp home mode. Car has been into main dealership in the past (this has been a long running problem) but no faults with accelerator have been logged. Also been to independent garage but fault not found.

Chrysler 300C CRD - accelerator warning light coming on - Collos25

Never worked or had anything to do with Chrysler but I assume that this has a DB sourced engine three things spring to mind as pssible causes first is the EGR valve ,secondly the camshaft sensor and third the crankshaft sensor.That is of course if its not the accelerator body and the warning light is doing its job.