Date registered: Dec 2008
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Immobilizer shutting engine down while driving
it seems the immobilizer in my car's ECU is randomly and frequently shutting the engine down while driving. When this happens, the engine will not even crank over when attempting to restart, but after some time (between 30 sec and 1 hr) the car will start and seem fine. The fault code appears to be P1570.
My mechanic says a new ECU needs to be installed - a used ECU will not work as it must be matched to the chassis number at the factory. Is this really true? and what else can I try? ( the car is a '98 slk230)