I've made my 4.4's EGR butterfly close for 15 seconds when the ignition is switched off as a runaway preventative. It could be made to close on another signal a few minutes after restricted performance is triggered to give a thief a final incentive to abandon the vehicle, although other sensors such as the crankshaft or camshaft position sensor circuit could perhaps more easily be interrupted to stop the engine.
MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
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