I have a Check light Malfunction that is intermittent
Gives a DTC of 71, EGR on 1994 Toyota Land Cruiser

error shows when gas tank is filled, Erg modulater replaced, Erg pipes cleaned. Help

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1 answer 1 comment
put vac to egr with vac pump and see if it holds a vac to start with and while doing so with car running at idle the car should start to stumble if all ports are clean
Thank You. To clarify,you suggest a Vac Gauge inline between erg and erg mod?. My error light is very intermittent and maybe Vac levels won't tell me much. I appreciate you comments.