idle high RPM Y61 TB48 MECANIC

[groche18]

HI GUYS,

I have issues with my Nissan. When I start it and drive for a while, the RPMs are normal and low. However, if I turn it off and restart it, the engine idles at 1,000 RPM while hot. What could be the cause

[mudnut]

Maybe a sticking throttle butterfly. Or an intake leak. Clean the MAF sensor with the correct spray. Get an OBD2 reader and check live data and codes. If anything changes on the live data between hot and cold, it might give you a clue.