RepairPal's independent, master mechanics track down the best of the best in auto repair. Learn more »
Get the latest advice about your car
I changed the Maf, Map, Tbs, Iac, and idle starts out correct then rises from 900 to 1800 rpms. How can i fix it?
I would be looking for a vacuum leak or air intake leak, providing more air than expected to the intake. You could have intake manifold gaskets leaking...