Which of them? There are many of them.
Should be a vacuum hose diagram attached to the underside of the hood or nearby.
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Yes, there is a diagram for the vacuum hose and sensor for this vehicle. It is found in the maintenance manual and in its repair manual.
on the underside of the car's hood, near the latch.
Clean the throttle body.
I suggest you go to your nearest Toyota dealer and ask for a copy of the hose routing for your vehicle. That is where I got my last one from.
how to repair 1999 Toyota Camry radiator hose upper connection pipe
remove the bolts holding the housing connected to the top radiator hose. go from there
on a 1992 Camry the map sensor is attached to the center of the firewall by a bracket and has a rubber vacuum hose connected to it.
what hose connects to the map sensor on a Toyota Camry
There is no transmission vacuum hose. That is a vent hose.
how to install replace air intake hose toyota camry 1998