Want this question answered?
1993 on Toyota corolla vacuum hose
You may have a vacuum hose leak. Check for cracked or broken small diameter hoses coming from the intake manifold.
Toyota ae 91 4AF Vacuum hose diagram
try M-VACUUM DIAGRAMS search at yahoo.com under Toyota tercel vacuum. 91 to 94 are same
Which of them? There are many of them.
Should be a vacuum hose diagram attached to the underside of the hood or nearby.
When making changes to a car, having a diagram can help make sure the correct changes are made. A vacuum diagram for a 1995 Toyota can be found in the vehicles maintenance manual.
It is a vacuum line diagram for a 1988 Toyota Corolla. What else would it be. :-) Just playing. You can find one [http://www.themotorbookstore.com/corolla2.html Here]
Vacuum switch signal, open or short circuit detected in vacuum switches, # 1 or # 2 vacuum switches signal, any of them or both fefective...toyota tercel 87 - 94 aut. rep. manual.
A link to more information about the Toyota Supra can be found in related links.
vacuum pump helps the brake system to function well when pedal is fully depressed and released.
The erratic idle is probably a loose or leaky vacuum line or there is a sensor bad, like the TPS or MAP sensor etc.