1989 Isuzu Trooper "thermal valve vacuum" Questions

...That Valve has three more ports. One to the carb bowl vent, manifold vacuum and to a Thermal Vacuum Switch. The last port of the Thermal Vacuum Switch connects to port vacuum from the

...by a thermal valve.  Check to see that the thermal valve is getting vacuum from the intake manifold and opening to deliver vacuum to the EGR valve when the engine reaches operating

...thermal vacuum switching valve on a 85 ford crown victoria 302 fuel injected can't identify it to get a replacement part Go to parts store, and look at the computer screen, and point to it. Take ...

...valve stuck is vacuum too, that is its job it regulate rpm . vacuum brake booster, diagpham cracked. a defective thermal IAC. and more, why not get it serviced? finding leaks like this takes skills ...

...I'm lost. What make , model and year vehicle ? What type A/C system ? orifice tube or thermal expansion valve ! Problem with which ever yours has ! orifice tube clogged or the other is stuck closed

valve) is by vacuum supplied by a thermally resistant over-braided vacuum line. Find your combi 'air injection' valve on the exhaust manifold and then check the integrity of the length of over-braided

valve and it seemed to change it a little but didnt fix it. Need to know if it might be something else before I drop the $100 bucks on yet another part. Thanks for everyones time. I do not have Vacuum

...valve with no results.?? Check out your Thermal vacuum tree and your Thermostat. The scanner may be blaming the part when in fact the part does not have vacuum until the engine reaches a certain ...

...its a sensor that is screwed into the block and has 2 vacuum lines connected to it. one line to the throttle body and the other to the vapor canister so its bad? Thermal Vacuum Valve. Rare to be

...thermal blower lock out switch also contains a vacuum switch, which applies vacuum to the outside/recirculate valve when the system is in the floor position. When the engine coolant is below 120 ...