Without seeing the car and knowing the symptoms, I could only guess, and that is no way to repair the problem. Stop throwing parts at the problem and take it to a professional. You will be money ahead. auto zone will tell u those codes for free
It does not have one, You have to remove the fuel pump fuse are relay to shut the pump down.
yes
internal
That transmission does not have a modulator valve on it. It is computer controlled to a point.
The heater valve could be failing to open for one reason or another.
It is on the back of the intake manifold.
The ERG valve is located on the front of the engine on a 1998 Chevy Blazer V6 4.3L. It is near the top bolted to the intake manifold.
Yes but, it is called an orifice tube.
There is none.
Right under the throttle cover.
Horn valve? Please give more info.
were is the tfp valve position switch location on a 2001 chevy blazer 4.3 lt modle