Car turns off and idles low.

92j3ieje8

Member
Mar 17, 2020
45
2
8
27
San Antonio
Car stalling when at a stop sign or low speed and turns off, and it also shakes. I just replaced the runner control valve with a used one and new retainer washers from a online auto parts store for my car. Could the shaking be caused by the coolant that came out when I removed the HVAC heater hose? I haven't replaced the coolant. And also would anyone know how to extract a longest screw of the intake manifold?
 
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