Have had the fuel regulator replaced, one fuel injector was also replaced as well as new oil change, air & fuel filter.
The idler regulator maintains proper engine speed when stopped, whether in first gear stopped at a light or while in park. It sounds as if this part is not operating correctly and thus the engine stalls out.
SOURCE: 1992 gmc chevy 350 wont idle when warm
This could be a number of things but i think that your problem sounds like a vacuum leak or an EGR problem. Try listening for leaks and try un-plugging the EGR solenoid valve one time.
SOURCE: Code p1166 only months after New Plugs, wires, Air Filter, & OLF?
Change the air flow meter on the air intake pipe.
SOURCE: it violently shakes when parked or when stopped
If it shakes, it is normally either a bad motor mount (if the car runs fine) or your car is "missing" on one or more cylinders (misfire). The belt will squeal because they stretch with use. That can be solved by replacing the belt or tightening the belt. The squealing sound won't go away until you do one of those two things and is unrelated to the shaking. You PROBABLY are experiencing a very "rough idle" if any of the hoses to the intake (top of the motor) have a hole or crack in them from heat or age. This is common and is the first thing to look for to avoid high repair bills. Bad (worn out) spark plugs or old cracked plug wires can also cause a misfire. You could also have a bad coil pack, but mine has gone 186,000 miles without coil replacement or new plugs or wires and I've only changed the fuel filter once. Another possiblity is a faulty Idle Position Sensor that is not properly regulating the fuel delivery. Normally that would cause an engine light to come on also though and you can have someone at the parts store "read the code" once the engine light comes on.
Testimonial: "good feed back"
SOURCE: 97 chevy cargo van 5.7liter engine. Replaced fuel
try to spray some carburetor cleaner inside where the air goes in the engine...it will clean the system and it might start...
press some gas when you try to start the vehicle...
good luck!
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