Maybe need tune up
it, sounds like the crank sensor needs to be replaced or throttle body sensor needs to be cleaned.
try cleaning the egr valve passage and egr valve.
Possibly fix the vaccuum leak !!
O2 sensor(s) needs replaced.
A throttle body can be cleaned without removal. Several spray cleaners for throttle bodies are available at your local auto parts.
V-6: PCV valve is located below and behind the throttle body, just to the firewall side. It will have two or three hoses plugged into a fitting on the valve. It is easily cleaned and/or replaced.
No, they are replaced when faulty.
The throttle body needs to be cleaned. For complete instructions visit out enthusiast forum at www.trailvoy.com
The 95 models did not have the spider on them. It was a TBI / Throttle body injection system. If your engine is a vortec, Then no it can't be cleaned.
The fuel pump, and filter will need replaced. The tank will need cleaned out. The lines will need cleaned and the injectors may need replaced.
Mildred's stomach had to be pumped and cleaned out and her poisoned blood had to be replaced with fresh blood.
Only if the surface was recently cleaned with nitric acid.