It does not have a cold start relay. It sounds more like a fuel pressure regulator has failed or the injectors are dirty causing excessive flow. Have a certified technician check for these things as they can be a little hard to diagnose without the proper equipment.
60 to 66 LBS. NO lower are higher are you will have starting and running problems. It can be 50LBS. with engine running.
My RV Chevy engine V8 454 has 43000 miles , til now inewer had a problem, my last trip was a horror, after 50miles the engine begin to cought and misfiring on the muffler, and it was not running round
55 to 62 LBS. No lower and no hayer or you will have starting are running problems.
Tell us what problems you are having.
No real problems it is a solid engine.
A 1998 Chevy Cavalier is an interference engine meaning any timing failure will result in catastrophic damage. A free-running engine will simply stop running until and can readily be fixed.
You can have a list of problems. The problems can be severe enough to actually enabeling your car from running properly or even running at all. It can also ruin your engine.
Describe the problems you are having.
The engine itself creates Vacuum once it is running.
To answer your question I need to know the year model of your Chevy Celebrity as well as the engine that it has in it.1996 chevy calavlier 2.2
Really have to know what year the car is because these problems vary from year to year.
Check for vacuum leaks.