Are you asking about an engine misfire? If so you can use an inductive timing light to determine which cylinder is not getting any spark.
Misfire could be caused by:
Bad spark plug.
Bad spark plug wire.
Bad coil. If it is the coil then two cylinders would misfire.
The MAP sensor on a 1987 Chevy Celebrity is mounted to the firewall near the right fender.
The idle speed on a 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.
The timing on y our 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.
no
The fuel filter on a 1987 Chevy Celebrity is next to the fuel tank on the driver's side of the car/
The heater core in a 1987 Chevy Celebrity is in the heater plenum to the right of the hump and below the glove compartment.
The timing on a 1987 Chevy Celebrity is controlled by the engine control module, there is no provision for adjustment.
It is the main computer box.
Yes
Here is a fact sheet on the Chevy celebrity http://auto.howstuffworks.com/Chevrolet-celebrity.htm/printable I found this really interesting
Camshaft sensors were not used on any of the Chevy Celebrity 2.5L, 2.8L or 3.1L engines
There is no MAF on a 1987 Chevy 2.5L engine.