The idle speed is read by the Engine Control Module(computer) and adjusted as necessary by use of the idle air control in conjunction with the throttle position sensor. There is no separate idle sensor as such.
The MAP sensor on a 1987 Chevy Celebrity is mounted to the firewall near the right fender.
Camshaft sensors were not used on any of the Chevy Celebrity 2.5L, 2.8L or 3.1L engines
On a 1987 to 1990 Celebrity with 2.8/3.1L engine the crankshaft position sensor is on the side of the block beneath the exhaust manifold on the firewall side of the engine.
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 knock sensor is on the left side of the block below the exhaust manifold.
most Chevy cps's are located in the timing cover(behind the balancer). I'm not certain on the Celebrity, but it would be a good place to check.AnswerOn my 1986 Celebrity 2.5, it is beneath the intake manifold on the back of the engine.
on the low pressure side
Its on the upper engine in front of the valve cover
It on the back of the coil packs going into the side of the block.
The timing on y our 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.
The idle speed on a 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.
The crankshaft position sensor is located on the lower engine block beneath the exhaust manifold on the firewall side of the engine.