Camshaft sensors were not used on any of the Chevy Celebrity 2.5L, 2.8L or 3.1L engines
The MAP sensor on a 1987 Chevy Celebrity is mounted to the firewall near the right fender.
The knock sensor is on the left side of the block below the exhaust manifold.
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 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.
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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.
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.
I had a similar experience with my 1987 Chevy Celebrity. In my car's case I replaced the ignition module and the crankshaft position sensor. Between the two the problem seems to be fixed.
The timing on a 1987 Chevy Celebrity is controlled by the engine control module, there is no provision for adjustment.
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.