The sensor senses when the engine is pinging or called spark knock. It then sends a signal to the engine control module. The engine control module then temporarily retards the timing until the pinging stops.
The map sensor for the 1991 Acura Legend is mounted on the firewall. It is in a box near the factory strut brace.
The 1991 Acura Legend does not have an oil temperature sensor. It does have an oil pressure sensor. The oil pressure sensor will be located on the left-hand side of the engine.
On the transmission
== acura speed sensor }
go to acura-legend.com search the forum
The camshaft position sensor on a 1991 Acura Legend is located at the back of the camshaft, near the rear bearing cap. It monitors the rotation of the camshaft and relays this information to the vehicle's computer.
You have a bad Vss Sensor.............. The vehicle speed sensor.
it is a defective speed sensor.
There are 2 of them.One on each side of the engine.
no difference. both are located underneath the car by the tranny.
One indication of a bad sensor is when your speedometer bounces around, shakey, or jumpy.
Acura Legend was created in 1986.