9 to 13 LBS. It CAN'T be any LOWER are HIGHER It must be within that area.
It is in the throttle body.
There is only one wire and it should be black.
yes, they should be identical.
it should be 4x6....
Yes
No they will not.
It should be behind the right front turnsignal.
The fuel pressure should be 45 psi .
depending on model of truck.
Diagram of 1990 chevy truck steering column
oil pressure switch or knock sensor
Advertised engine oil pressure is: 1000 RPMs----6 LBS or more 2000 RPMs-----18 LBS. are higher