1974-76 Models
- Connect pressure gauge and valve assembly as in cold engine control pressure test. Remove mounting plate cover in engine compartment. Remove right, rear relay from mounting plate and set relay aside.
- Install a jumper wire across terminals No. 87 and 30 of spare relay, and insert this relay on mounting plate in place of original relay. Turn ignition on (fuel pump should run).
- Control pressure should rise slowly and attain 40.5-44.7 psi (2.8-3.1 kg/cm2 ). If pressure fails to reach specified value, replace control pressure regulator. After testing, reinstall original relay on mounting plate.