Lotus TURBO ESPRIT Service Manual page 226

Page 7.8'
View from front
r-7
SECTION EMA
If
switch adjustment i s carried out, open throttle to 2500 rpm and then return
throttle to idle position. Check that when engine speed i s above
1 800
rpm, the
micro-switch i s deactivated allowing fuel pressure to increase to
4.0
-
5.0 p.s
.i
.
Repeat this test and check that pressure differences are maintained. Adjust switch
position
i f
necessary but always ensure that idle pressure requirements are met.
If
switch contact i s made at idle, but fuel pressure remains above 3.5 p.s
.is
check
fuel pressure regulator solenoid pipework and wiring for leakage or disconnection.
If
no fault i s found, replace fuel pressure regulator solenoid valve.
If
pressures are found to be correct, remove caiburettor tops and check fuel inlet
fil
ten, cleaning
if
necessary. Remove float needle valves and inspecf seating.
Replace
i f
necessary. Check float height setting = 14.5
-
1
5.0 m m
.
APR 1987
Float height with
gasket i n position