5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) (1987)
Fuel Shut-off Solenoid: Testing and Inspection
Deceleration fuel shut-off, checking (Vehicles with manual trans. only)
Test conditions
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Engine coolant temp. minimum 50°C (125°F)
Work sequence
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Start engine and raise engine speed to above 2000 rpm
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Quickly close throttle
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Air intake boot must visibly contract
If boot DOES NOT contract
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Unplug connector (arrow) from deceleration fuel shut-off valve
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Connect voltmeter across terminals 1 and 2 of open connector
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Raise engine speed to above 2000 rpm
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Quickly close throttle12V
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Specification: approx.
If voltage reading OK with vacuum hose attached to shut-off valve
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Replace shut-off valve
If voltage reading NOT OK
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Check idle switch
If idle switch OK
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Again raise engine speed above 2000 rpm
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Specification: approx. 12V
If voltage reading NOT OK
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Check for open circuit in wiring according to current flow diagram