Cressida L6-2759cc 2.8L DOHC (5M-GE) (1988)
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Throttle Body: Testing and Inspection
5M-GE Engine
1.
Operate throttle linkage through full range, ensuring that throttle does not bind or stick.
2.
Start engine and check vacuum at throttle body ports as follows:
a. No vacuum should be present at ports marked with 6, 8 or an asterisk when throttle is closed, but vacuum should be present at above ports
when throttle is opened.
b. No vacuum should be present at port 1 in any throttle position.
3.
If throttle body does not perform as outlined, remove throttle body and repair or replace as necessary.