Yes, this time I was playing with my new toy, the Sears multimeter. Great price, great machine! Last weekend I also got a set of crowfoot flare nut wrenches so I can torque those fuel injection line nuts just right.

In about 2 weeks I'll have my hex drives and then I'll have enough courage to tackle replacing all of the intake manifold O rings, gaskets, vacuum lines from the throttle control valve, control linkage springs, and the throttle control valve sensor. I just want to make sure I can put it all back together, and get it working perfectly. I'm thinking the lambda will have to be reset after the preceding is replaced?

Are there any other parts that I should be replacing when I have the intake manifold off? I'm thinking for a DIY, this is about a 10 hour job? Comments?

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1989 420 SEL