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ECU, AMM (B230F, CA egr) problems 700 1991

The 1-1-3 (and 2-3-2) problem turned out to be a faulty AMM. Visually it looked OK. Wire was intact.

As far as my cleaning concerns --- I warmed up the contacts with a hair dryer and hit them with "plastic safe" contact cleaner, a soft toothbrush and some De-Ox.

Swapping the ECU made no difference in my Check Engine Light problem.
I swapped the AMM and it passed the CA Smog Test. Thanks to all that replied.






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