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  1. ECM does not go into diagnostic mode

    Engine Topics
    I recently acquired a 1986 Elky with a 305. It has the original smog equipment, but I had to plug off the vacuum line going to the air management valve and to the efe tvs to keep it from stalling at idle. I also need to keep the idle at 700 rpm in drive or it surges and occasionally stalls. The...
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