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Discussion in 'The Garage' started by southernspeed, Sep 4, 2005.
Can someone explain what this is in the WINaldl programme? Thanks.
Distributor Reference Pulse unless I'm mistaken.
The DRP Occured flag comes on almost as regularly as the lean/rich flag (every few seconds). I know the lean flag should be doing that but a distributor reference pulse surely should be very regular or not at all shouldn't it?
I just went over to thirdgen to check it out, sounds like that flag doesn't really indicate anything critical if the engine is running ok.
I don't know about regularity though.
OK thanks. I'll have to look into it a bit more just to satisfy my own curiosity! I'll run the programme on my '78 too ('90 motor in it) and see if I get the same result. Thanks.
I see the exact same thing on mine, since day 1. I would say it's normal. If I was to guess, the reason it shows up on the screen, is the ECM is polling the DRP input to make sure it's there.
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