Question about 1987 Chevrolet Camaro
Ive replaced, plugs, wires, got a new comp, with a new prom, fuel pump, all those were bad before, but now i cant seem to get it timed right when the ecm is plugged in it runs rough and the timing notch on my camshaft is jumpin back and forth, i thought it was a vacuum so i un-plugged my iac while it was running and nothing changed so im led to believe its that. Any ideas? I would just run it without the ecm, but im in Arizona and you have to pass emissions, and im sure ide go threw these injectors pretty quick with how much fuel ide burn. Thank you. Troy
Static timing should be 10 deg btdc you can check that timing when you disconect the tan/black trace wire there should be a weatherproof connector for this wire near the Left hand inner skirt this wire is called the set timing connector and when disconnected stops the ecm from adjusting the timing.
Posted on Apr 23, 2009
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Posted on Jan 02, 2017
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