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Technical Support

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Mark WyskielMark Wyskiel
Mark Wyskiel
October 8, 2025 · joined the group.
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Hello Everyone,


Looking for some help. My 75 Cosworth was running great. Then on a cruise it started to run poorly and I barely limped it home. I have plenty of compression in the cylinders (180 per hole) and spark is nice. I can get it to run on starting fluid just fine. I narrowed it down to the fuel injectors not working. I had them rebuilt and have plenty of fuel pressure. When I test the noid light on the injector wiring, the pulse on number 1 is nice and bright and 2,3 &4 are very faint. Anyone have an idea were I should go from here?

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