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Did you check or change your spark plugs? The WUR controls pressure to fuel head and riches up fuel ratio when under boost, you will need CIS fuel pressure gauge to check it.
As Alan mentioned, no relays that I can think of controlling boost pressure unless somehow modified, verify both fuel pumps working. Vac lines to your distributer correct?
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Last edited by 908/930; 03-13-2024 at 11:55 AM..
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