1990 B2 running issue.
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5th Gear
Joined: Sep 2025
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1990 B2 running issue.
What am I missing? 1990 B2, 2.9 EFI. 119,000 km, new in tank lo pressure fuel pump, Hi pressure pump removed flushed, working as it should, new fuel filter, all cylinders over 95lbs, cold, 40+ lbs on fuel rail, new spark plugs, injectors all operating as should TPS working as should, new fuel pressure regulator, fresh fuel. Swapped out fuel pump relay. Truck starts but will only run for 30+- seconds and then won't start at all. WTF am I missing
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