Been having issues with starting. I just got a fuel pressure gauge the other day and have been testing some. AIC valve has been replaced and TPS voltage chacked/adjusted within spec while waiting for gauge to get here.
Intitial turn of key, hardly any pressure. Pressure builds each time you turn key off/on again. Fuel pressure at spec when running, regulator tests seem to check out ok, get a bump up with throttle and a nice jump when I remove the vac line.
Immediate pressure drop after pump turns off. Way out out of the spec. for one minute.
Does this make any sense? Any comments or advice on what might be going on?
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