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98 Crown Vic hard cold start
This vehicle is driving me nuts, it takes a while to get it started when it's cold (usually at least 5-6 crank sessions) but after it finally fires up it runs perfectly, no hesitations or anything. After it's warm it will fire up everytime no problem.
I've cleaned the MAF, IAC looks brand new, fuel pressure looked fine, has a new fuel filter, plugs/wires and a pcv valve. With a scan tool connected it is subtracting fuel a bit (-8 LTFT, STFT's stay positive) but everything else looks alright. Not seeing any EGR flow, through the scan tool anyways. Put another fuel pressure regulator that seemed to be working fine on the other vehicle.
I'm at a loss, anyone got any ideas?
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