Just replaced fuel filter & fuel pump 2 months ago; now, almost every time I drive it, after turning car off it won't start again until it sits for a couple hours & I don't hear the fuel pump kick in during the times that it won't start. Wondering if the fuel pressure regulator is bad or what else could be causing this?
What makes this problem better or worse?
The longer I drive it once it starts, the longer it has to sit before it'll start again.
How long has your 1994 Mercury Cougar had this problem?
About 2 weeks. It's now starting to die sometimes while I'm driving it.
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FPR will not prevent pump from turning on.. Without testing - it’s merely a guessing game!