runs extremely rough till warm

1990 CHRYSLER NEW YORKER
150 MILES
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GALLAWAYCG
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i have a 1990 new yorker with a 3.3 v6 it takes 2 or 3 try's cranking to start then run extremely rough till warm its getting worse and I'm running out of ides?

I've cleaned the injectors replaced fuel pump and filter, also new plugs and wires, cleaned the intake manifold
Jun 4, 2012 at 11:11 PM
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HMAC300
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scan for codes and check fuel pressure first.....check for vacuum leaks like a hose off or soft and leaking.
Jun 4, 2012 at 11:20 PM
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GALLAWAYCG
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Ok just checked the codes didn't think of it before cause the light wasn't on. It shows code 34 I looked it up and says the speed control solenoid open or short is that a wiring problem or the part is no good
Jun 5, 2012 at 12:54 AM
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HMAC300
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  • 48,601 POSTS
it cold be either for the speed control. but that shouldn't cause hard starting.check fuel pressure and vacuum leaks.
Jun 5, 2012 at 1:35 PM
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