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1991 F350 w/460 cu starts but runs rough until warm.

When starting cold the engine must run for about 10 minutes if not longer before it can be put into gear and actually drive. If put into gear too early, rough running engine will either die outright, or it will sputter and the gas peddle must be feathered to keep it from stalling. Once warm though it is as powerful as the day it came off the factory floor. Any ideas?

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  • 10 Answers

Sounds like auto matic choke problem try a manual choke

Posted on Jan 02, 2014

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SOURCE: car trouble

faulty injector

Posted on Jun 17, 2008

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SOURCE: 1994 GMC Jimmy engine runs rough when cold; smooths out when warm

you need to have the codes checked to know what direction to start repairs,Autozone does this for free

Posted on Jan 20, 2010

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SOURCE: 94 Toyota 22RE engine. Cold engine starts and

i would check the egr valve sounds like its sticking.

Posted on Jan 29, 2010

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