Hard Start in cold

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paylov

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Hey everyone,

I have a 1994 k1500 5.7 350tbi, that has been rebuilt by previois owner, somewhat poorly. Lately, in these colder days my truck has been more rough than usual to start. Usually it will start right up then have a rough idle for about 30 seconds, then be good to go. But since the weather started getting colder, some days, especially if i havent driven it for a day or 2, it is hard to initially crank and some times i even have to give it some gas to get it over, and once it catches its sometimes is still on the verge of dying for another few seconds. Any ideas on what to try or do? I have a list of new parts and work to do, just slowly chissling away at this project lol. Thanks
 

RichLo

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First check the TBI injector spray pattern. They should both have a nice Christmas tree pattern without any large drops.

Next I would replace the fuel filter if it hasn't been done recently.
 
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