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Old 12-09-2002, 05:03 AM
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Post cold starts

Have 89 s10,4.3 with tbi carb,when I start up cold,engine runs rough,shakes until it warms up[about 1 min].what adjustments can i make if any.
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Old 12-09-2002, 06:08 AM
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Have you checked your map sensore. This is a common part to fail. It could cause the symptoms you are describing.
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Old 12-09-2002, 07:32 AM
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check your thermatic choke hose that comes up from the exhaust manifold to the underside of your air cleaner but, my pick-up does the same thing and i have not been able to track it down.
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Old 12-09-2002, 02:45 PM
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Have you checked the computer for codes?
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