Thread: Starting issue
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Old 11-30-2021, 12:58 AM   #3
jp2code
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If the engine runs bad when cold but not when warm, you probably have a cracked vacuum hose.

When the hose is cold, air seeps in the cracks. When the engine warms up, the rubber hoses expand and seal the leak.

Try pulling the codes to see if the ECU can give you an idea of where the leak is.
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