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IAC SLOWS STARTING OF 5.7L tbi

N

n01tk

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Location
Nova Scotia
Engine cranks 5 - 6 times when cold. If IAC electrically disconnected starts with 1/4 turn hot or cold. This engine has a rebuilt TB and new IAC motor. What could be the problem? Checked for vacuum leaks, can't find any. Vacuum measured when running, 20 "hg and steady. Any ideas?:???:
 
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