Ford Mustang Forum - View Single Post - 1999 Mustang V6 idle issue
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post #5 of (permalink) Old 01-09-2011 Thread Starter
99allgonoshow99
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Joined: Jan 2011
Location: Chicago
Posts: 10
 
maybe i didnt tighten the intake down enough when i installed the motor i checked and rechecked the vac lines already. egr is new,plugs and tranny fluid too, i drained the TC when i pulled the motor so all the fluid is new. it is slow to engage when cold but i think thats normal. I,m gonna clean maybe replace IAC. Maybe the 99 intake isnt quite compatible with the 03 block??? anybody know? Its only been running for a month since the new engine
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