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SportTrac Discussion
Engine & Drivetrain
Idle Air Control Valve lasts only three years
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<blockquote data-quote="swshawaii" data-source="post: 1029541" data-attributes="member: 67547"><p>Agree, seems that time affects intake gasket shrinkage more than mileage. Did you scan for trouble codes? Possibly p0171/174 lean codes? Never tried it but I've read blowing smoke through the brake booster hose with the engine off will help find intake leaks. Sounds much safer than spraying starting fluid around the intake with the engine running.</p><p></p><p>See posts #2 thru #9 in bottom link for upper and lower intake gasket repair. </p><p></p><p></p><p></p><p>2000StreetRod's Helpful thread list (4.0L SOHC)</p><p></p><p>http://www.explorerforum.com/forums/index.php?threads/2000streetrods-helpful-thread-list.263665/</p></blockquote><p></p>
[QUOTE="swshawaii, post: 1029541, member: 67547"] Agree, seems that time affects intake gasket shrinkage more than mileage. Did you scan for trouble codes? Possibly p0171/174 lean codes? Never tried it but I've read blowing smoke through the brake booster hose with the engine off will help find intake leaks. Sounds much safer than spraying starting fluid around the intake with the engine running. See posts #2 thru #9 in bottom link for upper and lower intake gasket repair. 2000StreetRod's Helpful thread list (4.0L SOHC) http://www.explorerforum.com/forums/index.php?threads/2000streetrods-helpful-thread-list.263665/ [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Idle Air Control Valve lasts only three years
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