2004 Ford Ranger First Had Engine Changed Out 2007 Engine Heat Until

2004 FORD RANGER
176,000 MILES
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First of all I had the engine changed out, with a 2007 engine. My problem is I have no heat until I hit about 65mph. The slower I go the colder the air gets! Than other times around 40 it may get hot air, I believe the heater core is being blocked, will reverse flushing fix the problem?
Dec 29, 2012 at 4:35 AM
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ASEMASTER6371
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it could, try cleaning with a garden hose and work it back and forth. otherwise it has to be replaced.

Roy
Dec 29, 2012 at 4:39 AM
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