Limp Mode

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Old Apr 30, 2007 | 11:52 AM
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fasterhorses's Avatar
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From: San Diego, CA
Limp Mode

Does my 97 5.4L have limp mode? If so, how does the engine shut down 4 of the 8 cylinders? I had a problem (gear turned on one cam) and had new cams installed (not at Ford) and now the mechanic is telling me that the cams are defective. There is no compression on 4 cylinders, the back 2 passenger side and front 2 drivers side. Is it possible that he did something stupid and activated limp mode? HELP
 
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Old Apr 30, 2007 | 01:54 PM
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projectSHO89's Avatar
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You have confused HLOS (limp mode) with failsafe cooling operation.
 
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Old Apr 30, 2007 | 02:37 PM
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Originally Posted by fasterhorses
Does my 97 5.4L have limp mode? If so, how does the engine shut down 4 of the 8 cylinders? I had a problem (gear turned on one cam) and had new cams installed (not at Ford) and now the mechanic is telling me that the cams are defective. There is no compression on 4 cylinders, the back 2 passenger side and front 2 drivers side. Is it possible that he did something stupid and activated limp mode? HELP
Cams installed backwards
 
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