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Sep 24, 2015, 6:56 PM

Post #1 of 4 (719 views)
camshaft Sign In

Whats the best way to see if the camshaft is bad, without tearing it down. Or do you have to tear it down. It is a 2005 Mercury Mountaineer, 4.6 engine, 128000 mi on it. Its awd. Need help

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 25, 2015, 2:19 AM

Post #2 of 4 (706 views)
Re: camshaft Sign In

Why are you even suspecting a problem with the camshaft?


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Tom Greenleaf
Ultimate Carjunky / Moderator
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Sep 25, 2015, 3:04 AM

Post #3 of 4 (702 views)
Re: camshaft Sign In

Ditto: Why do you suspect cam? Instead what problem or noise are you having?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Sep 25, 2015, 7:07 AM

Post #4 of 4 (688 views)
Re: camshaft Sign In

Locked the second thread on same subject already - you said.........
Quote">>My post on the camshaft was told by another mechanic. He said needed to replace the motor. This was on the mercury mountaineer, 2005, 4.6. I just thought someone could make a suggestion. The car will idle, but won"t move rpm up. I understand you can"t give me the complete low down on it, so I won"t bother you with it any more. Thanks anyway. At least you replied.<<"
Please don't confuse the whole show with posting all over the place when the question was asked right here.

OK - You don't have a credible diagnosis for a camshaft problem at all IMO. So far this just seems like throttle can't move at all and would be checking for anything from the "gas pedal" to the throttle body for the problem.

Seriously - if (didn't go hunting yet) this is a cable they can fall right off at the gas pedal or break there or anywhere if a cable. Some could be rubbing and cut off. A pivot mechanism right at throttle body where it would turn.
If it idles as you said but zero response from asking for more RPM just isn't a camshaft issue so I wouldn't go off on that track looking at all,


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