Question about 2005 Ford F 250 Super Duty
This engine is fully electronically controlled, so you need the dealer to do a full diagnostic of the engine control system, it is the only way to get to the bottom of this. Make sure you can show the dealer exactly what is going on otherwise if they can't duplicate the concern and no fault codes are present they can't fix it.
Posted on Mar 17, 2017
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Posted on Jan 02, 2017
This year of ranger had a few flaws, In one case, a break power booster was robbing the vacumm, you can test this by plugging it off and seeing the differance, but you will have limited brakes. This model year had a problem with a vacuum leak on the manifold. You can check these in many ways, but please don't use starting fluid. The rear of the manifold usually on the drivers side where it seals to the block.
Also, in 2 other cases a cracked head has gave me the same problem. It is caused from a loss of vacuum.
Posted on Jan 15, 2009
Does the trans fluid have a burnt smell and is it brown or dark brown as opposed to a red wine color? If this is the case then you may have a service issue caused by a clogged trans filter which is what this sounds a great deal like and the sooner you get the truck to the dealer or your mechanic the better as the trans in these are not cheap to rebuild or replace.
Posted on Aug 21, 2009
Check fuse #6 20amp on your interior fuse panel it may be blown. The relays are located in an auxillary relay box located under the hood on the drivers side fender near the firewall. The system uses 2 relays. One relay turns on for left turn signal, other relay turns on for right signal. Both relays turn on for brake lamps. The fuse #6 is more likely the problem. If the fuse is blown, replace it, wiggle the wiring on the trailer while someone steps on brakes to check for shorts.
Posted on Apr 06, 2010
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