20 Most Recent 2009 Ford F-250 Super Duty Questions & Answers

The mirror is attached inside the door, you must remove the door panel, the part you think is just a cover doesn't come off.

It has carbon or sludge on it. IT will come out if you work at it.

Chechen your fuse links off the battery and the body control module

There is usually a solenoid in the vent system which allows for a Vacuum pull in the system. This is suppose to disengaged when the key is off. Sounds like the solenoid is stuck and the tank can not vent.

I believe you are talking about the purge solenoid or canister purge solenoid.

The links suggest it doesn't have one and to check the 'dimmer switch' whatever that means. https://www.google.com/search?q=1991+Ford+F-250+headlight+relay+location ..

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https://www.superdutypsd.com/torque_specifications.php

Partstore will help u

I would look for a problem with the headlamp switch. Also it could be in the multipurpose switch which is part of the turn signal switch I have seen both problems. You will need a test light that will light when you probe 12 volt wire. Follow the 12 volts from the fuse box, some trucks fuse the headlamps, so make sure they are all aright. Follow it to the head lamp switch to make sure it has current and if it does, probe the wires that are connected to the multipurpose switch. Make sure that the headlamps have a good ground and that they are both not bad.

The OSS or Output Shaft Speed Sensor is located in the top of the tail shaft housing of the transmission just before the driveshaft, it is an 8mm bolt that holds it in, very tight place to be but can be change fairly easy.

Burnt out bolb or bad ground either to the socket or in the socket.

air flow from and air conditioner is dependent on the condition of the heater blower fan so check that the blower fan is operating at all fan speed settings next if you live or use the vehicle in dusty conditions , the dust will build up on the evaporator fins ( condensate water and dust = mud and gunk) and blocked evaporator fins ( this will result in reduced ac operation as well the dust is not always from out side air through a cabin filter ( may be blocked) but from dirt that is introduced into the cab from dirt on the foot wear

P0261 Cylinder I Injector Circuit Low P0270 Cylinder 4 Injector Circuit Low P0273 Cylinder 5 Injector Circuit Low P0276 Cylinder 6 Injector Circuit Low P0279 Cylinder 7 Injector Circuit Low this will hold true for each code you listed SymptomsPossible sumptoms of OBD code P0279
- Engine Light ON (or Service Engine Soon Warning Light) - Engine Misfire - Engine Run Rough - Low MPG CausesPossible causes of OBD code P0279
- Fuel Injector #7 - Faulty or Corroded Fuel Injector #7 Connector - Plugged #7 Fuel Injector - Dirty #7 Fuel Injector Possible Solutions- Clean Fuel Injector #7 Connector - Clean Fuel Injector #7 - Replaced Fuel Injector

make sure the plug on the speed sensor has no bent prongs or pulled wires on the harness Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/tom_db3a51ff0ca57f20