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F-350

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Question
was trying to turn up the injection pump can broke off the tip of the Allen wrench and it fell inside the pump what do I do now
Hi there, thanks for writing in about your 1990 Ford F-150. You should try and use a magnet tip tool to try and extract the broken piece of the Allen tool. The piece could get in and cause the injection...
Question
Lost power to my front brakes but i still have power to the back.
Hello and thank you for your question. When you were able to bleed all four brakes FR, FL, RR, RL, then the proportioning valve is okay. If the valve was sticking, you would not be able to get any fluid...
Question
Transmission won't shift and the speedometer stop
The sensor in the center of the rear axle is used for the speedometer and transmission shifting. Remove the sensor and look for excessive metal paste or chunks on the sensor which would mean the rear axle assembly may have...
Question
when cranked up it revs up and down
Hello. This is a common issue in the 7.3 Liter Ford Diesels. There is something called an ICP (Injection Control Pressure) sensor which is located at the front of the motor on the driver's side near the fuel filter. This...
Question
Is a manual transmission check plug the same thing as a drain plug
Hello there, thanks for writing in. You can go ahead and try to add the drain plugs. I am pretty sure they are the same size on these transmissions.
Question
Rattling noise rpm jump
Hello there. It sounds like there may be a few things going on. The noise could be a number of things, such as the belt idler, engine misfire, injectors, engine mechanical damage, or the turbo. A rattling noise is not...
Question
CEL limp mode reflash
Hello there. The type of issues you have described are not uncommon with the newer F series diesel trucks. The technical service bulletins are put out as a way to get vehicles repaired properly once a common failure point is...
Question
Injector clogged metal shavings
Hello there, having faults within the first 5000 miles is not uncommon. This is the time where any faults from the factory will show themselves. It is entirely possible that through the manufacturing process, a piece of metal worn off...
Question
1992 Ford F-350 won't start or when it does only drives 20 ft then dies
Hey there, thanks for writing in about your 1992 Ford F-350. There are a few angles to cover when checking for problems on a stalling vehicle. The fuel pressure must be correct and a clogged fuel filter can lead to...
Question
we replaced the batteries and got all new heavy duty cable wires, truck will not start just makes a click sound.
Hey there. This is a common issue on many vehicles when the starter relay is bad. This is a small unit on the starter that directs power from the battery to the starter causing it to engage the flywheel as...
Question
Good evening! Can you tell me if the motor needs to be pulled to replace the oil pan on the 7.3L diesel? I have heard yes and no
The quickest way to pull the oil pan is to pull the entire cab off the vehicle. It will take less time to remove the cab. If you find you are are needing help with this, a certified technician from...
Question
Overheating and Wont start
Hello. The symptoms you are describing likely stem from a blown head gasket(s). To have this diagnosed definitely will require an on-site inspection.
Question
With the ignition off the truck tries to start its self when you go to hook up a battery
Hi there. What you are describing is typically an indication of a damaged ignition relay. Essentially, what's happening is when you attach the battery terminals, power is bypassing the ignition relay and being sent directly to the starter relay. This...
Question
Should I have a massive cooling system replacement done?
To answer your last question first, if the truck is "overheating", you can't drive it at all, not even to a repair facility. Overheating, if severe enough, has the effect of warping the cylinder heads, block, and manifolds. Even if...
Question
Brakes
One of the most common causes of the brake pedal going to the floor is a loss of brake fluid. Generally, this is easy to detect due to the fact that there is usually brake fluid leaking on the ground...
Question
Not starting
Hi there. If the relay is clicking, then there is power to the glow plug controller. Remove one of the glow plugs and look at it. If the glow plug is white and has some blue on the rod, then...
Question
7.3L engine smokes and runs like it has a misfire.
Hi there. Check the fuel pump and filters. If the vehicle drives fine and then begins to smoke heavy, then there could be an issue with the fuel pump or the filters. Check the fuel water separator filter. There could...
Question
Clutch not returning all the way.
Hi there. It is very likely that your clutch pedal simply needs to be adjusted, This tends to be the case after the clutch master and slave cylinder is replaced; as the natural gap between pressure plates expands. If you'd...
Question
pours white smoke out exhaust and is sluggish in first and second
Diagnosing smoking issues on a Turbo Diesel is really difficult to do remotely. However, if it's white smoke that is coming out upon early start up, it's commonly due to an over rich situation with a turbo, or in worse...
Question
Truck won't start from ignition
Hi there. If you're able to engage the starter directly, it's probable that your issue is either a damaged starter relay or the ignition relay. It could also be an exposed electrical wire anywhere in between these two connections that...

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