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F-350

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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
1995 Ford F350 doesnt want to shift smoothly from first to second gear but is fine from all other gears.
Hi there. Typically when the transmission is having difficulty shifting from first to second gear with an automatic transmission it is typically due to an obstruction of transmission fluid inside the inner hydraulic lines. This can be resolved by having...
Question
1995 Ford F350 shiffting into 2nd roughly but then smooth after that. changed out transmission fluid and filter did not help.
What you are describing may be a result of a faulty speed sensor, potentially low transmission fluid or a even a faulty transmission control solenoid. As your vehicle travels down the road, the computer analyzes data being sent by vehicle...
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
Won't crank
Hi there. Without knowing the specifics or steps you've completed on the replacement services, it's hard to pinpoint or isolate the source of your problem. However, if you turn the key and nothing happens, in general it's caused by a...
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
Engine turns over but won't start. Tested the starter and it goes from 12.5v then I turn over the engine and it drops to -20v.
Hello, thank you for writing in. As a general rule, a voltage drop test on the starter solenoid should be less than 1 volt, but this will vary with age, manufacture, and fault. Your solenoid has failed. You will want...
Question
Truck cranks but won't start
It is not possible to have more voltage than the battery can supply, so I think your meter is dropping to 2.0 volts and not 20 volts. I recommend having the battery clamps and posts cleaned and then retest system...
Question
Engine cranks but won't start
The first thing you need to do is to disconnect and clean battery clamps and posts. Then check engine main ground cable to see if you are losing ground or connection through battery clamps. You are getting big voltage drop...
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...
Question
Only runs if I do a small burst of starting fluid or splash about 2 table spoons of fuel down the air filter tube.
Hi there. The issue is either the fuel injectors are not firing or the fuel pump is not delivering fuel to the fuel rail. Check to see if the fuel pump is working by putting a fuel pressure gauge on...
Question
Not starting cranks over puffing white smoke
White smoke generally indicates that you may have an internal engine problem, such as a head gasket leaking coolant into a cylinder. Lots of white exhaust smoke on start up is usually a sign of a head gasket problem. If...
Question
1996 f350 with 351w want to swap to 12 valve Cummins, how do I do it legally?
Hi there. To be honest, this would require you to replace not only fabricate new motor mount brackets, but completely swap out engine, transmission, drive shaft components. The V-12 is a much longer block so everything behind it would also...
Question
Trying to find the name of a part 1993 Ford F350 5.8L
HI there - this part is called either a coolant temperature sensor housing or tower (Ford part #18599), depending on which manuals you look at. It was a way for Ford to plug 2 sensors into an area that previously...
Question
I have a 1997 Ford 460cu rebuilt engine with new temperature sending units for gauge and computer, new water pump, new thermostat
Hi there. The first question I would ask; especially if somebody rebuilt the long block is whether or not they replaced the old cooling lines, heater core and water pump. The reason I ask this is that some mechanics don't...
Question
truck not starting
Hello, thank you for writing in. The starter typically clicks when its not getting enough power. Test the power available to the starter solenoid to make sure the unit is getting a full 12 volts, although it can typically start...

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