The Most Common 7.3 Power Stroke Diesel Engine Issues and How to Fix Them

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Standard Engine Issues with the Ford Power Stroke 7.3L

When properly maintained, the famous 7.3 Powerstroke Diesel parts can give years of trouble-free operation. However, several frequent issues might arise over time. In general, it may remedy all of these issues rather quickly. The nine most frequent faults with the 7.3 are listed below. Then we go over each of the typical problems with the 7.3L diesel engine, including symptoms and solutions.


Problems with the 7.3L Power Stroke

Valve for regulating injection pressure (IPR)

Module for Injector Drivers (IDM)

Position Sensor for the Camera (CMP)

UVCH Connectors are a type of connector that connects two

Clogging of the Fuel Filter

Pump for Lifting


Sensor for Injector Control Pressure (ICP)

A heater that runs on fuel

We’ll go over the symptoms and solutions for each of these 7.3 Power Stroke issues below. It’s also worth noting that the Ford 7.3L Power Stroke diesel engine is for its dependability. They are excellent engines, but problems may and do arise. Fortunately, it can resolve most faults with the 7.3 Power Stroke quickly and inexpensively.

Injection Pressure Regulator Valve for Ford 7.3L (IPR) These can stick, destroy the sensor, fail, and damage the wires. Check for any loose or broken wires, and make sure the tin nut on the rear of the IPR sensor is snug. When reinstalling the IPR unit, tighten it to 35 ft/lbs and avoid using a sealer on the threads since the sealer might clog an orifice in the threaded region.

7.3 Issues with the Injector Driver Module (IDM)

On the driver’s side, the fender is the Injector Driver Module (IDM). These can go bad or be damaged by water, resulting in no start, rugged running, and revving/rpm cutouts. Check for any damage to the wiring, as well as any dampness or water entry.

Because your IDM part number is engine-specific, double-check it. IDM 120 contains component number XC3F-12B599-AA for 99-2003 F-Series Pickups and E-Series Cargo Vans. For used-new, replacement costs range from $50 to $350.


Cam Position Sensor for 7.3L Power Stroke (CMP)

The engine of a defective 7.3L Power Stroke CMP might cut out and finally die. May cause it not to start unless it rests for a while. There is a simple technique to ensure that yours is in good shape. Check to see whether your tachometer moves when cranking on an Old Body Style (OBS). Your 7.3 PowerStroke cam position sensor is exemplary if it does. If it isn’t, it should. On the 7.3L Power Stroke, the most prevalent issue may be the cam position sensors.

Costs range from $24 to $70. Because certain aftermarket CMPs might be faulty out of the box, obtain an OEM Cam Position Sensor, part number F7TZ-12K073-B, instead of the generic sensors from any parts store. Keep a replacement on hand.


UVCH Connectors for Ford 7.3 Power Stroke Diesel

Connectors for the Under Valve Cover Harness (UVCH) are another typical problem on the 7.3 Power Stroke. When they become loose or shorted, they can produce difficult running conditions, such as the vehicle sounding like it has 17* timing, lagging badly, and frequently dying and sputtering. Because they are under the valve cover, replacing the valve cover gaskets is a brilliant idea.

There are four connectors behind the valve covers on your block/heads to correct or check for this. Unplug them and inspect them for cut wires, loose or burnt connections; replace them if they are burned or damaged. It’s a straightforward repair. For $100 or less, you may return the complete valve cover gasket kit with connections (part number F81Z-6584-AA).


Fuel Filter Clogging on a 7.3 Power Stroke Diesel

Should replace The fuel filter. The fuel filter is clogged. If the injectors can’t reach the gasoline they require, a clogged fuel filter may frequently result in prolonged cranking or a partial loss of power. F81Z-9N184-AA is the part number. The cost of replacement is between $9 and $30.


Is the Ford 7.3 Power Stroke a Reliable Engine?

The 7.3 Power Stroke is a dependable engine in general. It has its share of typical difficulties, but they’re minor annoyances in the broader scheme of things. Ford 7.3L diesel is also starting to show their age. As a result, given the age and mileage, most possible failures are fair game.

The 7.3 PowerStroke, on the other hand, has a B50 life of around 350,000 miles. To put it another way, nearly half of these 7.3L engines endure more than 350,000 miles. Even among diesel engines, which are known to outlive gasoline engines, this is rather impressive. Internally, Ford 7.3L diesel engines are powerful and long-lasting.

The 7.3 Power Strokes score is far above average in terms of dependability. They’re not perfect, but then again, no engine is. Maintain the machine correctly, and you’ll have a fantastic overall experience.


Summary of 7.3 Power Stroke Issues

For a good reason, Ford’s 7.3L Power Stroke is a legendary engine. It is, in our opinion, one of the most excellent diesel truck engines available. The 7.3 Power Stroke, on the other hand, is prone to its fair share of issues and breakdowns. Other things can go wrong. Therefore the preceding list of 9 points isn’t complete. This is especially true given that most 7.3L PowerStrokes on the road today are over 15 years old.

Fortunately, the great majority of 7.3 problems can with relatively easy and inexpensive changes. It’s a good idea to have some extra components in the glove compartment. You might be able to avoid becoming stranded if you do this. In any case, many 7.3L Power Stroke engines easily exceed 350,000 miles.

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