![]() ![]() When these come loose or get shorted they can cause rough running conditions to the point where the truck sounds like it has 17* timing and it lopes bad and will often die and sputter. Under Valve Cover Harness (UVCH) Connectors are another common fault on the 7.3 Power Stroke. Keep a spare in your glove box.Ĥ) Ford 7.3 Power Stroke Diesel UVCH Connectors Don’t buy the generic sensors from any parts store, get an OEM Cam Position Sensor, part number F7TZ-12K073-B, because some aftermarket CMPs can be defective out of the box. Cam position sensors may be the most common problem on the 7.3L Power Stroke.Ĭost $24-$70. If it does your 7.3 PowerStroke cam position sensor is good. On the Old Body Style (OBS), check if your tachometer moves while cranking. There is an easy way to make sure yours is good. This may make it not start until it sits or is reset on the batteries. For 99-2003 F-Series Pickups and E-Series Cargo van, IDM 120, includes part number: XC3F-12B599-AA. Replacement cost $50-$350 for used-new.ģ) 7.3L Power Stroke Cam Position Sensor (CMP)Ī faulty 7.3L Power Stroke CMP can cause the engine to cut out and eventually die. Check for damaged wiring, moisture or water intrusion.īe sure to check your specific IDM part number as it is engine specific. These can go bad or get damaged from water and will cause a no start or rough running and cut outs in revving/rpm. Injector Driver Module (IDM) – located on drivers side fender. Cost $140-$300 for new.Ģ) 7.3 Injector Driver Module (IDM) Problems Rebuild IPR Valve from $14 or replacement part number F81Z-9C968-AB. When reinstalling the IPR unit torque the IPR to 35ft/lbs and do not use sealer on the IPR threads, as there is an orifice in the threaded area which the sealer could plug. Locate the IPR Valve, check for loose or damaged wires, check that the tin nut on the back of the IPR sensor is tight. These can stick, seals get damaged, have the sensor go bad or the wires get damaged. The Injection Pressure Regulator (IPR) Valve, located in the valley on the High Pressure Oil Pump (HPOP). Fortunately, most issues with the 7.3 Power Stroke are relatively simple, cheap fixes.ġ) Ford 7.3L Injection Pressure Regulator Valve (IPR) They are great engines, however problems can and do occur. It’s also important to note – the Ford 7.3L Power Stroke diesel engine earns high remarks for reliability. Below we dive into each of these 7.3 Power Stroke problems and discuss symptoms and fixes. These faults and failures aren’t in any specific order.
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