Ford 7.3L Power Stroke Diesel (T444E)

Failure modes

Parts

7.3L Power Stroke Turbo Air Inlet Connection / Boot (Ford F4TZ-6C640-A, OBS 1994-1997) part-73-boost-connection-obs powerstroke-7_3: coolant (service item) part-73-coolant-service 7.3L Power Stroke EBPV Block-Off - Non-EBPV Turbo Pedestal (KC Turbos 300112 OBS / 300270 E99) part-73-ebpv-blockoff-pedestal 7.3L Power Stroke Fuel Filter Housing / Fuel Bowl Assembly (Ford F81Z-9155-AA, 1999-2003) part-73-fuel-filter-housing 7.3L Power Stroke Fuel Bowl Heater Element (Ford F5TZ-9J294-A, OBS 1994-1997) part-73-fuel-heater-obs 7.3L Power Stroke Fuel Bowl Heater Element (Ford F81Z-9J294-AA, 1999-2003) part-73-fuel-heater-sd 7.3L Power Stroke Valve Cover Connector Pigtails (Alliant AP0015 OBS / AP0016 99-03) part-73-uvch-pigtail 7.3L Power Stroke Bellowed Up-Pipe Kit late 99-03 part-psd73-bellowed-up-pipe-kit 7.3L Power Stroke Camshaft Position Sensor 1994-1996 (OEM) part-psd73-cps-obs 7.3L Power Stroke Camshaft Position Sensor 1997-2003 (OEM) part-psd73-cps-sd 7.3L Power Stroke EBPV Actuator (OEM) part-psd73-ebpv-actuator 7.3L Power Stroke Fan Clutch (OEM) part-psd73-fan-clutch 7.3L Power Stroke Fuel Bowl Drain Valve / Seal Kits part-psd73-fuel-bowl-kit 7.3L Power Stroke Fuel Filter Element 1994-1997 (OEM) part-psd73-fuel-filter-obs 7.3L Power Stroke Fuel Filter Element 1999-2003 (OEM) part-psd73-fuel-filter-sd 7.3L Power Stroke Glow Plug (OEM) part-psd73-glow-plug 7.3L Power Stroke Glow Plug Relay / Control Unit (OEM) part-psd73-glow-plug-relay 7.3L Power Stroke High-Pressure Oil Pump 1994-early 1999 (15 deg) part-psd73-hpop-early 7.3L Power Stroke High-Pressure Oil Pump late 1999-2003 (17 deg) part-psd73-hpop-late 7.3L Power Stroke ICP Sensor (OEM) part-psd73-icp 7.3L Power Stroke IDM (Injector Driver Module) 1994-1997 (reman) part-psd73-idm 7.3L Power Stroke HEUI Injector AA code 1994-1997 part-psd73-injector-aa 7.3L Power Stroke HEUI Injector AB code 1996-early 1999 part-psd73-injector-ab 7.3L Power Stroke HEUI Injector AD/AE code 1999.5-2003 part-psd73-injector-ad 7.3L Power Stroke HEUI Injector Seal Kit (aftermarket) part-psd73-injector-o-ring-kit 7.3L Power Stroke IPR Valve (OEM) part-psd73-ipr 7.3L Power Stroke Oil Cooler (OEM) part-psd73-oil-cooler 7.3L Power Stroke Thermostat 1996-2003 (OEM) part-psd73-thermostat 7.3L Power Stroke Non-EBPV Turbo Pedestal late 99-03 part-psd73-turbo-pedestal 7.3L Power Stroke Turbo Pedestal / Turbo O-Ring Kit part-psd73-turbo-pedestal-orings 7.3L Power Stroke Turbocharger GTP38 (reman, OEM) part-psd73-turbocharger 7.3L Power Stroke Up-Pipe Donut Maintenance Kit (OBS era) part-psd73-up-pipe-maintenance-kit 7.3L Power Stroke Internal Injector Harness 1994-1997 (aftermarket) part-psd73-uvch-obs 7.3L Power Stroke Under-Valve-Cover Harness 1999-2003 (OEM) part-psd73-uvch-sd 7.3L Power Stroke Water Pump 1995-1997 (OEM) part-psd73-water-pump-obs 7.3L Power Stroke Water Pump 1999-2003 (OEM) part-psd73-water-pump-sd

Recipes

The 7.3 longevity package: the known wear points that strand or scare owners are all cheap.preventive fixes (modes fm-73-up-pipe-leak / fm-73-turbo-pedestal / fm-73-ebpv-stick / fm-73-fuel-bowl-leak)

Cold-start system service (modes fm-73-glow-plug-system / fm-73-uvch-harness): HEUI needs glow assist below ~40F, and the chain fails link by link - plugs, the single heavy relay, and the under-valve-cover harness connectors

Camshaft position sensor replacement for THE classic 7.3 failure (mode fm-73-cps-failure): heat-cycled CPS stalls the truck dead, kills the tach and can leave it restart-locked until it cools

HEUI oil-side diagnosis and repair (modes fm-73-hpop-wear / fm-73-ipr-valve / fm-73-injector-orings): hard or no-start HOT with ok cranking speed is a high-pressure-oil story

From the blog

Case fileFord 7.3L Power Stroke Diesel

“Ford Needs to Recall Diesels Also”: The Cruise Control Switch Fires on the 7.3 Power Stroke

October 28, 2026 · 6 min read

Problem explainerFord 7.3L Power Stroke Diesel

7.3 Powerstroke Won't Start or Dies While Driving: What to Check First (1994.5-2003)

October 12, 2026 · 11 min read

Buyer's guideFord 7.3L Power Stroke Diesel

Buying a Used 7.3 Powerstroke: What to Look For, Best Years and Costs

September 25, 2026 · 15 min read

Reference for this engine

Oil, filters and coolant: 7.3 Power Stroke, 2002

from the owner's manual

Repair costs for this engine

10 failures priced in parts

Part number lookup

every OEM number we verified

Is this the engine in my truck?

the 8th character of the VIN

Lift pump sizing

fuel flow by horsepower

Federal defect investigations

2 NHTSA investigations

Ford 7.3L Power Stroke Diesel (T444E)

Failure modes

Parts

Recipes

From the blog

“Ford Needs to Recall Diesels Also”: The Cruise Control Switch Fires on the 7.3 Power Stroke

7.3 Powerstroke Won't Start or Dies While Driving: What to Check First (1994.5-2003)

Buying a Used 7.3 Powerstroke: What to Look For, Best Years and Costs

Reference for this engine

Vehicle configurations