Engine Stalls or Dies — International DT466E
The engine shuts off while driving or at idle and may restart after a short wait. On the International DT466E this symptom usually points to a loss of engine…
What’s going on
On the DT466E, stalling or dying while driving is commonly a lost or noisy camshaft position signal, a loss of injection control pressure, or low system voltage. These conditions can interrupt injector firing or cause the ECM to shut the engine down.1
Most likely causes
- Camshaft position sensor signal loss or noise — A failing CMP sensor, wiring damage, poor ground, or incorrect air gap can produce an incorrect number of CMP transitions or electrical noise on the CMP signal. The ECM may lose engine speed/position and stop injector firing, leading to stall or die. Typically sets DTC 143 or DTC 144.123
- Low injection control pressure from HEUI system — High-pressure oil leaks, a sticking injection pressure regulator valve, low or aerated engine oil, or a worn high-pressure oil pump can prevent ICP from reaching the desired value. Loss of ICP causes injectors to stop firing and the engine to stall. Typically sets DTC 333.145
- Low system voltage / charging system fault — Weak batteries, a failing alternator, or poor battery/ground connections can drop ECM supply voltage below valid range. Low voltage hurts injector drive and ECM operation and can cause stall or die. Typically sets DTC 113.16
How to narrow it down
- Read stored Navistar three-digit DTCs with a scan tool or by counting amber engine lamp flashes; note DTC 143, DTC 144, DTC 333, DTC 113 if present.
- Check battery voltage at rest and while cranking; verify alternator output and clean/tight battery and chassis grounds. Low voltage can cause stall and sets DTC 113.
- Inspect CMP sensor connector, wiring routing, and ground; check sensor air gap and replace sensor if signal is erratic. CMP faults typically set DTC 143 or DTC 144.
- Monitor injection control pressure actual vs desired during idle and light load with a scan tool; look for ICP not following desired, especially on acceleration. Low ICP points to HEUI issues and can set DTC 333.
- Check engine oil level, condition, and for aeration; inspect high-pressure oil system for external leaks at fittings, injector O-rings, and the high-pressure pump. A leak can cause loss of ICP and stall.
- If codes are present, clear them and test drive to confirm repeatability; re-check codes after stall event to identify the fault that occurred at the time of stall.
Specs and test values
| Check | Normal reading | When to measure | Source |
|---|---|---|---|
| Battery and charging voltage | 12.6–12.7 V at rest when fully charged; about 13.5 V running | Engine off, then running with loads on | DieselHub |
Parts and tools you may need
- Digital multimeter
- Navistar-compatible scan tool
- Mechanical oil pressure gauge
- Basic hand tools
- Safety glasses and gloves
Tools you’ll need
- Navistar-compatible OBD-II scan tool — Reads Navistar three-digit DTCs and live data like injection control pressure actual vs desired to pinpoint CMP, ICP, or voltage faults during a stall.
- digital multimeter — Checks battery voltage at rest, cranking voltage, and alternator output to identify low system voltage that can cause ECM shutdown.
- mechanical oil pressure gauge — Verifies high-pressure oil system integrity by comparing mechanical ICP to scan tool readings to detect HEUI leaks causing stall.
- inspection light — Illuminates CMP sensor connector, wiring routing, and high-pressure oil fittings for damage, corrosion, or leaks in tight engine bays.
Rough cost and difficulty
| Likely repair | Parts | Shop labor | Who usually does it |
|---|---|---|---|
| Crankshaft or camshaft position sensor | $40–$200 | 0.5–2 hrs | DIY with tools and a manual |
| Battery or charging-system repair | $150–$500 | 0.5–2 hrs | Easy DIY |
| High-pressure oil pump (HPOP) | $1,000–$1,400 | 3–6 hrs | Shop |
Typical US independent-shop figures; labor runs about $140–$200 per hour (dealers charge more). Confirm the diagnosis before buying parts.
When to see a pro
If the engine stalls in traffic, stalls repeatedly, or shows repeated low oil pressure or overheating protection codes, have the vehicle inspected promptly by a qualified diesel technician. Do not attempt high-pressure oil system repairs without proper training and safety equipment.
Check for recalls
Recalls are tied to your truck’s VIN, so check yours directly: enter the VIN at NHTSA’s recall lookup. Open safety recalls are repaired free at a dealer.
Related trouble codes
- DTC 143 — Incorrect Number of CMP Signal Transitions Per Cam Revolution
- DTC 144 — CMP Signal Noise Detected
- DTC 333 — Injection Control Pressure Above / Below Desired Level
- DTC 113 — Electrical System B+ Voltage Out of Range – Low
Sources
Curated symptom seed — International DT466E (curated) ↩︎ ↩︎ ↩︎ ↩︎
Curated DTC seed — International DT466E (curated) ↩︎
Curated DTC seed — International DT466E (curated) ↩︎
Curated symptom seed — International DT466E (curated) ↩︎
Curated symptom seed — International DT466E (curated) ↩︎
Curated DTC seed — International DT466E (curated) ↩︎
Spotted an error, or something missing? Tell us
Run a International DT466E? This goes straight to the editor — it is not published.