P1319 — Timer Position Sensor Circuit Fault

P1319 — Timer Position Sensor Circuit Fault. P1319 affects a critical engine timing reference and may cause stalling or a no-start condition.

Meaning for brands

For Ford vehicles

timer position sensor

vehicle

Is it safe to drive?

Service promptly P1319 affects a critical engine timing reference and may cause stalling or a no-start condition. Avoid extended driving, especially if the engine stalls, hesitates, or loses power.

Typical symptoms

  • Check-engine light illuminated with P1319 stored
  • Engine cranks slowly or fails to start
  • Intermittent engine stall or near-stall
  • Rough idle, hesitation, or surging
  • Loss of engine power under load
  • Unstable or fluctuating engine-speed indication

Common causes

  • A failed or intermittently faulty timer position sensor
  • An open circuit in the sensor-to-ECU wiring
  • A short circuit to battery power or ground in the sensor circuit
  • Corroded, damaged, or loose sensor connectors
  • Low sensor supply voltage or an unreliable electrical ground
  • A damaged reluctor ring, tone wheel, or timing target
  • An incorrect sensor gap or mounting alignment
  • A fault in the ECU timer-signal input stage

How to diagnose with an OBD scanner

  1. Inspect the sensor and wiring Locate the timer position sensor using service information. Inspect its connector and harness for corrosion, damaged pins, pin push-back, opens, and shorts. Firmly reseat the connector and verify that the wiring does not rub against moving components.
  2. Confirm P1319 with a scanner Connect an OBD scanner, ELM327 adapter, or AIScanAuto, confirm P1319, and save freeze-frame data before clearing the code. Review pending codes and monitor available engine-speed or timing data for missing or implausible signals.
  3. Check power and ground With the vehicle in the condition specified by the manufacturer, measure sensor supply voltage and ground integrity. Compare the readings with the model-specific electrical specifications and repair excessive voltage drop or poor grounds before condemning the sensor.
  4. Inspect the timing signal source Examine the sensor's reluctor, tone wheel, or timing target for damaged teeth, contamination, and misalignment. Confirm the sensor mounting position or air gap against service information; a readable code does not by itself identify which part has failed.
  5. Test the sensor signal Use an oscilloscope or a scanner capable of displaying the relevant waveform to check for a stable timing pulse. Compare frequency, amplitude, and interruptions with manufacturer specifications. An inconsistent signal points toward the sensor or target, while a clean signal with correct wiring warrants further circuit testing.
  6. Verify the ECU input circuit If the sensor, target, supplies, and harness pass inspection, test the sensor-to-ECU circuit for continuity, shorts, and excessive resistance. If the signal reaches the ECU but is not accepted, have the timer-input circuit and ECU power grounds evaluated before replacing the sensor.

Approximate repair cost

Estimated independent-shop cost for P1319 diagnosis and repair is roughly USD $120–$700, depending on sensor accessibility, whether the timing target is damaged, and the labor required. These figures are estimates only and vary by region, vehicle configuration, and parts availability.

Common questions

What does P1319 specifically mean?

P1319 identifies a fault involving the timer position sensor or its signal circuit. The sensor supplies an engine timing reference to the control module, so a fault can affect starting and idle control.

Can I continue driving with P1319?

Driving may be possible if the engine runs smoothly, but P1319 can progress to stalling or a no-start condition. If either occurs, stop driving and arrange diagnosis promptly.

Does P1319 always mean the sensor is bad?

No. P1319 can also result from damaged wiring, a poor connector, an incorrect sensor gap, a damaged timing target, or an ECU input-circuit problem. Testing is required before replacing parts.

Why did P1319 return after the code was cleared?

A returning P1319 usually indicates that the underlying signal interruption remains present. Review freeze-frame data and test sensor power, ground, waveform, wiring, and the timing target before clearing it again.

P1319 — ---

When your OBD2 scanner pulls code P1319, it means the engine control unit has detected a signal from a sensor or actuator circuit that sits outside its factory-calibrated operating range. The exact component depends on your vehicle make and model, since P1319 covers various circuits depending on the manufacturer. The control module watches these circuits constantly while the engine runs, and if a reading strays outside acceptable parameters for long enough, P1319 gets stored and the Check Engine light illuminates.

The powertrain control module compares incoming data against predetermined thresholds every few drive cycles. When the discrepancy persists past the monitor's fault counter threshold, the ECU locks in the code and saves a freeze frame snapshot. That snapshot captures rpm, engine load, coolant temperature, vehicle speed, and other sensor readings at the exact moment the fault was flagged. That snapshot becomes your roadmap for diagnosis, because it tells you what conditions triggered the failure.

Common Symptoms of P1319

P1319 does not always announce itself loudly. In many cases, the only clue is the Check Engine lamp glowing on your dashboard. Beyond that, symptoms vary based on which circuit is affected:

  • Check Engine light stays on or flashes intermittently
  • The affected system may operate erratically or fail completely
  • Reduced engine performance or limp-home mode activation in some vehicles
  • Noticeably higher fuel consumption compared to normal
  • Auxiliary systems related to the faulty circuit may go offline
  • In rare cases, the engine may hesitate or stumble under load

Top Causes of P1319

Start your investigation with the most frequent culprits before diving into expensive components. The underlying issues that trigger P1319 typically fall into a few categories:

  • A failed sensor or actuator in the monitored circuit
  • Wiring that has become damaged, corroded, or completely severed
  • An electrical short somewhere in the harness feeding that circuit
  • A weak or oxidized ground connection supplying the component
  • The control module's driver circuit for that specific output has failed

Wiring problems and bad grounds account for a substantial percentage of intermittent P1319 codes, so inspect those thoroughly before swapping expensive sensors or control units.

How to Diagnose P1319

A systematic approach prevents misdiagnosis and unnecessary part replacements. Follow these steps in order:

  1. Connect your OBD2 scanner, confirm P1319 is present, and record all freeze frame data along with any other stored trouble codes.
  2. Cross-reference any additional codes and search for technical service bulletins specific to your vehicle's make, model, and year—manufacturers sometimes publish known fixes for recurring code patterns.
  3. Perform a thorough visual inspection of the wiring harness and connectors tied to the affected circuit. Look for broken insulation, corrosion buildup, bent pins, or connectors that are not fully seated.
  4. Use a multimeter to check reference voltage, ground integrity, and signal wire continuity at the component connector while the system is de-energized.
  5. Reconnect everything and conduct a wiggle test on the harness while monitoring live data. Any signal dropouts or erratic readings point to broken wires inside the insulation.
  6. Clear P1319 from memory, drive the vehicle through a complete drive cycle that reproduces the freeze frame conditions, then rescan to verify the code does not return.

Repair Options for P1319

Once you have isolated the root cause, you can choose the appropriate repair path. Costs vary depending on which component failed:

  • Sensor or actuator replacement: $150–$500 for parts and installation
  • Wiring harness or connector repair: $80–$250 for professional labor and materials
  • Control module diagnosis or driver repair: $300–$1,000 depending on whether the unit can be rebuilt or requires replacement

Always confirm the exact faulty component before purchasing parts, because a sensor costs a fraction of what you would spend replacing an entire control module.

Total Cost Summary

The final bill for resolving P1319 hinges entirely on which part is at fault. Sensor or actuator swaps land in the mid-range, wiring repairs tend toward the lower end, and control module work sits at the higher end. Expect to pay anywhere from $80 to $1,000 total at an independent repair shop. Doing the diagnostic legwork yourself first pays dividends—a proper diagnosis before buying parts keeps your total investment well below the worst-case scenario.

Can You Drive with P1319?

P1319 carries a short-term drivable severity rating. Most vehicles will continue operating normally with this code present, though you may notice diminished performance or one auxiliary system that stops functioning. Avoid prolonged driving if the car enters limp mode, stumbles under acceleration, or if any safety-related warnings appear. Get the issue diagnosed and repaired before any long trips to prevent a roadside breakdown.

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