[SOLVED] P3191 Code: No Start? Here’s How To Fix It!

The P3191 fault code in automobiles indicates an issue with the air induction system, throttle body, fuel pressure, engine, MAF meter, ECT sensor, crankshaft position sensor, camshaft position sensor, or ECM. Symptoms may include difficulty starting the engine or reduced power.

It is important to address this issue promptly as it can lead to further damage to the vehicle. Repair difficulty is moderate, and the fix involves visually inspecting wiring and connectors, checking for damaged components, and looking for broken or corroded pins.

The repair time is estimated at 1.0.

To interpret the fault code, check the possible causes listed above and visually inspect related components.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

Here are some common symptoms of the automobile fault code P3191:

  • The P3191 fault code in automobiles can cause several symptoms, including difficulty starting the engine, reduced power, stalling, rough idling, and decreased fuel efficiency.
  • Other symptoms may include a check engine light, a failed emissions test, and a loss of acceleration.
  • It may also cause the engine to run hotter than usual, produce unusual noises, and emit strange odors.
  • If you experience any of these symptoms, it is important to have your vehicle inspected by a qualified mechanic to diagnose and repair the issue.

The P3191 fault code in automobiles can be caused by a range of issues, including malfunctioning air induction systems and defective engine components.

  • The automobile fault code P3191 can be caused by various factors.
  • These include a malfunction in the air induction system, a defective throttle body, improper fuel pressure, a defective engine, a defective Mass Airflow (MAF) meter, the vehicle being out of fuel, a defective Engine Coolant Temperature (ECT) sensor, a defective crankshaft position sensor, a defective camshaft position sensor, and a defective Engine Control Module (ECM).

Below are the possible fixes for the automobile fault code p3191, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P3191, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage or corrosion.
  • Look for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P3191 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. Therefore, the total cost of diagnosing and fixing the P3191 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.

P3191 is a fault code that indicates a problem with the hybrid battery system. When this code appears, the engine light or service engine soon warning light will turn on. This fault code is commonly found in hybrid vehicles, such as the Toyota Prius.

It is important to address this issue as soon as possible, as it can lead to decreased fuel efficiency and potential damage to the hybrid battery system.

If you see the P3191 fault code, it is recommended to take your vehicle to a certified mechanic for diagnosis and repair.

What are the possible causes of the P3191 automobile fault code?

The P3191 fault code in automobiles can be caused by a malfunction in the air induction system, defective throttle body, improper fuel pressure, defective engine, defective Mass Airflow (MAF) meter, vehicle out of fuel, defective Engine Coolant Temperature (ECT) sensor, defective crankshaft position sensor, defective camshaft position sensor, or defective Engine Control Module (ECM). To fix this issue, one should check the possible causes listed above, visually inspect the related wiring harness and connectors, and check for damaged components and broken, bent, pushed out, or corroded connector’s pins.

How can the P3191 fault code be fixed?

If you’re experiencing the P3191 fault code, it could be due to a malfunction in the air induction system, defective throttle body, improper fuel pressure, or other issues. To fix it, check the possible causes listed above, visually inspect the wiring harness and connectors, and look for damaged components or corroded pins.

What components should be visually inspected when troubleshooting the P3191 fault code?

When troubleshooting the P3191 fault code, it is important to visually inspect the air induction system, throttle body, fuel pressure, engine, MAF meter, fuel level, ECT sensor, crankshaft position sensor, camshaft position sensor, and ECM. Check for damaged components and inspect the related wiring harness and connectors for broken, bent, pushed out, or corroded pins.

p3191 error fault code explained

To fix P3191, check possible causes such as air induction system malfunction, defective throttle body, improper fuel pressure, and more. Visually inspect related wiring harness and connectors for damage or corrosion. Look for broken, bent, pushed out, or corroded connector’s pins.

Scroll to Top