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P1604 Toyota Code - Startability Malfunction

- Code Popularity: 472,034 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Sep 06, 2022
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|Code P1604 Toyota Possible Causes

  • Low Battery charge
  • Starting system
  • Low quality fuel
  • Clogged Fuel filter
  • Faulty Engine Control Module (ECM)

|How do I Fix the Code P1604 Toyota?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your Toyota have Safety Recalls? → Check here

|Code P1604 Toyota Tech Notes









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|What is the Cost to Diagnose the Code P1604 Toyota?

Labor: 1.0

The cost of diagnosing the P1604 Toyota code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code P1604 Toyota Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code P1604 Toyota Description

The P1604 code is stored if the engine does not start or when the engine takes a long time to start, and when the engine speed is low or the engine stalls just after the engine starts. The P1604 code is also stored if the vehicle has run out of fuel. It is necessary to check whether there was enough fuel in the fuel tank before performing this inspection.

OBDII Code P1604 Toyota - Startability Malfunction - AutoCodes.com
P1604 Toyota Code - Startability Malfunction

|Need More Information on the P1604 Toyota Code?

Need more information on how to fix the P1604 Toyota code? Get Access to Factory Service Manuals

|Need Help with the P1604 Toyota Code?

Get the P1604 Toyota code diagnosed by a professional: Find a repair shop in your area

|Code P1604 Toyota comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P1604 Toyota code? Have you replaced any parts?
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