AutoCodes – Toyota – P1605 2016 Toyota RAV4

P1605 2016 Toyota RAV4 Code - Engine Rough Idling

Quick Answer

After starting the engine, this Diagnostic Trouble Code (DTC) is stored if the engine speed drops below the set speed. Common causes include Air Leak in Intake System, Faulty Mass Air Flow (MAF) sensor, Faulty Engine Coolant Temperature Sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1605 2016 Toyota RAV4 indicates Engine Rough Idling.
Common causes: Common causes include Air Leak in Intake System, Faulty Mass Air Flow (MAF) sensor, Faulty Engine Coolant Temperature Sensor.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 547

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 06, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code P1605 2016 Toyota RAV4 Description

After starting the engine, this Diagnostic Trouble Code (DTC) is stored if the engine speed drops below the set speed. With the engine running, the engine stops (the engine speed drops to 200 RPM or less) without the ignition switch being operated for 0.5 seconds or more. It is necessary to check if the vehicle has run out of fuel before performing troubleshooting, as this DTC is also stored when the engine stalls due to running out of fuel.

OBDII Code P1605 2016 Toyota RAV4 - Engine Rough Idling - AutoCodes.com — P1605 2016 Toyota RAV4 Code - Engine Rough Idling

What does this mean?

What are the Possible Causes of the DTC P1605 2016 Toyota RAV4?

Air Leak in Intake System
Faulty Mass Air Flow (MAF) sensor
Faulty Engine Coolant Temperature Sensor
Faulty Fuel Pump
Faulty Throttle Body Assembly
Faulty Engine Control Module (ECM)

How to Fix the DTC P1605 2016 Toyota RAV4?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1605 2016 Toyota RAV4 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1605 2016 Toyota RAV4 code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1605 2016 Toyota RAV4 Code

1. What are the common symptoms of OBDII code P1605 in a 2016 Toyota RAV4?

- Engine rough idling, hesitation, and potential stalling are common symptoms associated with code P1605.

2. What can cause the OBDII code P1605 in a 2016 Toyota RAV4?

- The P1605 code in a 2016 Toyota RAV4 is often triggered by a malfunction in the engine control module (ECM).

3. How can I diagnose the issue causing OBDII code P1605 in my 2016 Toyota RAV4?

- To diagnose the P1605 code, it is recommended to perform a thorough inspection of the ECM wiring and connections for any signs of damage or corrosion.

4. Can a dirty or faulty throttle body lead to OBDII code P1605 in a 2016 Toyota RAV4?

- Yes, a dirty or faulty throttle body can cause irregular idling and potentially trigger code P1605 in a 2016 Toyota RAV4.

5. What are some repair tips for resolving OBDII code P1605 in a 2016 Toyota RAV4?

- Repairing or replacing the ECM, addressing any wiring issues, and cleaning or replacing the throttle body are common steps to resolve the P1605 code.

6. Is it safe to continue driving my 2016 Toyota RAV4 with OBDII code P1605?

- It is not recommended to drive the vehicle with code P1605 as it can lead to further engine issues and potentially unsafe driving conditions.

7. Can a malfunctioning oxygen sensor trigger OBDII code P1605 in a 2016 Toyota RAV4?

- While less common, a malfunctioning oxygen sensor can sometimes contribute to irregular idling and trigger code P1605 in a 2016 Toyota RAV4.

8. How long does it typically take to repair OBDII code P1605 in a 2016 Toyota RAV4?

- The repair time for code P1605 can vary depending on the exact cause of the issue, but it usually takes a few hours to diagnose and fix the problem.

9. Are there any DIY solutions for fixing OBDII code P1605 in a 2016 Toyota RAV4?

- DIY solutions for code P1605 are limited due to the complexity of the ECM and throttle body components involved. It is recommended to seek professional help for proper diagnosis and repair.

10. Will resetting the ECM clear OBDII code P1605 in a 2016 Toyota RAV4?

- Resetting the ECM may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It's crucial to diagnose and repair the cause of the P1605 code.