my Toyota Corolla E170 (2013-2019) struggles to start what could be wrong

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

509 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix starting issues in the 2013-2019 Toyota Corolla E170. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening components related to the fuel system.

Symptoms

•Check engine light illuminated
•Engine cranks slowly or not at all
•Clicking sound when turning the key
•Dashboard lights dim or flicker
•Fuel smell when attempting to start
•Rough engine start followed by stalling

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential fault codes.
2
Check the battery voltage and connections for corrosion or looseness.
3
Inspect the starter motor and relay for proper operation.
4
Verify fuel pump operation by listening for the pump's sound when turning the ignition on.
5
Test the ignition system components, including spark plugs and ignition coils.
6
Check for any fuel leaks or blockages in the fuel lines.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Wire brush
•Torque wrench

Parts Required

•Battery (if needed)
•Starter motor (if needed)
•Fuel pump (if needed)
•Spark plugs (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential fault codes.
2
Check the battery voltage and connections for corrosion or looseness.
3
Inspect the starter motor and relay for proper operation.
4
Verify fuel pump operation by listening for the pump's sound when turning the ignition on.
5
Test the ignition system components, including spark plugs and ignition coils.
6
Check for any fuel leaks or blockages in the fuel lines.

Solution

1. Preparation

Gather tools and parts.
Disconnect the battery to ensure safety.
Allow the engine to cool if it was running recently.

2. Inspect and Replace Battery

Sub-steps:
1. Remove the battery terminal connections (negative first, then positive).
2. Clean the battery terminals with a wire brush.
3. Test the battery with a multimeter; replace if voltage is below 12.4V.
4. Install a new battery (if needed) and reconnect terminals securely.

3. Check and Replace Starter Motor

Sub-steps:
1. Locate the starter motor (typically near the engine block).
2. Disconnect electrical connections to the starter.
3. Remove the mounting bolts using a socket set.
4. Replace with a new starter motor, ensuring proper alignment.
5. Reconnect electrical connections and test starter operation.

4. Inspect Fuel System

Sub-steps:
1. Locate the fuel pump relay and check for functionality.
2. If faulty, replace the relay.
3. Inspect the fuel pump by removing it from the tank (if necessary).
4. Replace the fuel pump if it does not operate or is damaged.

5. Check Ignition System

Sub-steps:
1. Remove the spark plugs and inspect for wear or fouling.
2. Replace worn or damaged spark plugs with OEM parts.
3. Inspect ignition coils for cracks or damage; replace if needed.