my Toyota Corolla E170 (2013-2019) has a hard starting issue what can I check

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

631 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 hard starting issues in Toyota Corolla E170 (2013-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems

Symptoms

•Engine cranks slowly or not at all
•Engine takes multiple attempts to start
•Dashboard warning lights may illuminate
•Fuel smell during starting attempts
•Battery warning light may be on
•No response when turning the ignition key

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Check battery voltage with a multimeter to ensure it’s within acceptable limits (12.6 volts or higher)
3
Inspect battery terminals and cables for corrosion or loose connections
4
Test the starter motor by bypassing it to see if it engages properly
5
Check fuel system pressure using a fuel pressure gauge to ensure the fuel pump is supplying adequate pressure
6
Inspect the ignition system by checking spark plugs and ignition coils for wear or damage

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
•Fuel pressure gauge
•Torque wrench
•Wire brush

Parts Required

•Battery (if defective)
•Starter motor (if defective)
•Spark plugs (if worn)
•Ignition coils (if faulty)

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 any diagnostic trouble codes (DTCs)
2
Check battery voltage with a multimeter to ensure it’s within acceptable limits (12.6 volts or higher)
3
Inspect battery terminals and cables for corrosion or loose connections
4
Test the starter motor by bypassing it to see if it engages properly
5
Check fuel system pressure using a fuel pressure gauge to ensure the fuel pump is supplying adequate pressure
6
Inspect the ignition system by checking spark plugs and ignition coils for wear or damage

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety during the repair.
Tools Required: OBD-II scanner, multimeter, socket set, fuel pressure gauge, torque wrench.

2. Battery Inspection and Replacement

Sub-step 1: Remove the negative terminal from the battery to prevent electrical shorts.
Sub-step 2: Inspect the battery for physical damage and test the voltage. Replace the battery if it reads below 12.4 volts.
Sub-step 3: Clean battery terminals using a wire brush and reconnect securely.
Sub-step 4: If replacing, install the new battery and tighten terminals to manufacturer specifications (typically 10-15 ft-lbs).

3. Starter Motor Testing and Replacement

Sub-step 1: Access the starter motor, usually located near the transmission.
Sub-step 2: Disconnect the electrical connector and remove the mounting bolts.
Sub-step 3: Test the starter motor by connecting it directly to the battery. If it does not engage, replace the starter.
Sub-step 4: Install the new starter motor, ensuring proper alignment and torque the mounting bolts to specifications.

4. Fuel System Check and Repair

Sub-step 1: Connect the fuel pressure gauge to the fuel rail and turn the ignition to the ON position without starting the engine.
Sub-step 2: Check that the fuel pressure meets specifications (typically around 35-50 psi for Corolla).
Sub-step 3: If pressure is low, inspect the fuel pump and replace if necessary.
Sub-step 4: Reassemble any removed components and ensure there are no fuel leaks.

5. Ignition System Inspection

Sub-step 1: Remove the spark plugs using a socket set.
Sub-step 2: Inspect spark plugs for wear; replace if necessary (typically replace every 30,000-60,000 miles).
Sub-step 3: Test ignition coils with a multimeter for proper resistance. Replace any faulty coils.
Sub-step 4: Reinstall spark plugs, ensuring proper torque (typically 13-15 ft-lbs).