my Toyota Corolla E170 (2013-2019) shakes when I accelerate what could be wrong

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

579 words

Problem Statement

Learn how to diagnose and fix shaking during acceleration in the 2013-2019 Toyota Corolla E170. Step-by-step guide with symptoms and solutions.

Affected Component

Drivetrain

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Ensure the engine is cool before inspecting engine components.

Symptoms

•Vehicle shakes or vibrates when accelerating
•Unusual noise from the engine or drivetrain
•Loss of power during acceleration
•Check engine light illuminated
•Steering wheel vibration

Diagnostic Steps

1
Scan the vehicle's OBD-II system for error codes to identify any underlying issues.
2
Inspect engine and transmission mounts for wear or damage.
3
Check tire balance and alignment to rule out wheel-related issues.
4
Examine the driveshaft and CV joints for any signs of wear or damage.
5
Inspect the spark plugs and ignition system for misfires or poor performance.
6
Test the fuel system for proper pressure and delivery.

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
•Socket set
•Tire pressure gauge
•Jack and jack stands

Parts Required

•Engine and transmission mounts (if damaged)
•Spark plugs (if worn)
•CV joints or driveshaft (if damaged)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for error codes to identify any underlying issues.
2
Inspect engine and transmission mounts for wear or damage.
3
Check tire balance and alignment to rule out wheel-related issues.
4
Examine the driveshaft and CV joints for any signs of wear or damage.
5
Inspect the spark plugs and ignition system for misfires or poor performance.
6
Test the fuel system for proper pressure and delivery.

Solution

1. Preparation

Gather tools and materials: OBD-II scanner, socket set, tire pressure gauge, jack and jack stands.
Ensure the vehicle is parked on a level surface and the engine is off.

2. Address Engine and Transmission Mounts

Sub-step 1: Lift the vehicle using a jack and secure it with jack stands.
Sub-step 2: Visually inspect the engine and transmission mounts for cracks or excessive wear.
Sub-step 3: If damaged, remove the old mounts using a socket set and replace them with new ones, tightening bolts to manufacturer specifications (usually around 50-70 ft-lbs).

3. Check and Balance Tires

Sub-step 1: Inspect tire condition for uneven wear or damage.
Sub-step 2: Measure tire pressure and adjust to the recommended PSI.
Sub-step 3: If tires are unbalanced, have them balanced at a tire shop.

4. Inspect Driveshaft and CV Joints

Sub-step 1: Examine the driveshaft for any bent sections or damaged components.
Sub-step 2: Check CV joints for tears in the rubber boots or excessive play.
Sub-step 3: Replace any damaged driveshaft or CV joint parts as necessary.

5. Check Ignition System

Sub-step 1: Remove spark plugs and inspect for wear or carbon buildup.
Sub-step 2: Replace any faulty spark plugs with OEM or equivalent parts, ensuring a torque of about 13-15 ft-lbs.
Sub-step 3: Inspect ignition coils for proper function and replace if necessary.

6. Test Fuel System

Sub-step 1: Connect a fuel pressure gauge to the fuel rail and turn the ignition to the "ON" position (do not start).
Sub-step 2: Check that the fuel pressure is within manufacturer specifications (typically around 43-50 psi).
Sub-step 3: If pressure is low, check the fuel pump and filter for blockages or failures.