FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Genesis/G70/IG (2017-2023)/why does my Genesis G70 engine light come on after oil change

why does my Genesis G70 engine light come on after oil change

Genesis G70 IG (2017-2023)

Severity: mediumDifficulty: medium1-2 hours
3 min read
559 words

Problem Statement

Learn why the check engine light comes on after an oil change in Genesis G70. Follow our diagnostic steps and solutions to resolve the issue.

Component
Engine
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening the oil fill cap or drain plug.

Symptoms

  • •Check engine light illuminated
  • •Possible oil leak under the vehicle
  • •Engine runs rough or has a fluctuating idle
  • •Oil pressure warning light activated
  • •Unusual engine noises (knocking or ticking)

Diagnostic Steps

  1. 1Scan the vehicle's OBD-II system for error codes using an OBD-II scanner.
  2. 2Check the engine oil level to ensure it is at the correct level after the oil change.
  3. 3Inspect the oil filter for proper installation and any signs of leaks.
  4. 4Examine the oil drain plug for proper torque and signs of leaks.
  5. 5Verify that the correct oil type and viscosity were used during the oil change.
  6. 6Inspect the air intake system for any disconnections or leaks that may have occurred during service.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
  • Disconnect the negative battery terminal to prevent electrical issues.

2. Inspect and Tighten Components

  • Oil Filter:

    • Use an oil filter wrench to remove the oil filter if leaks are detected.
    • Check the rubber O-ring on the new filter; replace if damaged.
    • Install a new oil filter, tightening it according to manufacturer specifications (usually hand-tight plus a quarter turn).
  • Oil Drain Plug:

    • Using a socket set, check the torque on the oil drain plug. It should be tightened to the manufacturer's specification (typically around 25-30 ft-lbs).
    • If leaks are present, replace the washer on the drain plug.

3. Refilling Engine Oil

  • If the oil level is low, add the recommended oil type and viscosity for the Genesis G70.
  • Use a funnel to prevent spills and ensure the correct quantity as specified in the owner’s manual.

4. Reconnect Battery and Clear Codes

  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear any stored error codes from the vehicle's computer.

5. Test Drive

  • Start the engine and allow it to idle for a few minutes.
  • Check for any leaks under the vehicle while the engine is running.
  • Take the vehicle for a short test drive to ensure the check engine light does not reappear.

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
  • Oil filter wrench
  • Socket set
  • Torque wrench
  • Funnel

Parts Required

  • Oil filter (if leaks were found)
  • Engine oil (correct type and quantity)

Additional Information

Component

Engine

Repair Time

1-2 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

2 items

Related Faults

Discover similar issues

  1. my Genesis G70 AC compressor is making noise, what's wrong

    Learn how to diagnose and fix AC compressor noise in Genesis G70. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:HVAC
    Symptoms
    • •Unusual grinding or squealing noise from the AC compressor
    • •Intermittent cooling or lack of cold air from the AC
    • +{count} more
  2. why does my Genesis G70 stall while driving

    Learn how to diagnose and fix stalling issues in Genesis G70. Step-by-step guide with symptoms, diagnostic steps, tools, and repair instructions.

    Component:Engine
    Symptoms
    • •Engine stalls unexpectedly during driving
    • •Difficulty restarting the engine after stalling
    • +{count} more
  3. how to tell if my Genesis G70 fuel pump is failing

    Learn how to diagnose and fix fuel pump failure in Genesis G70. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Component:Fuel System
    Symptoms
    • •Check engine light illuminated
    • •Engine sputtering or misfiring
    • +{count} more
  4. why does my Genesis G70 hesitate when I press the gas

    Learn how to diagnose and fix hesitation issues in Genesis G70. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Engine
    Symptoms
    • •Hesitation or lag in acceleration
    • •Engine stalling during acceleration
    • +{count} more
  5. why does my Genesis G70 lose acceleration on hills

    Learn how to diagnose and fix loss of acceleration in Genesis G70 when driving uphill. Step-by-step guide with diagnostic procedures and repair instru...

    Component:Fuel System
    Symptoms
    • •Noticeable decrease in engine power while climbing hills
    • •Engine revs higher without corresponding acceleration
    • +{count} more
  6. why does my Genesis G70 have excessive engine noise at startup?

    Learn how to diagnose and fix excessive engine noise at startup in Genesis G70. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Engine
    Symptoms
    • •Loud knocking or tapping noise from the engine
    • •Noise persists for several seconds after startup
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation