my Ford Explorer Fifth Generation (2011-2019) has a hard time starting in winter, what should I do?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

556 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 winter starting issues in Ford Explorer 2011-2019. 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 components.
•Allow the engine to cool before opening the oil drain plug.

Symptoms

•Engine cranks slowly or not at all
•Dash warning lights flicker or dim
•Battery warning light illuminated
•Extended cranking time before starting
•Rough idle or stalling after starting
•Reduced power or sluggish performance upon acceleration

Diagnostic Steps

1
Check the battery voltage using a multimeter; confirm it is above 12.4 volts for a healthy charge.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the battery's cold cranking amps (CCA) to ensure it meets specifications for winter conditions.
4
Check fuel system operation, including fuel pump and fuel filter integrity.
5
Inspect the engine oil viscosity; ensure it's appropriate for cold temperatures.
6
Scan for any stored trouble codes using an OBD-II scanner.

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

•Multimeter
•Socket set
•Battery terminal cleaner
•Oil drain pan
•Torque wrench

Parts Required

•New battery (if needed)
•New fuel filter (if needed)
•Engine oil (appropriate for winter)

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Diagnostic Steps

1
Check the battery voltage using a multimeter; confirm it is above 12.4 volts for a healthy charge.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the battery's cold cranking amps (CCA) to ensure it meets specifications for winter conditions.
4
Check fuel system operation, including fuel pump and fuel filter integrity.
5
Inspect the engine oil viscosity; ensure it's appropriate for cold temperatures.
6
Scan for any stored trouble codes using an OBD-II scanner.

Solution

1. Battery Inspection and Replacement

Preparation
- Gather tools: socket set, multimeter, battery terminal cleaner, safety gloves.
- Ensure the vehicle is in park with the ignition off.
Remove the Battery
- Disconnect the negative terminal first, then the positive terminal.
- Remove the battery hold-down bracket and carefully lift the battery out.
Inspect and Clean Terminals
- Use a battery terminal cleaner to remove any corrosion from the terminals.
- Recheck terminal connections for tightness and integrity.
Test or Replace Battery
- If voltage is low or CCA is insufficient, replace the battery with a new one rated for winter performance.
- Install the new battery by reversing the removal process: connect positive terminal first, then negative.

2. Fuel System Check

Fuel Pump Test
- Turn the ignition key to the "ON" position (not starting) to activate the fuel pump; listen for a humming sound.
- If no sound is heard, check the fuel pump relay and fuses.
Replace Fuel Filter
- If the fuel filter is clogged, replace it according to the manufacturer's specifications.

3. Engine Oil Change

Check Oil Level and Type
- Use the dipstick to check oil level; top off if low.
- Ensure oil is suitable for winter conditions (5W-20 or 0W-20 recommended).
Change Oil If Necessary
- Drain the old oil using an oil drain pan.
- Replace oil filter, then refill with appropriate new oil.