why does my Ford Explorer's engine shake at idle what can I do

Solution

1. Preparation

• Gather tools: OBD-II scanner, socket set, torque wrench, fuel pressure gauge, vacuum gauge, screwdrivers.
• Ensure the vehicle is parked on a level surface, and the engine is cool.

2. Addressing Engine Mounts

• Step 1: Remove any covers obstructing access to the engine mounts.
• Step 2: Inspect the engine mounts for cracks or separation. If damaged, proceed to replace them.
• Step 3: To replace, support the engine with a jack or engine hoist.
• Step 4: Remove the bolts securing the damaged mount using a socket set.
• Step 5: Install the new mount and torque the bolts to the manufacturer's specifications (usually around 45-60 ft-lbs).
• Step 6: Reinstall any covers removed during the process.

3. Replacing Spark Plugs and Ignition Coils

• Step 1: Remove the ignition coil cover if applicable.
• Step 2: Disconnect the electrical connectors from the ignition coils.
• Step 3: Remove the ignition coils using a socket set.
• Step 4: Remove the old spark plugs using a spark plug socket.
• Step 5: Install new spark plugs, ensuring they are gapped to the manufacturer's specifications (usually 0.054-0.056 inches).
• Step 6: Reinstall the ignition coils and connectors, ensuring a secure fit.

4. Cleaning the Throttle Body and IAC Valve

• Step 1: Remove the air intake duct to access the throttle body.
• Step 2: Use throttle body cleaner and a clean cloth to wipe down the interior of the throttle body.
• Step 3: Remove the idle air control (IAC) valve, if applicable, and clean it with the throttle body cleaner.
• Step 4: Reinstall the IAC valve and air intake duct.