Ignition Coil & Spark Plug Replacement in Dallas, TX

Ignition Coil & Spark Plug Replacement for Dallas drivers

Dallas stop-and-go traffic and short trips are hard on ignition coils and plugs, and you'll feel a misfire when you merge onto I-35E or LBJ. If your check engine light is flashing, ease off and book soon. We find the cylinder and replace coils and plugs at your Dallas home, and you'll need the fix for Dallas County emissions anyway.

Dallas traffic is hard on cars. Stop-and-go on LBJ, Central and I-35E, long idles in summer heat, and a lot of short trips around town all add wear. Many Dallas drivers park in apartment garages, on the street or in shared lots, so we confirm a workable spot before we head out.

Signs of a misfire

Engine shakes or stumbles at idle or under acceleration
Flashing check engine light
Codes P0300 to P0308
Loss of power or hesitation when merging
Worse fuel mileage
Smell of raw fuel from the exhaust

Rise High mobile mechanic working on a vehicle in Dallas, TX

What we do on a mobile misfire repair visit

Find the cylinder

We read misfire data to find which cylinder is missing and test whether it's the coil, plug, injector or a vacuum leak.

Ignition coils

We replace failed coils, and tell you if the others are near the end of their life too.

Spark plugs

We install the correct plugs, gapped and torqued to spec, which is important on aluminum heads.

Verify the fix

We clear the codes and test-drive to confirm the misfire is gone.

When a shop is the better choice

Rear spark plugs on some transverse V6 engines require removing the intake manifold, which takes longer. A misfire from low compression points to internal engine trouble that needs a shop.

What it costs in Dallas

Diagnostic Visit: $150

A $50 non-refundable deposit to book and $100 when the diagnosis is complete. Best when you're not sure what's wrong.

Repair Visit: $50 + parts & labor

Booking and travel fee, plus parts and labor. Get an instant repair price from your VIN on our Get a Quote page.

Where we work in Dallas

Areas: Lake Highlands, Lakewood, Oak Cliff, Uptown, Preston Hollow, Far North Dallas, Pleasant Grove, Bishop Arts, White Rock, Kessler

Roads we cover: I-35E, I-30, I-635 (LBJ Freeway), US-75 (Central Expressway), I-45, Dallas North Tollway, Loop 12

Ignition Coil & Spark Plug Replacement in Dallas: questions

Is it safe to drive with a flashing check engine light?

Drive as little as possible. A flashing light usually means a misfire is sending unburned fuel into the catalytic converter, which can overheat and destroy it.

Coil or spark plug: which is bad?

We can swap the coil to another cylinder and see if the misfire follows it. That tells us whether the coil or the plug is the problem.

Can you replace spark plugs at my home in Dallas?

Yes. Coils and plugs are well suited to mobile service in your Dallas driveway or work lot.

What does misfire repair cost?

If you don't know the cause, start with the $150 diagnostic visit. Repairs are a $50 booking and travel fee plus parts and labor, quoted before we start.