What it might mean

• Active misfire (can cause expensive damage if ignored)
• Ignition/fuel/air problem that needs testing ASAP

What to do now

• Avoid hard acceleration and reduce speed
• If it’s running rough: pull over safely and turn it off

Don’t drive if

• The light continues flashing, the engine is shaking, or it’s stalling

How Ohio Auto & Truck Center can help

• We’ll run check engine / drivability diagnostics and confirm the root cause. We’ll share our Digital Vehicle Inspection with you so you see exactly what we have discovered.

What it might mean

• Emissions/sensor issue
• Loose gas cap (sometimes)
• Small drivability issue starting to develop

What to do now

• Schedule diagnostics soon—small issues are cheaper early

Don’t drive if

• It starts running rough, overheating, or the light begins flashing

We can help with
Check engine light / drivability diagnostics + electrical troubleshooting.

What it might mean

• Rotors worn/uneven
• Brake pads worn or overheating
• Suspension/steering wear that shows up under braking

What to do now

• Increase following distance and avoid hard stops

Don’t drive if

• The shaking is severe or braking feels weak

We can help with
Brake inspection, pad/rotor measurement, and safe repair recommendations.

Related service: Brake pads & rotors • Calipers • ABS diagnosis

What it might mean

• Pads worn down to metal
• Rotor damage
• Debris contacting brake hardware

What to do now

• Treat grinding as urgent—this can escalate fast

Don’t drive if

• Stopping distance increases or you feel vibration + grinding together

We can help with
Brake pads & rotors, calipers, and brake fluid service as needed.

What it might mean

• Normal dust/moisture (sometimes)
• Worn pads or glazed pads/rotors
• Hardware or caliper issues

What to do now

• Note if it happens only in the morning or all the time

Don’t drive if

• Squeak becomes grinding, or braking performance changes

We can help with
Brake inspection + pad/rotor service.

What it might mean

• Brake fluid contamination or air in the lines
• Worn brake components
• Possible leak (needs attention)

What to do now

• Test at low speeds in a safe place

Don’t drive if

• Pedal sinks near the floor or stopping power feels reduced

We can help with
Brake fluid flush + brake system inspection.

What it might mean

• Wheel speed sensor issue
• ABS module/communication issue
• Low voltage event (battery/charging can contribute)

What to do now

• Brakes may still work, but ABS may not activate in emergencies

Don’t drive if

• Brake warning light is also on or braking feels unsafe

We can help with
ABS diagnosis + battery/charging tests if needed.

What it might mean

• Sticking caliper
• Uneven brake wear
• Tire/alignment contributing

What to do now

• Note direction (pulls left vs right)

Don’t drive if

• Pull is strong or braking feels unpredictable

We can help with
Brake inspection + alignment/tire evaluation.

What it might mean

• Tires out of balance
• Tire wear/flat spot
• Bent wheel or suspension wear

What to do now

• Check tire pressure and visible tire damage

Don’t drive if

• Vibration is severe or accompanied by humming/grinding

We can help with
Tire install/balance, flat repair, alignment, and suspension checks.

What it might mean

• Tire balance or tire condition issue
• Alignment problem
• Suspension or wheel bearing wear

What to do now

• Note if it changes when accelerating vs coasting

Don’t drive if

• It suddenly starts and gets worse quickly

We can help with
Road test + tire/balance/alignment inspection.

What it might mean

• Alignment issue
• Tire pressure imbalance
• Tire wear pattern

What to do now

• Check tire pressure on all four tires

Don’t drive if

• Pull becomes sudden/severe or steering feels unsafe

We can help with
Alignments + steering/suspension repairs.

What it might mean

• Tie rods/ball joints/control arms
• Sway bar links
• Other front-end wear

What to do now

• Note which direction triggers it more

Don’t drive if

• Steering feels loose or unstable

We can help with
Steering & suspension repairs (control arms, ball joints, tie rods, sway bar links).

What it might mean

• Worn shocks/struts
• Bushings or joints wearing out
• Loose suspension components

What to do now

• Note if it’s front or rear

Don’t drive if

• You also feel bouncing, drifting, or poor control

We can help with
Suspension inspection + shocks/struts and alignment if needed.

What it might mean

• Shocks/struts worn out

What to do now

• Avoid high speeds if handling feels “floaty”

Don’t drive if

• The vehicle feels unstable in turns or braking

We can help with
Shocks/struts + suspension inspection.

What it might mean

• Weak battery
• Starter issue
• Connection/corrosion at terminals

What to do now

• If safe, check terminals for looseness/corrosion
• Try a jump start once

Don’t drive if

• It starts but dies shortly after (charging system issue possible)

We can help with
Battery/starting/charging tests + electrical troubleshooting.

What it might mean

• Low battery power
• Starter or wiring concern

What to do now

• Jump start test; if it still clicks, schedule testing

We can help with
Battery/starting/charging tests

What it might mean

• Battery aging
• Something staying on (parasitic draw)
• Charging issue

What to do now

• Note any recent electrical work or new accessories

We can help with
Battery/charging test + electrical troubleshooting.

What it might mean

• Low refrigerant (leak)
• Compressor or electrical problem

What to do now

• If it starts cold then turns warm, note how long it takes

We can help with
A/C recharge & leak checks, compressor/condenser/evaporator repairs.

What it might mean

• Low coolant
• Thermostat issue
• Cooling system problem

What to do now

• Only check coolant when engine is cool

Don’t drive if

• Temperature gauge rises or you see overheating

We can help with
Cooling system inspection (radiator, water pump, thermostat).

What it might mean

• Thermostat stuck
• Cooling fan not operating
• Water pump, radiator, or coolant flow issue

What to do now

• Turn off A/C, turn heat on, and pull over safely before it reaches the red

Don’t drive if

• It overheats repeatedly or you see steam

We can help with
Radiators, water pumps, thermostats, belts & hoses, leak diagnosis.

What it might mean

• Hose leak
• Radiator leak
• Water pump leak

What to do now

• Don’t ignore it! Low coolant can cause overheating fast

Don’t drive if

• Temperature rises or coolant is pouring out

We can help with
Leak diagnosis + cooling system repairs.

What it might mean

• Gasket/seal leak
• Oil filter housing/drain plug issue
• Other engine leak sources

What to do now

• Check oil level (Turn engine off, get on level ground)

Don’t drive if

• Oil light turns on or level is very low

We can help with
Leak diagnosis (oil/coolant) + repair.

What it might mean

• Brake overheating
• Fluid leak contacting hot components
• Belt slipping

What to do now

• Note what it smells like (burnt toast vs chemical) and when it happens

Don’t drive if

• Smoke is present or smell is strong and sudden

We can help with:
Brake inspection + leak diagnosis + belts/hoses inspection.