Rough idle or shaking
A misfire can come from plugs, coils, injectors, air leaks, fuel delivery, compression, or control faults.
A&A Quick Fix Auto Repair provides spark plug and ignition-system diagnosis in Brooklyn for drivers experiencing misfires, rough idle, hard starts, hesitation, weak acceleration, or overdue maintenance. We confirm the vehicle specification and underlying cause, explain the appropriate repair and estimate, and begin work only after customer approval.
Worn or incorrect spark plugs can cause poor combustion, but coils, injectors, vacuum leaks, compression, oil or coolant contamination, wiring, and fuel-delivery problems can create similar symptoms. A fault code identifies the affected event or circuit; it does not automatically identify the failed part.
Call with the year, make, model, mileage, warning-light behavior, and when the symptom occurs.
Walk-ins are welcome. Depends on diagnosis, vehicle design, access, approved repair scope, parts availability, and the current shop schedule.
| Business | A&A Quick Fix Auto Repair, a New York State DMV registered repair shop and inspection station |
|---|---|
| NYS DMV Facility # | 7132360 |
| Service | Spark plug and ignition diagnosis and replacement after the vehicle specification and cause of the symptom are confirmed |
| Common concerns | Misfire, rough idle, hard starting, hesitation, poor acceleration, increased fuel use, check-engine light, or overdue plug service |
| What we check | Fault information, plug condition and gap, coils and boots, wiring, contamination, fuel and air clues, compression indicators, and vehicle maintenance requirements |
| Vehicle scope | Passenger vehicles, commercial vans, and light trucks; the exact repair is confirmed for the individual vehicle |
| Timeline | Depends on diagnosis, vehicle design, access, approved repair scope, parts availability, and the current shop schedule |
| Walk-ins | Welcome; call for current availability and guidance if the vehicle cannot be driven safely |
| Languages | English, Spanish, and Arabic; ask for a Spanish-speaking mechanic when available |
These symptoms guide inspection, but no single symptom proves which part failed.
A misfire can come from plugs, coils, injectors, air leaks, fuel delivery, compression, or control faults.
A flashing light can indicate an active misfire that may damage the catalytic converter. Reduce driving and ask for guidance.
Plug wear may contribute, but battery speed, fuel pressure, sensor input, temperature, and engine condition also matter.
Ignition demand rises during acceleration, which can reveal worn plugs or weak coils, but fuel and airflow faults may overlap.
Incomplete combustion can increase fuel use, while tire, brake, sensor, driving, and engine conditions can create similar changes.
Replacement intervals vary by plug type, engine, and manufacturer schedule. The correct application and service history should be confirmed.
An active misfire can overheat and damage the catalytic converter. If the light flashes, the engine shakes severely, or power drops sharply, pull over safely and call before continuing. Call (718) 788-1148 for guidance.
Misfire diagnosis separates maintenance needs from failures that would damage new plugs.
Wear, incorrect gap, cracks, deposits, and application are compared with mileage and vehicle requirements.
Coils, boots, connectors, grounds, and wiring can fail under load or allow spark to leak.
Injector operation, vacuum leaks, compression, contamination, and timing-related conditions may create the same misfire.
We ask when the misfire occurs, whether the light flashes, mileage, prior plug service, and recent repairs.
Codes and relevant data help identify the affected cylinder or condition without treating a code as a parts order.
We examine accessible plugs, coils, boots, connectors, contamination, and application details as needed.
Fuel, air, compression, wiring, and engine-condition clues are considered when the evidence points beyond the plug.
We identify the confirmed maintenance or repair need, provide an estimate, and obtain approval.
Correct plugs are installed to the vehicle specification, related approved work is completed, and the original symptom is rechecked.
The cylinder and operating condition help narrow the path.
| What the driver notices | Possible diagnostic paths | Why the check matters |
|---|---|---|
| Misfire at idle | Plug, coil, injector, vacuum leak, compression | Compare ignition, fuel, air, and mechanical evidence. |
| Misfire under acceleration | Plug gap, coil output, fuel pressure, injector, load input | Test the fault under the condition that triggers it. |
| Oil on spark plug | Tube seal, engine wear, ventilation, installation residue | Identify where the oil came from before installing parts. |
| One cylinder code | Plug, coil, injector, wiring, compression | Swap or test components only when the method supports a conclusion. |
| Multiple-cylinder misfire | Fuel quality, air leak, sensor, timing, pressure, ignition supply | Look for a cause shared across cylinders. |
| No symptom but interval due | Vehicle schedule, plug type, mileage, service record | Confirm the exact application and maintenance need. |
Use the correct plug specification, correct the confirmed cause, and verify that the misfire or maintenance concern is resolved.
We service passenger vehicles, commercial vans, and light trucks. Vehicle design, access, components, and procedures differ by application.
BMW, Mercedes-Benz, Volkswagen, Audi, Volvo, MINI, and other European vehicles may use direct injection, turbocharging, specific heat ranges, and tightly packaged coils and plugs.
Honda, Toyota, Nissan, Subaru, Mazda, Lexus, Acura, Infiniti, Hyundai, Kia, and other Asian makes require engine-specific plug type, gap, torque, and interval review.
Ford, Chevrolet, GMC, Jeep, RAM, Dodge, Chrysler, and other domestic vehicles are evaluated for plug condition, coil design, cylinder access, and engine-specific misfire patterns.
A&A Quick Fix Auto Repair is at 889 3rd Ave in Sunset Park, near the Greenwood Heights border. Use the approved area links below to confirm the shop location and related local information.
Two mechanics speak Spanish. Ask for a Spanish-speaking mechanic when available so you can discuss the symptoms, diagnosis, estimate, and approved repair more comfortably.
If your search started with “auto repair near me” but your immediate concern is a misfire, rough idle, or overdue spark plugs, use the directions button to confirm the route to 889 3rd Ave.
Hours: Monday-Friday 8 AM-6 PM | Saturday 8 AM-3 PM | Sunday closed
Misfires, rough idle, hard starts, hesitation, reduced power, or an overdue maintenance interval may justify inspection, but they do not prove the plugs failed.
No. Plugs are one possible cause. Coils, injectors, air leaks, wiring, compression, and fuel delivery can set similar codes.
Limit driving and call. A flashing light can indicate an active misfire that may damage the catalytic converter.
No. Material, heat range, design, gap, torque, and service interval vary by engine. The exact application matters.
Only when testing, condition, application, or an approved maintenance strategy supports it. We do not automatically replace good coils.
The estimate depends on engine design, plug specification, access, quantity, contamination, related faults, and approved scope.
Timing depends on engine access, diagnosis, related approved work, parts availability, and the current shop schedule.
A&A Quick Fix provides spark plug and misfire diagnosis at 889 3rd Ave in Sunset Park.




















































We Service Foreign & Domestic Cars