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Welcome to A1 Auto Mechanics & Smog,
your car service in Costa Mesa, CA!

Serving Newport Beach, Irvine, Santa Ana, Huntington Beach, Lake Forest, Mission Viejo, Anaheim, Laguna Beach, San Clemente

If you’re looking for auto repair in Costa Mesa, CA, you’ve found us. Here at A1 Auto Mechanics & Smog we work hard to earn your trust and loyalty. We know how important it is to find a Costa Mesa car service you can rely on, so your satisfaction is our top priority each and every day.

Here at A1 Auto Mechanics & Smog we understand what makes customer service truly outstanding. You will feel the difference exceptional customer care makes when you work with us. We know auto repair in Costa Mesa offers you lots of choices, and we aim to provide the kind of caring customer service that will bring you back.

Our professional automotive service offers you years of combined expertise from our well-trained technicians. We treat our auto repair professionals well because we value their skill and can-do attitude. We know our team sets us apart, saving you time and money, not to mention worry. When it comes to auto repair in Costa Mesa, we are totally confident that A1 Auto Mechanics & Smog is the best option in town!

Serving Newport Beach, Irvine, Santa Ana, Huntington Beach, Lake Forest, Mission Viejo, Anaheim, Laguna Beach, San Clemente

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Certifications

About A1 Auto Mechanics & Smog Costa Mesa, CA

A1 Auto Mechanics & Smog services all makes and models from oil changes to complicated diagnostic and repairs, we do it all! In addition to providing the highest quality automotive repair service on your vehicle, our top priority is customer satisfaction. We strive to make every customer experience your best auto shop experience ever.

Smog Check • Smog Inspections • Suspension Service • Brake Services • Brake Repairs • Brake Replacement • A/C Compressor Service • A/C Service and more…
View All of Our Services

We are located at

2945 Randolph Ave Costa Mesa, CA 92626

Conveniently located near the 405, 55 and 73 freeways.

We are your dealership alternative shop without the dealership prices.

The A1 Auto Mechanics & Smog team has over 25 years of combined experience in the automotive industry. There is no bigger thrill to us than the opportunity to work on the cars we love!

Are you ready to experience the best Costa Mesa, CA car service available? Please give us a call or make an appointment here.

The Absolute Best Car Service in Costa Mesa, CA

What sets A1 Auto Mechanics & Smog apart from all of the others in Costa Mesa, CA?

Trust: When it comes to auto repair in Costa Mesa, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.

Talent: At A1 Auto Mechanics & Smog, you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the Costa Mesa auto repair table.

Time: We take the time we need to provide you with top quality car service in Costa Mesa, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.

Recently Serviced Vehicles

2018 Mazda 3

Mazda 3

Mileage
34,217
Service Date
9/19/2023
Services Performed
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • Technician performed multipoint visual inspection ,checked fluids, Belt, Battery condition, tire pressure, brakes and oil. The customer complained of the wrench light is on, that is due to time for an oil and filter change. Our tech checked there is no oil leake, or unusal sound or noise from the engine or transmission, brakes & tires are good, air filters are good, Needs only an oil and filter change, with customer approval, our tech changed FULL Synthetic oil and filter, adjusted tires air pressure, topped off fluids, no problem now.
 
RENEE S. gave our service a 5 star review on 9/20/2023

2010 Mercedes-Benz S550

Mercedes-Benz S550

Mileage
76,362
Service Date
8/5/2023
Services Performed
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • REMOVE AND REPLACE
  • REPAIR AND RESTORE AND PAINT THE REAR BUMPER- LEFT SIDE AND THE QUARTER PANEL REAR – LEFT SIDE
 
ABBAS N. gave our service a 5 star review on 8/7/2023

2019 Dodge Charger

Dodge Charger

Mileage
121,633
Service Date
8/2/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked, tire pressuR, brakes and oil. Our technician test drove the vehicle and the customer complaint of noise and sound from the front lower control arms. Our tech determined and recomended to replace the lower front control arms, sway bar links and strut assembly with its tensioner. With customer's approval our technician ordered the parts. Our technicians got sick and i did not want the customer to wait any longer, So we had our neighbor, Costa Mesa Brakes and Tires to do the job for us as a sublet.
  • REMOVE AND REPLACE
  • Wheel Alignment- – Road test vehicle – Check all suspension & steering parts for wear – Check tire pressure & condition – Check riding height – Check alignment of all four wheels – Adjust caster, camber, toe-in, and thrust angle as needed on all four wheels, center ste
 
JOSH S. gave our service a 5 star review on 8/2/2023

2005 Jeep Grand Cherokee

Jeep Grand Cherokee

Mileage
84,277
Service Date
5/31/2023
Services Performed
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • Technician rotate all tires, re install wheel to vehicle and torque lug nuts to manufacturer's specifications.
  • REMOVE AND REPLACE
 
JACK C. gave our service a 5 star review on 6/3/2023

2013 Nissan Altima

Nissan Altima

Mileage
121,653
Service Date
5/22/2023
Services Performed
  • Technician performed multipoint visual inspection and determined / diagnosed that door handle is broken from inside and recommends replacing it. Customer gave us authorization to remove and replace it w/ a new one that we ordered ( special delivery).
  • DOOR HANDLE – Remove & Replace – [DOES NOT include refinishing (where applicable).] Sedan Front, Inner, Each
 
AMANDA D. gave our service a 5 star review on 5/22/2023

2010 Mercedes-Benz S550

Mercedes-Benz S550

Mileage
87,585
Service Date
5/18/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked fluids, Belt, Battery condition and charging system, and oil. Due to excessive codes of low voltage through out modules. Found alternator charge is below normal specs. 13.5 to 14.5 while running with all accessories on, alternator charge is 12.53 V. Our tech recommends replacing alternator. Also oil filter hosing gasket and oil cooler gasket and oil separator are leaking and need to be replaced. With customer authorization , tech removed and replaced alternator, oil filter housing and oil cooler gaskets and replaced oil separator. He added two quarts of coolant, retested the alternator after replacing and it shows good recharge, 14.78 V. Test drove the vehicle and no problem now. Customer also authorized us to buy, remove and replace the front, left fender liner. Our tech removed and replace it. The customer also requested to look at the "keyless go system" on the left front and rear doors. The rear is not working, seems like the sensors for keyless system have a malfunction. Request 3.5 hours for disassembly of door trim and check interior door circuitry. Our tech removed the doors interior trims and worked on Electrical of the doors. We could not fix what the problem is unless we order about $2000 worth of parts.
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • REMOVE AND REPLACE
  • REMOVE AND REPLACE
  • REMOVE AND REPLACE
  • REMOVE AND REPLACE
  • DOOR HANDEL- REMOVE AND REPLACE- BOTH-LEFT, FRONT AND REAR
 
ABBAS N. gave our service a 5 star review on 5/19/2023

2005 Saab 9-2X

Saab 9-2X

Mileage
169,520
Service Date
5/6/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked fluids, Belts & Battery. Customer complaint of noise when turning the A/C on, upon visual inspection noticed, the tensioner pulley for the A/C drive belt is sized, doesn't turn. Our tech recommends to replace tensioner pulley and drive belt and retest A/C functionality. With customer authorization, our technician removed and replaced both tensioner pulley and serpentineCustomer complaint of noise when turning the A/C on, upon visual inspection noticed, the tensioner pulley for the A/C drive belt is sized, doesn't turn. Our tech recommends replacing tensioner pulley and drive belt and retest A/C functionality. With customer authorization, the tech removed and replaced both the tensioner pulley and the serpentine belt. Retested A/C functionality, its OK , no problem now.
  • REMOVE AND REPLACE
 
BENJAMIN B. gave our service a 5 star review on 5/7/2023

2006 Toyota Corolla

Toyota Corolla

Mileage
178,345
Service Date
3/27/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked fluids, Belt, Battery condition and charging system, tire pressure , A/C and heating system, brakes and oil. Customer complaint of engine not running right, like misfire, scanned for codes and found misfire on cylinder #1. Checked compression, results 120psi. Checked ignition coil, injector and spark plugs for damages, found ignition coil for cylinder #1 not working. Note: to customer, ignition coils may fail at any time. Also check front brake pads are at 15% left of life. So our technician removed and replace ignition coil for cylinder #1 and removed and replaced front brake pads with customer authorization. Scanned the and tested, misfire was gone, test drove the vehicle and no problem now.
  • REMOVE AND REPLACE
  • REMOVE AND REPLACE
 
Daniel W. gave our service a 5 star review on 3/27/2023

2013 Toyota Prius

Toyota Prius

Mileage
170,061
Service Date
3/16/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked fluids, Belt, Battery condition and charging system, tire pressure , A/C and heating system, brakes and oil. Customer complaint of ABS brake & skid light are on. Our tech scan system for codes and found code C1391, an abnormal leak in accumulator has found. On visual inspection did not noticed any external leaks leading to determine that the ABS control unit / actuator has an internal damage, unit is serviceable as an assembly with the brake master cylinder. also found a code for the Engine water pump over Revolution, engine water pump is electric and need to be replaced before it fails and overheats the engine. So with customer authorization, out tech removed and replaced ABS Actuator, hydraulic Booster assembly and Engine Water Pump. Refiled engine Antifreeze and Reprogrammed & Recalibrate abs actuator. Our tech ordered bumper cover clips to secure the Bumper cover per customer's request and that added a bit more to the cost which customer knows. Our tech then test drove the vehicle, no abs light is on anymore, no problem now.
  • REMOVE AND REPLACE engine cooling system
  • ABS ACTUATOR
  • REMOVE AND REPLACE- Hydraulic Booster Assembly
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • REINSATLL
 
MATT S. gave our service a 5 star review on 3/17/2023

2016 Dodge Charger

Dodge Charger

Mileage
95,542
Service Date
3/15/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked fluids, Belt, Battery condition and charging system, tire pressure , A/C and heating system, brakes and oil. Our tech scanned the vehicle for codes and found codes for ECU reset occurred and unintended park position. Also found codes battery low voltage on circuit. Recommend transmission service and reset ECM and Deliberate. With customer approval our tech did trans service and Reset and Recalibrate the ECM. Test drove the vehicle and no problem now.
  • INSPECTION DISCOUNT
  • Road test and verify engine performance, transmission operation, and shift patterns. Drain transmission fluid and all contaminated fluid out and refill with new automatic transmission fluid as required, check shifting , test drove the vehicle, no problem at this time.
  • RESET AND RECALIBRATE ECM
 
BRANDON L. gave our service a 5 star review on 3/15/2023

2014 Nissan Versa

Nissan Versa

Mileage
129,675
Service Date
2/28/2023
Services Performed
  • Technician performed multipoint visual inspection ,checked fluids, Belt, Battery condition and charging system, tire pressure , A/C and heating system, brakes and oil. Our tech determined by visual diagnostic that the EXHAUST HEAT SHIELD was broken at its bolt attachments, so he fixed and reattached the bolts and replaced them. Then our tech noticed that ENG & TRANSMISSION MOUNTS WORN AND EXCESSIVE VIBRATION is being transferred to engine bay. So with customer authorization, our tech removed and replaced them and he also changed oil and filter with customer authorization. test drove the vehicle and tested it, no problem now.
  • Where broken from their attachment bolts, remove and reinforced with bigger washers exhaust heat shields.
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • REMOVE AND REPLACE
  • REMOVE AND REPLACE
  • MEHDI'S ADDITIONAL DISCOUNT
 
AHMAD H. gave our service a 5 star review on 2/28/2023

2011 Toyota Prius

Toyota Prius

Mileage
149,144
Service Date
2/8/2023
Services Performed
  • Lubricate and check chassis. Change oil and oil filter, Reset the service / maintenance light-if applicable- , Check air filter and breather filter. Preform basic safety inspection. Road test vehicle , No problem at this time.
  • Oil Disposal
  • REMOVE AND REPLACE
  • REMOVE AND REPLACE
  • -FRONT BUMPER O/H, removed front damaged bumper and replaced it with a NEW bumper, painted, added clear coat, finishing, polished & waxing -REAR BUMPER O/H remove and replaced rear damaged bumper, repaired all tears, dents, removed and re installed all brackets, painted, added clear coat, finishing, published & waxed. – FRONT DRIVER SIDE DOOR Repaired, fixed damages & dents, painted, added clear coat, finishing, polished & waxing – TRUNK Repaired, fixed damages and dents, painted, finishing, polished & waxing – REAR RIGHT PASSENGER DOOR Repaired, fixed big damage and dent, painted, added clear coat, finishing, polishing & waxing – FRONT RIGHT PASSENGER DOOR Repaired, fixed big damaged/ dented door, painted, added clear coat, finishing, polished & waxing – Repaired, fixed all scratches/ dents all over vehicle, painted, added clear coat, finishing, published & waxing. – RIGHT REAR QUARTER PAINT Painted the whole panel , clear coat, finishing, published & waxing – LEFT REAR QUARTER PANEL Fixed dents, prepped for paint, painted, added clear coat, finishing, polished & waxing – FRONT HOOD Repaired, fixed all dents and scratches, painted, finishing, polished & waxing – FRONT RIGHT & LEFT QUARTER PANELS Repaired, fixed all dents and scratches, painted, added clear coat, finishing, polished & waxing
 
AMY F. gave our service a 5 star review on 2/9/2023