When an unexpected warning light appears on your dashboard, the most common response is to ignore it and hope it goes away. However, in most cases, the issue will persist and lead to further problems if left unresolved.
Here at Lawfix Automotive, we offer professional car diagnostics services, using advanced diagnostic equipment to quickly identify the root cause of the problems you are experiencing with your vehicle.
Whether you’re concerned about an engine management light, ABS warning, reduced fuel economy or electrical faults, our comprehensive car diagnostic testing service will identify the issue and put an affordable and effective solution in place.
Don’t risk making problems worse with your vehicle by ignoring them. Book a diagnostic car check with our expert technicians today, and we’ll resolve your issues. Worried about having to deal with a shady garage? There’s no need; simply check out our 5-star rated Google Reviews below!
EXCELLENT Based on 39 reviews Posted on Heather JonesTrustindex verifies that the original source of the review is Google. Excellent service and happy with jobPosted on Vishal Rao DhaipuleTrustindex verifies that the original source of the review is Google. Joey is excellent in what is does. also, does the job quickly and hassle free. He is the right man for the right job. 👌☺️Posted on Sharon DaviesTrustindex verifies that the original source of the review is Google. ⭐️⭐️⭐️⭐️⭐️ I can’t recommend Law-Fix Automotive Ltd enough! Joe managed to book my car in straight away and carried out a really thorough inspection before purchase. He even sent me a detailed video of the underside (something I’d never normally get to see), talking me through everything clearly and in a way I could understand. He also gave it an extensive test drive and ran full diagnostics to check for any hidden issues. The communication was outstanding, the service above and beyond, and the pricing very fair. An honest, professional garage I’d recommend to absolutely everyone!Posted on Tomos GwynTrustindex verifies that the original source of the review is Google. Excellent service from start to finish from Joe - would highly recommend! 👊Posted on James EdmondTrustindex verifies that the original source of the review is Google. Joe is such a great guy. 100% trust him to keep my campervan running smoothly so I never have to stress about any van maintenance ever again I just leave it to him 😂. I always recommend him to all my friends and family 10/10Posted on Michael JonesTrustindex verifies that the original source of the review is Google. I recently used the garage for a clutch replacement. Joe is a courteous, friendly and very knowledgeable mechanic. He explained the problem to me thoroughly, setting-out details of the work to be done, together with a cost estimate (which was a really accurate prediction). The work was carried quickly and efficiently. A major, positive service provided in the Cardiff area is that a customer’s car is picked up from their home and returned when work on the car is completed. What a bonus that is!! Thank you, Joe, for a very a very hassle-free experience.Posted on Joe CameronTrustindex verifies that the original source of the review is Google. Joe's a top bloke! Sorted my car issues quickly and was kept me updated throughout all of the process! Highly recommend!Posted on Adam OakleyTrustindex verifies that the original source of the review is Google. Joe's a top guy, wouldn't use anyone else 👍🏼Posted on M DTrustindex verifies that the original source of the review is Google. Called Joe to look at a coolant leak on my Smart car, Joe got me booked in straight away and instantly found the leak. Problem was fixed within a few hours and was sent two videos detailing the issue. Very good price and excellent service, will be coming back.Posted on Colin ParkerTrustindex verifies that the original source of the review is Google. Absolutely 💯% brilliant service,kept me informed via video,would definitely recommend Law-Fix AutomotiveVerified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
If you’re actively looking for a car diagnostics test in Cardiff, it’s more than likely you’re experiencing some type of issue with your vehicle. Whether a warning light has appeared on your dashboard or whether you’ve noticed a difference in how your car feels or performs, these are signs that should not be ignored.
Our car diagnostic testing service regularly identifies the root cause behind common vehicle issues, such as:
Dashboard lights flashing
ABS warning light faults
Poor fuel economy
Airbag system errors
Electrical system failures
Battery drain or charging faults
Misfires and rough idling
Not every fault manifests itself as a sudden breakdown. Most of the time, your car will give you subtle signs that something’s gone wrong under the hood. The issue is that most people ignore these signs and hope they go away.
In our experience, ignoring these signs only makes the outcome worse when you inevitably have to face the issue. Booking a car diagnostics test right away can save you a lot of frustration and constant repair costs down the line.
Here are just a few reliable warning indicators that you need an urgent diagnostic test:
Dashboard warning lights are typically the most common indication that you need to book a diagnostic test. Whether the engine, ABS, emissions, or battery light flashes, these are strong signs that it’s time to book a diagnostic car test.
Even if your car appears to be performing as it usually does, the onboard system is telling you something’s going wrong within your vehicle. We highly advise against clearing the lights without actually diagnosing the issue. Proper car diagnostic testing ensures the fault is correctly identified and resolved.
Sometimes, when there’s a fault with your vehicle, you’ll notice a decrease in performance. This typically manifests itself as:
Reduced power
Increased fuel consumption
Unusual noises
Difficulty starting the vehicle
Difficulty shifting gears
If you are experiencing any of these issues, be sure to give us a ring to book a quick diagnostic check to identify the root cause.
When you bring your car to Lawfix Automotive for a diagnostic test, we follow a tried-and-tested process to accurately diagnose the issues you are experiencing. Here’s what you can expect:
First things first, we’ll have a quick call to chat about the issues you are experiencing. This allows us to ensure that it is, in fact, a diagnostic check you require. If you don’t require the service or we think it’s a separate service you need, we’ll advise you.
Should you need car diagnostic testing, we’ll book a date and perform a comprehensive diagnostic across all applicable control units. We leave no stone unturned and ensure the work isn’t finished until we have found the root cause for you.
Once we have confirmed the underlying factors causing your issue, we’ll provide you with a clear breakdown of the problem and advise you on the next ebay steps. If repair work is required, we won’t undertake any work until we have confirmed a price with you, so you’re not left with any nasty, unexpected bills when you come to collect your vehicle.
Although diagnostic tests always feel like an inconvenience and unnecessary expense, in the long term, they’re usually the cheapest option on the table. Here’s why:
Without a proper diagnostic test, problems can be misdiagnosed and incorrect repair work undertaken. For example, a sensor code may actually be caused by wiring damage, vacuum leaks, or even software issues. By getting an advanced diagnostic test, you can be sure the work being undertaken is the right fix and that you won’t need to return to the garage for further work.
What appear to be minor surface faults can actually cause major problems if left untreated. An undiagnosed misfire, for instance, can damage catalytic converters. A battery charging fault can affect multiple electronic modules. Getting a professional car diagnostic shortly after identifying an issue completely removes the risk of an inexpensive issue becoming a big bill down the line.
Vehicles with undiagnosed faults tend to consume more fuel, reducing your fuel efficiency and increasing your monthly fuel costs. A proper diagnosis identifies the issue so it can be resolved, restoring your fuel efficiency to where it should be.
Breakdowns are annoying and expensive. Oftentimes, these breakdowns are caused by undiagnosed issues within your vehicle. A diagnostic specialist helps you get ahead of the curve and ensures you’re not the one stuck on the side of the motorway on a cold, windy British day!
After working in the industry for over 15 years, we know what our customers want. Affordability, speed and honest communication. When you book a car diagnostics test with Lawfix Autos, you’ll get all this and more. Here are just a few reasons why our Grangetown Garage is a cut above the rest:
We offer some of the best car repiar pricing in Cardiff.
We keep you regularly updated and send progress photos.
No waiting forever. We tell you the date you can expect your car back and we stick to it.
We can collect straight from your door, saving you the stress of sorting a lift back home!
Most diagnostics only take between 30-90 minutes in most instances. More complex faults may take a few hours to diagnose.
A full diagnostics check includes ECU scanning, fault code analysis, live data monitoring, and system testing across the engine, ABS, airbag, and emissions systems.
For sure. We have advanced car diagnostic equipment on site, enabling us to accurately diagnose electrical and wiring issues that a basic diagnostic tool cannot.
Yes, we will clear warning lights by diagnosing and resolving the issues that are causing them in the first place.
Absolutely. Lawfix Autos can help diagnose issues with petrol, diesel, electric and hybrid vehicles.
Common culprits include sensor faults, fuel system issues, ignition problems, and electrical problems.
Yes, we can. Our car diagnostic mechanics use advanced diagnostic equipment to identify issues that are a bit more obscure and difficult to spot.