Cavan Car Diagnostics

Cavan Car Diagnostics Auto electrician specialising in electrical diagnostics and repairs. Agent for Topdon diagnostics.

Cavan Car Diagnostics fully support the fuel protesters. The farmers, hauliers and working people of this country keep i...
10/04/2026

Cavan Car Diagnostics fully support the fuel protesters. The farmers, hauliers and working people of this country keep it going, without them we would not be in business either.

08/12/2025

Hi everyone, we are fully booked up between now and Christmas. We will do our best to look after breakdowns but they may carry on into the new year.

Big thanks to Ciaran from BG Of Ireland for dropping off the stand, more room now for the other BG products range.
29/11/2025

Big thanks to Ciaran from BG Of Ireland for dropping off the stand, more room now for the other BG products range.

23/10/2025

Hi folks, just want to mention we are seeing a lot of vehicles lately that have Fault Codes deleted by mapping them out. This causes endless problems for the vehicle and adds extra expense to repairing the vehicle properly . If anyone offers to do this to get rid of a warning light please do not agree to it. Following proper diagnostic procedures we can find most faults in any vehicle without the need to resort to deleting vital electronic signals from any ECU. To avoid any confusion this has nothing to do with re mapping/ tuning, which sometimes can actually benefit the vehicle in terms of fuel economy etc. Most companies offering re mapping are genuine and would not resort to deleting a vital code.

Hi Folks, sorry we haven’t posted anything in a long time. We have been flat out and social media has been the last thin...
09/10/2025

Hi Folks, sorry we haven’t posted anything in a long time. We have been flat out and social media has been the last thing to get any attention. As you will see in the photos we are still getting plenty of broken and corroded wires, blocked DPF’s that need the reason for the blockage found, programming of new modules, the oscilloscope is still our favourite tool and we are getting great feedback from customers since we started using BG products during services. BG Of Ireland

31/12/2024

We would like to thank both our Trade and Retail customers for your business in 2024 and we wish you a Happy New year. Looking forward to working with you all again in 2025.

18/11/2024

Hi folks, this is just a short video of how we diagnosed a faulty boost pressure sensor on an A6 last week. After confirming good power and earth to the sensor we then used the auto sim pro to send a voltage on the signal wire. We could see the change in live data and on the scope, this confirmed the wiring and ECU were ok. New genuine boost sensor fitted and the car was driving fine again.

We are delighted to have teamed up with BG Of Ireland. These products actually do what they say on the tin. We will be r...
21/10/2024

We are delighted to have teamed up with BG Of Ireland. These products actually do what they say on the tin. We will be recommending these products to all our customers when they come in for servicing from now on.

Hi folks, Sorry we haven’t posted anything lately. We are flat out as usual. We had an interesting fault with a Seat Ibi...
14/10/2024

Hi folks, Sorry we haven’t posted anything lately. We are flat out as usual. We had an interesting fault with a Seat Ibiza recently. The customer complaint was that the Engine management light would come on if the car was driven hard or reved hard while stationary. We ran a fault code scan but it showed nothing of any relevance to engine running issues. We done the basic tests inc checking fuel pressure, spark, RC etc, which showed not irregular. It was then we decided to get out the wps 500 and check an in cylinder running waveform. This showed a small spike in pressure at the end of the exhaust stroke that should not be there. This lead us to a visual inspection of the timing belt. It was then we found a collapsed idler pully. After fitting a new timing belt kit the car now drives fine. The customer was very lucky in this instance. We were glad to be able to hand it back running fine again.

28/02/2024

Hi Everyone, we are usually booked up around a fortnight in advance. We will do our best to attend to breakdowns but customers who are booked in will have priority. We try to reply to messages as soon as possible but the best way to contact us is to call 0873322392 or 0494355059 between 8am and 5pm.

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Cavan, County Cavan
Cavan
H12

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