Engine & transmission
ECU faults, misfires, automatic/manual gearbox operation, sensors and engine running modes.
Mobile auto electrician · computer diagnostics · Grodzisk Mazowiecki, Żyrardów, Pruszków, Warsaw
Mobile auto electrician. I find the fault on the spot.
Won't start, stalls on the road, check engine light, battery going flat, starter not cranking or alternator not charging? I come to you with full diagnostic equipment and find the cause on site — I measure, I don't guess. Grodzisk Mazowiecki, Żyrardów, Brwinów, Pruszków, Warsaw and up to 50 km around, 7 days a week.
★ 4.9 — customer reviews
Urgent — nights too
We come to you
Auto electrician
150 zł
Call-out to your locationrepair price agreed before I set off
Electrics & diagnostics
Our diagnostic computer comes to you — at home or at work.
Nights and weekends — when urgent
Urgent breakdown at night, on Saturday or Sunday? Call us — we’ll come.
We come to you
Home, work or the seller’s place — your car doesn’t have to go anywhere.
Breakdown on site
Pick your problem — I'll come and find the cause
I do everything on site, within 50 km of Grodzisk Mazowiecki — Warsaw included. Call-out 150 zł, 7 days a week. Not sure what to call the fault? Just call.
Breakdown — the car won't run or something doesn't work
Car won't start
I find the cause on site: battery, starter, fuel supply, spark, sensors.
details →
Battery and charging
Battery and alternator test on site and finding current drain while parked.
details →
Lights not working
Bulb and LED replacement, fuses, relays and lighting wiring.
from 30 zł
Electrical fault finding
I find the cause by measuring: current drain, shorts, open circuits, intermittent faults.
details →
Sensor replacement
Measurement and readout first, then the sensor is replaced — right where the car is.
details →
Check engine light on
Fault codes, live data and actuator tests — I find the cause, not just clear the light.
from 80 zł
Diagnostics, coding and programming
Mobile computer diagnostics
OBD fault reading, systems check, an honest verdict on the issue.
details →
Compression test
Engine misfiring, jerking, losing power? A compression test on every cylinder shows right away whether it’s mechanical or electrical.
price before the visit
Aftermarket immobilisers and alarms
Car won’t start because of an old alarm or a hidden immobiliser? We find it and restore the factory wiring.
price before the visit
Coding and service functions
Battery registration, electronic parking brake (EPB), DPF regeneration, injector coding, adaptations and feature activation.
price before the visit
ECU chip tuning
We remove the ECU at your place, program it at ours and fit it back. The factory software backup is kept.
price depends on the model
Buying a car or a hybrid
Computer diagnostics before purchase
A full control-unit scan for any car, not only hybrids.
details →
Hybrid battery test in Warsaw
Pre-purchase test in Warsaw and up to 50 km from Grodzisk. 250 zł plus call-out.
250 zł
Toyota and Lexus hybrid diagnostics
The models I cover and typical hybrid system faults.
details →
Buying a hybrid?
Hybrid battery test — Warsaw and up to 50 km from Grodzisk
I check the high-voltage battery block by block before you pay for the car. Toyota and Lexus — full readout, other makes I can try. Test 250 zł plus a 150 zł call-out.
Flagship service
Mobile auto electrics and computer diagnostics at your location
I come to you with a professional scanner and multimeter. I check the wiring, battery, alternator, starter and all electronic systems — read the fault codes and take real measurements on site, so you know what is actually wrong before spending money on replacing parts.
We come to you — home or work
Full scan in 30–40 min
Honest verdict in plain words
ABS, ESP, brakes
Anti-lock braking, stability control, wheel and tyre-pressure sensors.
Airbags & electrics
SRS/Airbag, wiring faults, battery and alternator condition.
Emissions & fuel
Lambda sensors, EGR, DPF particulate filter, fuel system and consumption.
1 · We arrive
We come to your address at a convenient time, weekends included.
2 · Scan
We plug the scanner into the OBD-II port and read every module in the car.
3 · Verdict
We explain what we found, what’s critical and what isn’t, and what the repair costs.
Computer diagnostics
from 80 zł
Call-out 150 zł (within 50 km of Grodzisk Mazowiecki). The price of diagnostics and repair is agreed individually — I always tell you before I set off.
Book diagnostics
Buying a car?
Pre-purchase checks
Independent diagnostics for the buyer — with call-out to wherever the car is standing.
Computer diagnostics before purchase
Full control-unit scan: active and cleared faults, mileage in modules, charging system. From 80 PLN.
Hybrid battery test
Voltage of every cell block and the hybrid system history. Toyota and Lexus — full access. Test: 250 PLN.
Toyota and Lexus hybrids
The models I cover, typical hybrid faults and how much battery data I can read.
We take the ECU for programming
Chip tuning & ECU optimisation
We remove the engine ECU at your place, program it at ours and fit it back. We raise power and torque or cut fuel consumption within legal limits. The factory software backup is always kept. We do not remove DPF, EGR or AdBlue.
More power & torque
Lower fuel use
Logs before and after
Stage 1
Power and torque optimisation within the factory hardware and legal limits.
Eco-tuning
Tuning for lower fuel consumption without shortening engine life.
Pedal box & gearbox
Sharper throttle response, software for automatic/DSG for smoothness and dynamics.
Vans & LCV
Load-oriented optimisation and smoother running for vans.
1 · Diagnostics
First we read the car's condition and make sure the engine is healthy.
2 · Removal
We record the engine parameters and remove the ECU.
3 · Programming
We program the ECU at our place, fit it back and check the car on the road — you get a before/after report.
ECU chip tuning
Price — depends on the car model
Timing agreed individually. First we check whether we support your ECU.
Book chip tuning
Services
What we do
Everything is done on site — at your home, at work or at the seller’s. We come with a diagnostic computer, meters and software. If the car needs a workshop, we’ll tell you honestly right away.
Car won’t start
Starter silent, cranks but won’t fire, immobiliser blocking or stalling on the road? We come and find the cause on site.
price before the visit
Battery and charging
Battery keeps going flat, charging light on, alternator not charging. Battery, alternator and parked-drain testing.
price before the visit
Mobile computer diagnostics
OBD fault reading, systems check, an honest verdict on the issue.
from 80 zł
Check engine / sensor fault
Fault codes, live data and actuator tests — I find the cause, not just clear the light.
from 80 zł
Sensor replacement
Measurement and readout first, then the sensor is replaced — right where the car is.
price before the visit
Check engine / sensor fault
Fault codes, live data and actuator tests — I find the cause, not just clear the light.
from 80 zł
Sensor replacement
Measurement and readout first, then the sensor is replaced — right where the car is.
price before the visit
Check engine / sensor fault
Fault codes, live data and actuator tests — I find the cause, not just clear the light.
from 80 zł
Sensor replacement
Measurement and readout first, then the sensor is replaced — right where the car is.
price before the visit
Wiring repair
Chafed wires, corroded connectors, short circuits. Repaired with soldering and proper insulation — no quick-splice clips.
price before the visit
Fuses and relays
Socket, windows, lights or radio dead? We check fuses and relays and find out why they keep blowing.
price before the visit
Bulb and LED replacement
Headlights, indicators, brake lights, number plate and interior — LED conversion too. Price per bulb.
from 30 zł
Compression test
Engine misfiring, jerking, losing power? A compression test on every cylinder shows right away whether it’s mechanical or electrical.
price before the visit
Pre-purchase check
All control units, mileage stored in the modules and traces of software tampering — before you pay for the car.
from 80 zł
Hybrid battery test
Toyota and Lexus: voltage of every block under load and the hybrid system history. Written report.
from 250 zł
Coding and service functions
Battery registration, electronic parking brake (EPB), DPF regeneration, injector coding, adaptations and feature activation.
price before the visit
Aftermarket immobilisers and alarms
Car won’t start because of an old alarm or a hidden immobiliser? We find it and restore the factory wiring.
price before the visit
ECU chip tuning
We remove the ECU at your place, program it at ours and fit it back. The factory software backup is kept.
price depends on the model
How it works
How we work
Five simple steps — from request to a report of the work done. No unnecessary calls, no unclear invoices.
Request
Fill the form or call. Describe your car and the problem.
Estimate
Rough price and timing. Call-out 150 zł, work by price list or 150 zł per started hour.
We come to you
We arrive at your address with all the equipment.
Repair
We do the work. Anything beyond the estimate we agree with you.
Report
A clear invoice and a report of the work done. Workmanship warranty.
Prices
Service price list
Indicative prices for labour. We quote the total before we set off — nothing added without your consent.
Diagnostics
Computer diagnostics
from 80 zł
Pre-purchase check
from 80 zł
Hybrid battery test
250 zł
Compression test
individual
Electrics
Car won’t start / electrical fault
150 zł / hour
Wiring and fuse repair
150 zł / hour
Bulb / LED replacement
from 30 zł / pc
Aftermarket immobiliser or old alarm
150 zł / hour
Programming
Coding and service functions
individual
ECU chip tuning (we take the ECU)
by model
Extras
Travel to clientwithin 50 km of Grodzisk
150 zł
Weekend work
+20%
Urgent night call-out
individual
Services without a fixed price: 150 zł for every started hour of work · I quote the total before I set off · Parts are not included in the labour price.
YouTube
Our work on video
Real repairs from our YouTube. No editing tricks — as it is.
Toyota Auris Hybrid · battery test before purchase
Mazda 3 · quick diagnostics
Ford Focus diesel · filter & oil
Saturday at the shop · parts run
Reviews
What clients say
Sample reviews — your real Google and Facebook reviews will go here.
★★★★★
They came to my home on a Sunday and changed the pads in an hour. Quoted the price upfront and kept it. Recommended.
Marcin K.Pruszków
★★★★★
They picked the car up from home and returned it fixed in the evening. Very convenient when you have no time to wait at a garage.
Olena H.Warsaw
★★★★★
An honest approach: they said some of the work was still too early to do. You can tell they don’t overcharge. Now I only go to them.
Tomasz W.Żyrardów
FAQ
Frequently asked
Didn’t find an answer? Write in the form — we reply fast.
Call-out is 150 zł within 50 km of Grodzisk Mazowiecki. The price of diagnostics and any repair is agreed individually and I always tell you before I set off — you know the cost before I even leave. No surprises on the bill.
Yes. We provide a warranty on completed work and record everything in a report. If something goes wrong — come back and we’ll sort it out.
Cars and vans of most European and Asian brands. Complex cases we assess honestly and, if needed, refer you to a specialist service.
Whatever suits you. We can source and bring quality parts, or fit yours. The cost of parts is always agreed in advance.
Usually the same day or the next. If it’s urgent, we’ll come at night and on weekends too — just call.
Cash or transfer. After the work we give a clear invoice listing everything done.
Contact
Service area — up to 50 km from Grodzisk: Żyrardów, Pruszków, Warsaw
We are based in Grodzisk Mazowiecki. We come within 50 km: Żyrardów, Brwinów, Pruszków, Błonie, Milanówek, Podkowa Leśna and Warsaw (preferably the west side). Call-out 150 zł. Not sure we reach you? Drop us a line — we'll let you know.
Grodzisk Mazowiecki
Żyrardów
Pruszków
Warsaw
Żyrardów
service area map
Request service
Request service
Fill the form — we’ll call back, clarify details and give an approximate price. The request commits you to nothing.
Phone
+48 736 063 129E-mail
kontakt@ad-garage.plWorking hours
Daily 8:00–20:00 · urgent — nights too
Area
Grodzisk Maz. · Żyrardów · Pruszków · Warsaw
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