VW Golf MK7 1.4 TSI (2017)
Basic Settings 060 after battery swap
TW3 · Hounslow driveway
Arrived 28 min · finished 50 min
£69 fixed
Lumpy idle since fitting a new battery. Adapted via ODIS-equivalent — perfect idle within 60 seconds.
Mobile Diagnostics · UK Wide ///
Throttle Body Adaptation. From £69 · Mobile · Same-Day
Lumpy idle, stalling, EML on or limp mode after a throttle clean or battery disconnect? Mobile throttle body adaptation on your driveway from £69. Dealer-grade adaptation routine for every drive-by-wire platform. Fixed price, 12-month code-clear warranty.
30-min response
West London
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Industry standard
Dealer-level kit
AutoTuner · Autel
Fixed quotes
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Modern petrol engines use a drive-by-wire (electronic) throttle body — there's no cable from the pedal to the engine. Instead, the throttle motor and its two position sensors are calibrated against the pedal sensor in an adaptation table held in the ECU. Anything that resets that table — a battery disconnect, an ECU reflash, a throttle body clean, a throttle body swap, sometimes a stop-start event with a weak battery — leaves the engine with a high or lumpy idle, intermittent stalling on lift-off, hesitation when pulling away and (on VAG, Ford and Vauxhall) a fast-flashing EML and limp mode. The fix is not a battery disconnect or an OBD code clear — it's a specific adaptation routine that has to be commanded by the scan tool with the engine at a defined coolant temperature. We do it on the driveway, take 20 minutes, and we do it right.
- Fixed-price throttle body adaptation from £69 — no call-out fee
- Works after a throttle clean, swap, ECU flash or battery disconnect
- VAG, Ford, Vauxhall, BMW, Mercedes, Toyota, Honda — all supported
- Pedal sensor adaptation included where required
- Stop-start re-enable on hybrid platforms
- Limp-mode clear & live data verification
- Most jobs done in 20–40 minutes on the driveway
- 12-month warranty on the adaptation work
Symptoms We Diagnose
Warning Lights & Symptoms We See Most.
These are the symptoms our customers describe when they book throttle body adaptation. If yours matches one of these, we can usually clear the fault and code/calibrate the affected module on site — no garage drop-off, no waiting list.
High, lumpy or hunting idle (engine searches between 800–1500 rpm)
Stalls on lift-off at junctions or when coming to a stop
Hesitation or flat spot when pulling away from a stand-still
EML / engine warning light on after a battery disconnect
Fast-flashing EML and limp mode on VAG (P2122, P2127, P0638)
Stop-start system disabled with an amber warning
Engine runs fine when cold but idle drops as it warms up
Cruise control will not engage
Pedal feels dead or unresponsive for the first 1cm of travel
Idle stays at 1500 rpm even when engine is hot
Common Causes & What We Check.
Most throttle body adaptation jobs trace back to one of a handful of root causes. We work through them in order, using a dealer-grade OEM-spec scan tool, a multimeter and a road-test — not a code-reader and a guess.
Battery disconnect or flat battery (most common)
Any interruption to the ECU power supply wipes the throttle adaptation table. The engine will run but idle quality is poor until the routine is re-learned. We see this constantly after a battery swap, jump-start or stop-start failure.
Throttle body clean (carbon removal)
Cleaning the throttle plate of carbon changes its closed-position resting angle. The ECU expected the dirty position; the new clean position is outside the learned window and triggers an adaptation fault. A scan-tool relearn writes the new values in under a minute.
Throttle body replacement
A new throttle body has different sensor offsets to the old one. The ECU has to be told to forget the old values and learn the new ones — a process called Basic Settings on VAG or Idle Air Volume Learning on Nissan.
ECU reflash / remap
Any time the ECU is reflashed (Stage 1, MAP swap, EGR/DPF deletion) the adaptation tables are reset. We adapt every car we remap as standard, but customers who bought a remap elsewhere often arrive with a hunting idle.
Pedal sensor mismatch
On some platforms (Ford Focus Mk2/3, Vauxhall Astra J, Renault Trafic) the pedal sensor needs its own adaptation in addition to the throttle. We do both as part of the standard job.
Weak battery + stop-start
If the battery voltage drops below the stop-start re-start threshold, the ECU can wipe adaptation values mid-cycle. We test battery health as part of the diagnostic and recommend a replacement if it's failing.
Our On-Site Diagnostic Process.
Every throttle body adaptation job follows the same six-step process. No skipping steps to save time, no upselling a part you don't need.
- 1Pre-adaptation scan
Read all stored DTCs and live throttle data (TPS1, TPS2, requested vs actual throttle %, idle speed control). We confirm the throttle body itself is healthy before adapting.
- 2Coolant & battery temperature check
Most adaptation routines refuse to run unless coolant is between 80–95°C and battery voltage is above 12.0V. We check both before commanding the routine.
- 3Run the adaptation routine
Specific routine per platform — VAG Basic Settings 060, Ford KAM reset, Vauxhall idle relearn, BMW INPA throttle reset, Mercedes XENTRY ETC adaptation, Toyota Throttle Body Reset.
- 4Pedal sensor adaptation (where required)
Performed in sequence with the throttle on Ford, Renault, Vauxhall and Nissan. The ECU records the full pedal travel range from rest to wide-open.
- 5Idle stabilisation run
Engine left at idle for 5–7 minutes with all loads off, then with AC and heated rear screen on, to let the ECU populate the learned idle table across electrical loads.
- 6Road-test & verification
Short road test to confirm idle is stable, EML stays off, no fault codes return and cruise control will engage.
Throttle Body Adaptation Pricing · Fixed, Not Hourly.
Every price below is fixed and includes the on-site visit, the scan, the diagnosis report and any coding/calibration needed to clear the fault. Parts (if required) are quoted separately before any work starts.
Throttle Body Adaptation
Scan, adapt, road-test
£6920–40 min
Throttle + Pedal Sensor Adapt
Both routines + load test
£8930–45 min
Throttle Body Clean + Adapt
Clean carbon + full adaptation
£14960–90 min
Throttle Body Replacement + Code
Supply, fit, basic settings
£289–£44975–120 min
Post-Remap Adaptation Suite
Throttle + idle + fuel-trim relearn
£9945–60 min
Limp-Mode Diagnostic
Full scan + fault tree to root cause
£7945–60 min
Out-of-hours surcharge £30–£50 (before 09:00, after 18:00, weekends & bank holidays). All prices include VAT.
Vehicles & Platforms We Cover.
Our vans carry OEM-spec scan tools for every modern UK-market platform. Below is a snapshot of the makes and platforms we handle for throttle body adaptation.
VW · Golf MK5/6/7/8, Polo, Passat, Tiguan, Touareg, Transporter
Audi · A1, A3, A4, A5, A6, Q3, Q5, Q7 (all MQB & MLB)
Skoda, SEAT, Cupra — all VAG platforms
BMW · all E, F, G petrol chassis (incl. M-series)
Mercedes-Benz · M271, M274, M276 petrol engines
Ford · Fiesta, Focus, Kuga, Mondeo, Puma EcoBoost
Vauxhall · Astra J/K, Corsa D/E/F, Insignia A/B, Mokka
Toyota & Lexus · all VVT-i / D-4S platforms
Honda · Jazz, Civic, CR-V, HR-V (i-VTEC)
Nissan · Micra, Juke, Qashqai, X-Trail
Kia & Hyundai · GDI, T-GDI platforms
Renault, Peugeot, Citroen, Fiat — full PSA / Stellantis coverage
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Real Customer Work
Recent Throttle Body Adaptation Jobs
Real throttle body adaptation jobs completed on the driveway in recent weeks — vehicle, postcode, on-scene time and fixed price. No stock photos.
Ford Focus Mk3 1.0 EcoBoost (2016)
Throttle + pedal sensor relearn
SL1 · Slough
Arrived 35 min · finished 70 min
£89 fixed
Stalling at junctions for weeks. Both adaptations done in sequence, EML cleared, no return fault.
BMW 320i F30 (2018)
Throttle body clean + INPA adaptation
W5 · Ealing
Arrived 30 min · finished 95 min
£149 fixed
Carbon build-up on N20 throttle plate cleaned and re-adapted on the driveway.
Vauxhall Astra J 1.4T (2015)
Limp-mode diagnostic + adapt
RG1 · Reading
Arrived 33 min · finished 75 min
£79 fixed
P2122 cleared and adaptation re-run. Customer had paid £200 elsewhere with no fix.
Audi A4 B9 2.0 TFSI (2019)
Post-remap full adaptation suite
TW6 · Heathrow
Arrived 25 min · finished 65 min
£99 fixed
Stage 1 remap done by a third party — throttle, idle and fuel trims re-learned for smooth running.
Throttle Body Adaptation — Questions
What is throttle body adaptation and why do I need it?+
Modern petrol engines use an electronic (drive-by-wire) throttle. The ECU stores a calibration table for the throttle motor and pedal sensor. Any event that wipes that table — battery disconnect, throttle clean, ECU flash — leaves the engine with a lumpy idle until the table is re-learned with a scan tool. The OBD code clear function will not do this.
How much does throttle body adaptation cost?+
£69 fixed for the standalone adaptation routine. £89 if pedal sensor adaptation is also needed (Ford, Renault, Vauxhall, Nissan). £149 for a full throttle body clean + adapt. All prices include the on-site visit, scan, adaptation and road-test.
Why does my car idle high after I disconnected the battery?+
The ECU lost its learned throttle position. The throttle motor parks at a slightly different angle than the ECU expected, so it commands more air to compensate, which raises the idle to 1200–1500 rpm. A 60-second adaptation routine writes the new values and the idle drops back to normal.
Can I do throttle body adaptation myself with a code reader?+
Generic OBD readers cannot command the adaptation routine. The routine is OEM-specific — VAG Basic Settings 060, Ford KAM reset, Vauxhall idle relearn, BMW DME throttle reset — and requires a dealer-grade tool to send the correct service command. Driving the car a long way or doing a 'key-on / key-off / pedal cycle' rarely works on modern engines.
Will throttle body adaptation fix my limp-mode fault?+
If the limp mode is caused by a P2122, P2127, P0122, P0222, P0638 or P2138 — yes, almost always. If the throttle motor itself is failing (worn brushes, dead Hall sensor) the adaptation will fail and we'll quote a replacement honestly before any work.
How long does the job take?+
Most cars 20–40 minutes from arrival. The adaptation routine itself runs in 60–120 seconds, but the engine has to be at full operating temperature first, then the idle is left to stabilise across electrical loads (AC, lights, heated screens) before we hand back.
Does this also fix my stop-start system?+
Frequently yes. If stop-start has stopped working since a battery swap or throttle clean, it's usually because the ECU's idle-stop entry conditions can't be met until the throttle re-learns. We re-enable stop-start as part of the same job at no extra charge.
Do you cover diesel engines too?+
Yes — most modern diesels use an electronic throttle/EGR-flap module that also needs adaptation. Same fixed price, same on-site service.
Why Drivers Choose StageMyCar For Throttle Body Adaptation
Most throttle body adaptation faults aren't a "swap the part and hope" job — they're a coding, calibration and adaptation problem. A high-street garage with a generic OBD reader can pull a fault code but often can't write the calibration data back to the module after a repair, which is why so many customers tell us the warning light came back the next morning. Our vans carry dealer-grade tooling for every UK-market platform, so the calibration that clears the light isn't a separate dealer trip — it's part of the same fixed-price visit.
We attend driveways, workplaces, supermarket car parks, airport long-stays and roadside breakdowns across London, the M25 corridor and the M3/M4/M40 commuter belt. Fixed price quoted on WhatsApp before we attend; cards, cash, bank transfer and Payment Assist (3–4 monthly instalments on jobs over £250) all accepted; 12-month warranty on every job.
Related diagnostics: Car Diagnostics Hub · Auto Electrical · ECU Fault Diagnosis · Mobile Diagnostics West London · Car Diagnostics Near Me
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