Sensors & Components
AKA 'Feely Bits' — Your car has more sensors than a spy satellite. We replace the broken ones.
ABS light? Airbag warning? Engine light? Modern cars have sensors everywhere, and when they fail, warning lights appear. We diagnose and replace them.
See our upfront pricingQuick Facts
What's This All About Then?
Modern cars are basically computers with wheels, and they're covered in sensors. Oxygen sensors, wheel speed sensors, camshaft sensors, crankshaft sensors, MAF sensors, MAP sensors, temperature sensors, pressure sensors... the list goes on. When one fails, you get a warning light and possibly a car that runs like garbage. We diagnose which sensor is actually faulty (not just guessing based on the error code), replace it with quality parts, and clear the codes. Dashboard back to normal, car running properly, no more angry warning lights staring at you.
How it works
Sensors turn a physical thing — temperature, position, pressure, wheel speed, oxygen in the exhaust — into an electrical signal the ECU can understand. The computer compares those signals against what it expects. If a reading drifts out of range, sticks, or drops out, the ECU logs a fault code and often lights a warning lamp. An ABS sensor, for example, watches each wheel's speed so the system can prevent lock-up under braking; lose one signal and ABS switches itself off as a precaution. We plug into the car's diagnostic port, read those stored codes and, crucially, watch the live data to see which sensor is genuinely misbehaving rather than just being blamed by another fault.
Warning signs to watch for
- •Engine warning light (that orange engine symbol), often with rough running or reduced power
- •ABS or traction control light on — and those systems disabled until fixed
- •Airbag / SRS light staying lit, meaning the system may not deploy in a crash
- •Poor fuel economy, hesitation, or the car going into limp mode
- •Erratic temperature gauge, cooling fans running constantly, or hard cold starting
- •Warning lights that flicker on and off intermittently, often when it's damp
Common causes
What we do
We start with a proper diagnostic scan and live-data check, not a parts lottery. Reading the codes plus watching the sensor readings while the fault is present tells us whether the sensor is truly dead or being tripped by wiring, connectors or another component. We explain what we've found in plain English, give you a clear quote, then replace only what's actually faulty and clear the codes. All done at your home, work or the roadside.
Sensors & Components — FAQs
My engine light is on but the car drives fine — can I ignore it?
Better not to. A steady engine light means a fault is logged; the car may feel normal while quietly running rich, wasting fuel or slowly harming the catalytic converter. A flashing engine light is more urgent — it usually signals a misfire that can damage the cat fast, so ease off and get it read soon. A quick scan tells you how serious it is.
Do I really need diagnostics, or can you just read the code for free?
A free code-read at a parts shop only gives you a rough starting point — often just the circuit involved, not the actual cause. Proper diagnostics means interpreting that code alongside live data and the wiring, so we fix the real fault instead of fitting a sensor that wasn't broken. It's the difference between guessing and knowing, and it usually saves money overall.
Why did replacing the sensor not fix it?
Because the sensor was often the messenger, not the culprit. Codes point to a circuit, and a corroded connector, chafed wire or bad earth can trigger the exact same fault as a dead sensor. That's why we test the wiring and connections too. Swapping the part blindly is the most common — and most expensive — way to chase a fault in circles.
What You Actually Get
Common Sensors & Components Faults We Fix
Random Knowledge You Didn't Ask For
A faulty oxygen sensor can reduce fuel economy by up to 40%. That's a lot of wasted fuel.
Modern cars have 60-100 sensors. Each one is a potential warning light waiting to happen.
Why Get Your Sensors & Components Done By Us?
We're Quick
Fast response, efficient work. No dragging things out.
We Come To You
Your driveway, your office, wherever. We travel.
We Guarantee It
If we mess up, we fix it. Simple as that.