I was nicked for speeding recently. How accurate is my speedometer?
Our reader was caught going at 34mph in a 30 zone. He thought he was safe because his car’s speedometer was showing 35mph and he believed there was a tolerance…
Tag: ECU
My engine fan keeps running when I lock the car. Is that wrong?
If there’s one thing internal combustion engines are good at, it’s generating heat. But all that cool air flowing into the engine bay as you drive along stops things getting…
Why is my car suffering an engine power loss when I accelerate?
There are multiple reasons for any engine power loss. The modern car engine is a hugely complex thing as the image above shows. But chances are, any power loss is…
My garage keeps talking about the OBD port. What is OBD?
The letters OBD stand for On Board Diagnostics. The port is where the OBD is accessed. Read on to find out more about OBD. What do On Board Diagnostics do?…
Is there anything I can do after driving through flood water?
Flood water and cars aren’t the best of friends. In fact, it’s possible to write a car off by driving it through flood water that’s too deep. But even if…
Someone said their car had gone into limp home mode. What is this?
The modern car is a computer-powered marvel and limp home is a good example of that. Read on to see what it is. What is limp home mode? Every car…
What is a car’s ECU?
Modern cars are often said to have more computing power than the early Apollo moon rockets. When people say this, one of the areas they’re talking about is the car’s…
Car tuning: does chipping work?
Do you want your engine to have more performance, or perhaps get more economy? If so car tuning by a process called chipping could be the way to go. Tuners…
Can I jet wash my engine to clean it?
Cars are mechanical marvels. They’re sufficiently strong to withstand daily abuse, yet they’re clever enough to tell us the best way to get to places and in some cases how…