engine management | Ask Honest John

Ask Honest John

Most recently answered engine management questions

I have a Vauxhall Astra automatic that started to play up. The gearbox and engine management lights have both come on. The car drives and changes gears but I have to change them myself. What could be the...

Why's my Citroen C4 VTR's de-pollution warning light illuminating?

My 2005 Citroen C4' VTR's engine management light keeps lighting and telling me the de-pollution system is faulty. Any ideas?

An engine management repair to my Mercedes-Benz SL320 hasn't worked. Why must I pay for it?

I own a Mercedes-Benz SL320 M-reg, built in 1994. Since I bought the car three years ago the cruise control has never worked. This didn't bother me and I hadn't any spare cash to repair it at the time....

Why am I getting an 'Engine Malfunction' warning in my Ford Mondeo?

I have a Ford Mondeo, five years old, 48,000 miles. A warning light appeared on my dash which signifies 'Engine Malfunction'. The car drives as normal, and the oil is ok. Any suggestions please?

I've got a major electrical problem with my 2003 Peugeot 206 - can you help?

My 2003 Peugeot 206 2.0-litre HDI has stopped working. 'Eco Mode, Immobiliser Fault' has come up on my dash, my side lights are on and it turns over but won't start. There's no power to the wipers, indicators...

My 2003 BMW E46 318ci has come up with five Vanos fault codes - please help.

After having a misfire problem on my 2003 BMW 318ci E46, which turned out to be a crack in the coil pack rubber, I fitted new coil packs with new plugs, which sorted the misfire. Now I'm still getting...

Why is my Vauxhall Vectra's engine management light on?

My S-reg Vauxhall Vectra 1.8's engine management light has been on for a week. Does anyone know why?

My Ford Fiesta's power steering warning light doesn't go out - is there something wrong?

I have recently taken delivery of a nearly-new, 4900-mile Fiesta 1.6TDCi Titanium. After only a few days, I noticed that two warning lights, the engine management and power steering lights, did not go...

Why is my 2003 Vauxhall Zafira losing power when the engine management light comes on?

We have a 2003 Vauxhall Zafira Design diesel which we bought secondhand about three years ago. For some time, we have had problems with the management light, which comes on after about 20 mins on the motorway...

Why won't my friend's Ford Focus start?

My friend has a 54-plate Ford Focus TD. He stopped the engine one day and it has not started since. That was six weeks ago. Up to now, six fitters have looked at it and don't know what it is. The car just...