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Most recently answered catalytic converters questions
I'm told I may have a mass air flow meter problem on my Citroen C5, but don't want to go to unnecessary expense. The car is very flat, especially down at the bottom. It feels like something is holding...
I'm looking to buy a secondhand BMW 530i of about seven to ten years old, and I've found some really cheap ones. One obvious reason for this is they have over 100,000 on the clock! I've always heard that...
Whilst climbing a moderate gradient in a queue with a driver and four passengers in our Ford Focus, suddenly a horrible gassy smell filled the car. The smell remained for the next two weeks. We are the...
I have the 2.0-litre petrol 2001 Ford Mondeo Duratec. It has suddenly started to misfire and bring out an awful eggy smell, then the engine light came on and it started to run roughly. I've replaced the...
My Peugeot 307 1.6 diesel has just failed the MoT on emissions. There are no warnings on the dash and my mechanic is unsure of where to start to fix the problem. The average smoke reading is 3.28 (pass...
My Mercedes-Benz E220 is very slow when under acceleration.
Can a totally blocked catalyst shred a timing belt? I had my Vauxhall Astra 16v's timing belt replaced and new valves and guides fitted, and on completion, the car wouldn't start due to the catalyst being...
We have a four-year-old Volkswagen Golf MkV 1.6 FSI petrol. I'm told today by my local non-franchised Volkswagen specialist that the rattling that developed two days ago is the inside of the catalytic...
I have an Audi A4 2.0 FSI automatic, registered in September 2004 with 23,500 miles. It went for its annual service and MOT to a local Audi dealer and failed the MOT due to emissions. They said it needed...
I have just bought a T-reg Peugeot 306 and I am finding that there is not a lot of power for a 1.6 petrol engine. What could be the problem and what can I do to correct it?