Is there an issue with oxygen sensors on the Toyota Aygo?

I have a Toyota Aygo, purchased new in September 2015. Just before it was five years old it needed a replacement oxygen sensor, at about 17,000 miles. To their credit, this was done by Toyota under the...

Peugeot 307 sensor fault

Depollution system faulty indicator on most of the time, occassionally goes off for a few days. Tried bottle of forte, went off for a while then back on. Computer diagnostics: permanent fault. Upstream...

My recently-purchased Toyota RAV4 is throwing up error codes related to exhaust sensors - what should I do?

I have recently purchased a 2004 Toyota RAV4 2.0 auto from an Independent dealer. From the day after I purchased it the MAL VSC TRC warning lights have come on and had to be reset. The diagnostic errors...

How can I get my Peugeot 307 through its MoT? It's failed on emissions.

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...

Saving pence, spending pounds

My wife took her 2002 RAV-4 for a service, which was uneventful. However, a few days later the engine management light came on, so back it went. The service dept at the Toyota garage said (and I paraphrase...