Search Results for ‘fuel trim’

I've had a Freelander 1.8 for a few years now, and it has a very odd engine problem which I think is long standing. The long term fuel trim is at -20 to -25%. Also it soots up the exhaust tail pipe under certain conditions- it seems to happen at full throttle at low revs when the engine...

Hi, I just had both oxygen sensors replaced after getting a P141 on the post cat sensor Bank 1 on a rover 25 done (47700Miles). I have cleared the fault from the obd scanner and drove it 8miles home. Upon getting home I get a p170 Fuel Trim bank 1. When i go to live data, The fuel is in "open...

So first of all, just a small disclaimer to say all the information i know is from youtube vids, and these are my interpretations of my own cars data. Also important i have a cheap £30 scanner that tells me the data by taking snapshots and recording the information on that page, there are...