The tuning box is black

Hi everyone, progress has been made and the problem is solved. I topped up the gear box with 500 ml of gear box oil while engine was cold and moved the gear stick from park to 1st and then up through the gears before and after topping up. Took the car for a run down the dual carriageway, but the...

Hello and many thanks for your reply. My car is a P plate 1996 with 235K on the clock. I suspect that the engine may not be the original. I am wondering if gear box might be a factor, as the car goes really well in first to third gears, but then runs out of steam when it shifts to 4th. Box was...

Hello everyone, I am having a sort of similar issue with my 2.5 DSE auto recently. The top speed seems almost limited to 70 MPH and the speed drops steadily to about 57 MPH on long steep hills. Before the problem started, I was able to accelerate uphill without an issue. So far I have changed...