Showing posts from November, 2020

Know your car

How to solve code P0015 and P0017 (Toyota or Lexus) of vehicles having rough idling and hard acceleration

When your Toyota or Lexus cars have just started idling rough or not accelerating easily the way it used to be, you plugged in a scanner and found out the codes P0015 P0017 (both current), as shown below. when this happens, the engine-valve timing is altered.  P0015   P0017 how can engine-valve timing be altered even when no body loosed the engine? Most of the new model vehicle are equipped with variable valve timing inlet (VVTi) camshafts, which help adjust the valve timing of the vehicle when operating on certain loads, to help boost the engine performance at that particular instance. then readjust the timing to the normal point on average working conditions.  But when an ECU commanded the VVTi cam gear to return to the normal point and it's not working, this'll prompt the computer to throw the code P0015 or P0017 or both accuring at the same time, with the check engine showing on the dashboard. When the cam gear failed to return to the normal point after adjustment, this'

How to repair a noisy Car Engine

  The rattling Noise from the upper parts of the engine, that confuses you of whether it's from the timing chain, or adjuster, or the lifter cups on the cylinder head. At times you'll make an educated guess that it's from the camshafts assembly. The noise have not stopped, even after you've replaced almost every parts, the only thing you've not replaced now is the cylinder head. And it's cleared that this noise is not from the down part of the Engine. Because when we rev up the Engine, there's no sign of the camshaft, or its bearings are faulty, you're totally convinced that the noise is from the upper end of the Engine. What then makes the Engine noisy? What's the cause of a noisy Engine? The main cause of a noisy Engine is Engine oil... Yes, lack of regular oil and filter changes, especially when you are using Engine oil of poor quality. This type of oil not only loose their lubricating power easily but also burn to leave scale deposits inside the