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Showing posts from May, 2019

Know your car

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

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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'

Why your Car's Engine Failed To Rev Above 3000 RPM

Most of the new model vehicles now are equipped with many accessories, aimed at improving the fuel economy and  reducing emissions. By the time these parts/accessories begin having faults due to aging or accumulation of dirts, the vehicle will start to malfunction.  There are many reasons for a problem of accelerations for different vehicles, but few cases are discussed below. If your car's engine not rev more than 3000rpm when you pressed throttle pedal down totally, you're advised to check the following parts in your car's engine. Catalist A  catalytic  converter is a  car  component that works to reduce  vehicle  emissions and pollution. It is a metal canister installed in the exhaust system. It is filled with a chemical  catalyst , usually a platinum and palladium mixture, and helps to convert the  vehicle's  emissions into non-harmful gasses Its blockage will cause the engine hard breathing and consequently hard revving to more than 3000rpm.  Test