Mechapedia

Replacing a speed clock . The speed clock of a vehicle is like a google map in the hands of a first timer in an area. The speed clock tells you how fast your car is moving, it tells you the level of fuel you have left in the tank, it even tells you about the condition of the engine and many more. So the speed clock is something that you must have working. Steps to replacing the speed clock 1. Remove the positive terminal on the battery head. 2. Press the steering release lever to lower the steering. 3. Unscrew the bolts on the trim bezel and pull out the trim bezel (dashboard display cover). 4. Unscrew the bolts holding the dashboard display and wiggle it out. 5. Remove the socket at the back of the dashboard display. 6. Fix the new display, don't forget to socket the wire at the back of the display. 7. Fasten back the bolts and put back the cover. 8. Fix back the positive terminal of the battery. And you are good to go. Tools for the work Philip screw driver Flat...

Not knowing if your battery is changing can be detrimental.

Secondary air injection is an emission control system that uses pumped air to improve the gas emitted by the exhaust.  The secondary injection pump pumps in fresh air from the surrounding into the vacuum valve, which in turn opens into the exhaust as a result of the impulse coming from the ECM. This freshly pumped air goes into the exhaust manifold at cold start to react with the excess CO and HO that were produced due to the excess fuel that was injected into intake manifold during the cold start before it goes into the atmosphere.  P2442 - secondary air Injection system switching valve stuck open bank 1. P2440- secondary air injection system switching valve stuck open bank 2. Symptoms  Check engine light on.  Engine hesitates while accelerating.  Causes Faulty vacuum switching valve. Vacuum switching valve harness open or shorted.  Vacuum switching valve circuit poor connection. Faulty pressure sensor Faulty air switching va...