Do I need to disconnect battery to change spark plugs?
No. The battery will not cause any problems when changing the plugs. The one thing to avoid is accidentally dropping a tool and having it contact the positive battery terminal and the car body. If this occurs, you will get a spark and possibly blow a fuse.
Should you put oil on spark plug threads?
Thread breakage can sometimes involve removing the cylinder head for repair. Metal shell stretch changes the heat rating of the spark plug and can result in serious engine damage caused by pre-ignition. Do not use anti-seize or lubricant on NGK spark plugs. It is completely unnecessary and can be detrimental.
How long to disconnect battery from Toyota Camry?
How long you should disconnect the battery is a matter of debate. To be safe and make sure the process works, leave it disconnected for about 15 minutes to ensure that all of the backup memory has been erased. Figure 2. Toyota Camry battery.
How to troubleshoot electrical wiring in a Toyota Camry?
When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit.
What should I do after resetting the ECU on my Toyota Camry?
All that’s left is to reconnect the negative terminal of your car’s battery by reattaching the battery cable to the terminal and tightening the nut to ensure a solid as well as complete connection. Some people report that their engine runs a little rough or idles poorly after they have reset the ECU.
How to clear the Check Engine light on a Toyota Camry?
Let’s take a look at how to clear that pesky “check engine” light, so you don’t panic when driving down the highway. It’s a simple process to clear the light and your stress. This article applies to the Toyota Camry (1997-2011).