What is the firing order for a Toyota pickup with a 22R?

The firing order for a Toyota pickup with a 22R engine is 1-3-4-2. This means that the cylinders fire in that specific sequence for optimal engine performance. The 22R is a 2.4-liter inline-four engine commonly found in various Toyota models from the 1980s and early 1990s. Proper understanding of the firing order is essential for tasks like ignition timing and troubleshooting engine issues.