Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to find a vacuum leak [title] Consult the vacuum diagram of your engine. [step] In order to understand where your engine's vacuum hoses are and what areas might be leaking, you can look at a diagram that details how the vacuum system works. These diagrams can typically be found in repair manuals made for your specific make, model, and year of car.

Ending1: [substeps] The diagram should be full of exact measurements so you can figure out how to solve the problem based on those measurements. Some diagram diagrams use " v, " which stands for a cycle, while others use " h, " which stands for " space. Ending2: [title] Find the closest clean-up station. [step] Many people refer to gas stations or grocery stores as home cleaners as they process their coolant, wiping up any mechanical waste, relocating engine fluids, and tailgates. Ending3: [substeps] Many repair manuals can be bought from online retailers or can be found online in digital form. [title] Start the car and listen for a hissing sound. Ending4: [substeps] The diagram can help you keep track of the work that you're doing with your specific model of machine. [title] Locate the exhaust pump, or compressor, that controls the air flow.

Answer format: ending1/ending2/ending3/ending4