Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to clean exhaust manifolds [title] Use your owner's manual to locate the exhaust manifold. [substeps] 4-cylinder engines have one exhaust manifold. 6 or 8-cylinder vehicles have two manifolds.

Ending1: Look for the manifold in front of the engine block on a front-end driven vehicle. Find the manifold on the side of the engine block on a rear-driven. Ending2: [title] Locate the plate for the exhaust manifold. [substeps] 16 cylinder engines have two exhaust manifolds. Ending3: 7 valve manifold engines have more than one, although exhaust manifold engines have three smallest manifolds. [title] Remove the engine cover and open the airbox (front) of the manifold. Ending4: Your vehicle should have four or more manifolds.. however, if you can identify the exhaust manifold just by looking in the manual, you can also locate the exhaust manifold with a flashlight, or do something other than searching yourself.

Answer format: ending1/ending2/ending3/ending4