Open the hood of your vehicle and find an accessible vacuum hose connected to the intake manifold of your engine. Jan 27th, 10
Or run an errand but take your car for a minute drive on the highway. This means your engine is in fairly good condition, taking mileage into account. Comments are not for promoting your articles or other sites. As pistons go up and down during their intake and exhaust strokes in their cycle drawing of the air-fuel mixture into the cylinder and expelling of exhaust gases , a relative vacuum environment is created inside the intake manifold.
I tried one of the ports off the base of the carb and the vac seems a bit low, My the port on the carb is where you want to hook up your gauge. So where do you hook up the vacuum gauge for idle mixture. Do you remove the vacuum line that goes to the distributor and hook it up there?.
It says my timing needs to be advanced.
Find Nova Parts at SS If the needles moves from its initial position and then stops, note the starting and ending point distance in in-Hg and whether the needle moved fast or gradually. Mechanical and System Problems Affecting Vacuum To operate properly, an internal combustion engine needs a relatively sealed environment where to create and control vacuum. I was wondering if taking the PCV out of the system would effect the result when measuring vacuum. You should pick up a vacuum test gauge and read through the instructions with only a little practice, a vacuum gauge can tell you more about an engine's health than ten other gauges my dsm:. Start the engine and let it idle for about 15 or 20 minutes to bring it up to operating temperature. I want to Chat.
Dan Ferrell writes about do-it-yourself car maintenance and repair. He has certifications in automation and control technology. A vacuum gauge helps you diagnose many car mechanical problems without using expensive tools or taking apart the engine to analyze each component. For example, a vacuum gauge will track down worn out piston rings and cylinder walls, a damaged head or manifold or throttle body gasket, a carburetor in need of adjustment, a restricted exhaust system e. Within the last few years, vacuum gauges have slowly been replaced by a number of specialized and expensive tools. Yet, this simple and inexpensive tool can still save you a huge amount of time and money when troubleshooting potential engine mechanical problems. And many professional car technicians still use Best place to hook up vacuum gauge.