After the engine ID pulse you have ten seconds (or so a lot of sites say….I did these things in about five seconds) to do the following: After a few seconds you’ll get the engine ID pulse–it should be the number of cylinders divided by two (e.g. there are lots of other sites that tell you exactly which pins to short and connect to for the test.Ģ. Set up the voltmeter (analog works best–I wasn’t getting good reads with my digital voltmeter). I have a 1987 F-150 (302/5.0L), and this is the order of operations for the Key On Engine Running (KOER) test:ġ. Bank-fired means the injectors fire in sets of four (on the V8) instead of each cylinders injector firing at the appropriate time.Īlso, the order of operations for reading codes on my truck seems to be a little different than most of the tutorials I found. The older Ford trucks are all bank-fired. ![]() I spent 3 + hours trying to get my truck to run a cylinder balance test…I finally decided that it just wasn’t going to do it, and on further research I discovered the cylinder balance test is only available for Sequentially Fuel Injected (SEFI) engines.
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