Compression test
(Created page with 'To check compression: Disable spark and fuel *Pull fuel pump relay, let engine idle until it stalls out. For mechanical fuel pump, I think using a vise grip and 2 thin blocks …') |
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To check compression: | To check compression: | ||
Disable spark and fuel | Disable spark and fuel | ||
| − | + | Pull fuel pump relay, let engine idle until it stalls out. For mechanical fuel pump, I think using a vise grip and 2 thin blocks of wood (to avoid crimping the soft line) on the rubber fuel line will work. This prevents fire hazard. | |
| − | + | Pull coil wire, or ECM fuse or wiring harness clip off the coil for computerized engines,- by allowing the coils to be energized you could get a serious jolt! | |
Pull the plugs(keep track where they came from and 'read' them while you're at it). Labeling your plug wires will help keep track of which cylinder they go to to assist in buttoning this all back together. | Pull the plugs(keep track where they came from and 'read' them while you're at it). Labeling your plug wires will help keep track of which cylinder they go to to assist in buttoning this all back together. | ||
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