Compression test
To perform a compression test on this engine, you need to have a diesel compression gauge and a glow plug adapter. Remove all the glow plugs to check any cylinder. Crank the engine at least five revolutions and the same number of revolutions for each cylinder. It would probably be a good idea to have a battery charger hooked up during the test. Ford lists no compression specs for these engine, only stating the lowest cylinder should be no more than 25% lower than the highest cylinder, with a low to high comparison chart showing a range of 195 to 440 PSI. In reality the compression should be at least 350 psi.
Timing these engines depends on what equipment you have. Luminosity probe timing gauges depend on fuel cetane level, engine and ambient temperature and can read as much as 10 degrees retarded from the actual injection time.
Cylinder missfire
Don & Donna
Vancouver Island
2005 Ford F350 V10 Lariat CC 4x4 LB SRW 11200 GVWR
2006 Montana 2955RL
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