Question about Isuzu Trooper
Try a compression check of every cylinder. A blown head gasket could be the result. 1. Remove the coil wire. 2. Remove a spark plug wire and plug. You should do 1 at a time. 3. Install a compression gauge. 4. Have a second person crank the engine until the gauge is at the appropriately rated pressure and write it down. 5. Do this with each cylinder. 6. Compare the readings on each cylinder. Every cylinder should be about the pressure. Of course engines with a lot of miles can normally have a little difference in pressure,but not too much. The one with the lowest reading could have a bad head gasket,resulting in overheating,and hard starting.
Posted on Oct 06, 2010
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Posted on Jan 02, 2017
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