2003 no compression in 2 cylinders

[JeepSJ]

No much else known. I do know it has 120K miles. A neighbor of my dad has it for sale. Pulled from his truck when the cylinders died. Never had it diagnosed - he just replaced it with a complete unit. This has all accessories, wiring harness, ecu. Asking $1500 for it. Not sure if I want to take a change. What is possibility of just a head gasket vs something more evil?

[Kennedy]

No compression could mean broken/cracked piston bent pushrods/valves, or even a missing piston, but not likely a head gasket.

The Dmax is a very durable and very reliable engine, BUT if you run with bad injectors for long enough or over rev on an ether start things can get ugly fast.

[More Power]

No much else known. I do know it has 120K miles. A neighbor of my dad has it for sale. Pulled from his truck when the cylinders died. Never had it diagnosed - he just replaced it with a complete unit. This has all accessories, wiring harness, ecu. Asking $1500 for it. Not sure if I want to take a change. What is possibility of just a head gasket vs something more evil?

Are the cylinders adjacent to one another? A head gasket failure between two adjacent cylinders will lead to no compression in those two cylinders.

Otherwise, $1500 sounds like a good deal for all the parts included....

[JeepSJ]

Thanks guys. Is there an easy way to inspect the cylinders? Like pulling a spark plug on a gasser and sticking in a probe? I don't know the DMax well enough to know if I can pull an injector and see into the cylinder.