nissan navara d21 z24 rough idle

no compression in #4, running on 3 cylinders. spark ok changed the leads and iridium plugs. usually runs fine at 500-600.

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Autos & Vehicles

[kirishnicov]

diagnosis complete, was actually running on two cylinders, head gasket had split between 3rd and 4th causing low comp and rough idle

[SAAD2409]

غير البواجي

[SSTrunks123]

mines doing the same and i got the manifolds off and about to pull the cylinder head off tomorrow, yours make a tapping noise when you reffed up the engine also?

[oldsmobiletw]

i 100% right before i even read these comments. mine split between 3 and 4 too.I was wondering what was causing it thought it was a ignition problem but it turned out to be a headgasket.

[dkkid]

dude that might be wats wrong wit mine