4HL1 engine firing order needed

2005 ISUZU NPR
295,000 MILES
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ERNEST KISIGIRO
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I need to know firing order and tappet clearance for this engine.
Jan 24, 2021 at 11:29 AM
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KASEKENNY
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Unfortunately we don't have a manual on the L1 engine. However, we have a sister "H" vehicle which is the 4HK1 engine and I attached the specifics to that one below.

Sorry for not having the exact engine but they don't offer that in the USA so we don't have a manual on it.

Thanks
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Jan 25, 2021 at 6:11 PM