Hi Scotty, 2003 Nissan frontier 2.4L Misfire cyl 1 Code and engine stall happening only at 1500 RPM under load (driving) If I rev it up in Park or neutral no code or stalling happen. it only happens exactly at 1500 rpm when driving. What direction should I be looking at? Thanks in advance.

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No. 1-2
Chungaleta
Chungaleta

Thanks, But wouldn't that cause a random misfire? Why only on cyl 1??

ScottyKilmer
ScottyKilmer

Editor

those are known for clogged cats, pressure test that first. Also check fuel pressure for a weak pump or clogged fuel filter

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