Misfire Cylinder 1 - P0301
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Newbie
Joined: Mar 2014
Posts: 9
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From: NJ
Year: 1997
Model: Cherokee
Engine: I6
Misfire Cylinder 1 - P0301
97 XJ. 2dr. 5Speed. I6. 46K
Its not a dead misfire, I can clear the code and drive 5 to 10 miles before the light comes back on. Engine has NEW cap, rotor, plugs, wires, and head gasket.
- I swapped injector 1 with 2 but light came back on in cylinder 1.
- Checked compression; Cylinder 3,4,5,6 all at 140 but Cylinder 1 and 2 at 110 (a little low but I’m not getting a misfire in Cylinder 2)
- Put oil in cylinder and compression didn't change.
Any thoughts?
Update: Since the car has little miles and hasn't really run in a while i put some top engine cleaner in... the light has not come on after a week roughly 250 miles.
Its not a dead misfire, I can clear the code and drive 5 to 10 miles before the light comes back on. Engine has NEW cap, rotor, plugs, wires, and head gasket.
- I swapped injector 1 with 2 but light came back on in cylinder 1.
- Checked compression; Cylinder 3,4,5,6 all at 140 but Cylinder 1 and 2 at 110 (a little low but I’m not getting a misfire in Cylinder 2)
- Put oil in cylinder and compression didn't change.
Any thoughts?
Update: Since the car has little miles and hasn't really run in a while i put some top engine cleaner in... the light has not come on after a week roughly 250 miles.
Last edited by Treelo; Mar 16, 2014 at 10:16 PM. Reason: Fixed
Seasoned Member
Joined: Dec 2009
Posts: 387
Likes: 2
From: Colorado
Year: 1997
Model: Cherokee
Sure, since you have a `97, read this recent thread: https://www.cherokeeforum.com/f2/wha...997-xj-189946/
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