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16-06-2024, 04:50 PM
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MacClive
Join Date: May 2024
Posts: 3
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I just replaced the head gasket on my 2007 Mondeo XR5 and am having an issue with Cylinder 1 not firing.
Th engine light is NOT on. Car idles OK, but if I disconnect and reconnect the coil lead on Cylinder 1 there is no change in performance. If I disconnect any other coil performance deteriorates and then gets better when it is reconnected (as you wourl expect. My ODB intermittently tells me that Cylinder 1 is failing with a P301 error code. If I am driving, it feels like the cylinder is trying to kick in when I accelerate. We've tested the spark, which looks strong and have swapped coils and sparkplugs with other cylinders. We listened to each injector using a screwdriver as a stethescope and they all sound the same. Any suggestions appreciated. |
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Cylinder 1 not firing on 2007 Mondeo XR5
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