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BigJimnyMeet (North) 2024 (12 Jan 2024)


BigJimnyMeet 2024

14th July 2024
Parkwood Nr. Leeds

Booking now open - EARLY BIRD DISCOUNTED PRICE

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Intermittent miss fire

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17 Nov 2019 21:39 #215725 by 1390_taz
I have a 2006 VVT Jimny which has a miss fire still occurring after changing plugs, leads, and coil packs. have been told it could be the cam-shaft sensor. Could someone enlighten me how it could be at fault please.

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17 Nov 2019 23:17 #215728 by yakuza
Replied by yakuza on topic Intermittent miss fire
Any engine light or fault codes?
When does it occur, at load or any particular situation or rev/rpm?

Norway 2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, ARB rear lck, 17%/87% high/low gears.

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17 Nov 2019 23:37 #215729 by 1390_taz
Replied by 1390_taz on topic Intermittent miss fire
No engine light, no codes. Usely under load and sitting at traffic lights

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19 Nov 2019 00:43 - 19 Nov 2019 00:46 #215754 by Scimike
Replied by Scimike on topic Intermittent miss fire
I believe the camshaft sensor determines which cylinder is firing for injector synchronization and coil firing sequence, the Crankshaft sensor sets ignition timing (advance/regard) as a function of the RPM signal. The hardtop M13AA and VVT engine has both which should apply to your vehicle. So the likely problem (but not guaranteed) of a faulty camshaft sensor is a miss fire or cut out, the crankshaft sensor is failure to start or poor economy / performance.
From reading posts on this forum the Jimny camshaft sensor can cause a miss fire when hot, cooling it with water can temporarily restore normal operation until it warms up again. Not sure if you get any fault codes in the ECU though.
Not much else left to change, but always worth a look at engine earth's to ensure they are in good condition, as a poor earth can generate many symptoms and costs nothing to fix.
Good luck
Mike

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
Last edit: 19 Nov 2019 00:46 by Scimike.
The following user(s) said Thank You: 1390_taz

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