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P0303 finding reason for misfire

 
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Old 25 May 2015, 10:41 am
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Default P0303 finding reason for misfire

I want to find out what the reason can be for the misfire in cylinder 3 I have sometimes, code P0303.
I've a 1.6 engine with LPG installation and has only 75000km.
Misfire comes when I go in higher rounds/min (4000) when I start driving after a red light (traffic light).
Also only when I drive on LPG gas (no misfires on benzine).
When i drive normal (3000 rounds/min) on highways no misfires.
When I drive in the city (with 5 people) after a while got misfires when the engine need to "work" a bit harder ( the 1.6 engine is a bit small for full loaded car, normally I drive it alone).
I changed spark plugs and my garage changed the wires but no change.
My garage say I need to change the bobbin (coil) because there are only 3 reasons for a badly ignition and the misfire.
Before I'll buy a new bobbin I want to be sure it will solve my problem.
And...my local Chrysler garage doesn't have a bobbin in stock and need to order it from Italy (I'm from Belgium).
Does anyone know where to find a bobbin more local or what aftermarked bobbin will fitt?
Any input would be good.
Thanks!

Last edited by vladlen; 27 May 2015 at 02:47 pm.
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Old 25 May 2015, 02:29 pm
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Default Re: P0303 finding reason for misfire

Was a compression check on all cylinders done and if so what was the compression?
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Old 26 May 2015, 01:31 am
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Default Re: P0303 finding reason for misfire

Quote:
Originally Posted by ptcruisersteve View Post
Was a compression check on all cylinders done and if so what was the compression?
nothing was done because my garage said it's the coil and nothing else.
was thinking to buy this bobbin:
BERU Bobine connector type SAE (0040100392) - CHRYSLER
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Old 27 May 2015, 02:47 pm
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Default Re: P0303 finding reason for misfire

found out that the airfilterbox was not correctly mounted by my garage.
i've put it back together correctly and seems the misfire is gone.
can make high rpm again and no misfire.
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