Author Topic: lumpy miss fire  (Read 1280 times)

dellenty69

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lumpy miss fire
« on: 18 November 2010, 13:17 »
my car is fine, but if i drive it hard or even just accelerate up to 100 in 5th, when i come to a stop i get a realy lump tick over, switch car off for 5mins, and its fine again.

no fault codes are realy showing. (apart from pressure drop etc)

james

Offline sharki786

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Re: lumpy miss fire
« Reply #1 on: 18 November 2010, 23:23 »
got the right type & amount of oil in there? type of car aswell
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dellenty69

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Re: lumpy miss fire
« Reply #2 on: 19 November 2010, 00:05 »
mk4 golf 1.8t AUM engine.

to be honest iv never bought oil for it, bought it back in march and it had just had a full service. i think its 5/30 that i have a spare bottle off.

could poor oil or the wrong oil cause a lumpy tick over?

regards james

Offline sharki786

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Re: lumpy miss fire
« Reply #3 on: 19 November 2010, 00:50 »
dont forget the engine will increase with heat when you give it some = oil goes thinner and then you hear everything. same happened with me when i used to use valvoline oil switched to mobil 1 and i cant complain.
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Offline sharki786

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Re: lumpy miss fire
« Reply #4 on: 19 November 2010, 00:52 »
p.s cheap oil can cause that, see some people wont ask or forget to ask what brand oil was used, when they buy or view a car. as far as you know carlube oil could have been used (its SH1T!)
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