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in j gears 7cdti juddering astra 1 2011 higher

Astra J 2011 1.7Cdti Juddering in higher gears
#3
Hi Rusty,

That’s right, in gears 4-6 if the revs are below about 1800 it shudders a bit like a misfire, it’s only slight in fourth but in fifth and sixth it’s far more pronounced. I’ve taken the vacuum solenoid for the wastegate off and cleaned the little filter, checked the resistance through it and across the pins and all seems well. Next step is to clean out the maf sensor and find some figures to measure resistance. Also thinking it might be worth checking the injector leak off rates too as it’s a bit noisy and roughat start up

Been looking at opcom but seems too many scam sellers about can you recommend a reliable source for supply. I use a Mac and I know it’s only suitable for windows but could install it on a windows laptop I have lying around but what’s its limits with the operating system it needs ?

Cheers in advance for any help or info


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Astra J 2011 1.7Cdti Juddering in higher gears - by Mark72 - 25:th-Apr-2020, 16:20:53

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