LHT C20XE
Member
Registered: 15th Mar 13
Location: York, north yorksire
User status: Offline
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my corsa redtop is running very strangely ive been told its literally everythink on the engine but i need someone who actually has there head screwed on please
right it missfires like mad its not like a plug gone it just goes completely, cant pull out of junctions, its literally undrivable, but it changes its mind all the time.. ill start form 2 day ago, car was running fine it has don it before now but not as bad, my mate wanted to see how it compared to his car so i took it down the bypass and as i was coming up to roundabout it felt powerless at low revs as usual so i turned round and killed it back to where i was when i got there it was struggling to rev literally could not move, the on board diagnostic was reading oxygen sensor, hall effect switch and injector 1 2 and 3 so all i did was took battery off for half hour then it was fine, was driving round perfectly then a few hour later it did it again so i did same again it ran for about 2 min then went crazy missfiring so i took the bypass home and it was fine again when i pulled off so i drove round trying to get it go wrong but it wouldnt, i was sat with car running and engine management came on so i used on board diagnostics again and it read oxygen sensor but a diff code to last time and it also read crank sensor, and this was when it was running fine? so i went to bed and started it up today drove fine to petty station going down my street and it was at it again it really pissed me off so i thrashed the arse off it overtaking a mini and engine light flickered and car died all revs dropped on dash then it kicked in again then did same again and kept doing it till i drove home now its just constantly missfiring so i gave up, i have tried plugs,leads, airflowmeter, re-wired all loom dissconected oxygen sensor, ive got a knock sensor on way as that code came up a while ago and getting a crank sensor tomorrow, dunno if its worth it cos if a crank sensor goes it ususally doesnt run at all, anyone have some good advice, sorry for the essay! 
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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Change the cranksensor and clear the codes,the car can still run with a bad cranksensor just depends on what part of the sensor is naf.sometimes the sheilding degrades at the sensor and where it goes near heat.
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LHT C20XE
Member
Registered: 15th Mar 13
Location: York, north yorksire
User status: Offline
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Wasnt the crank sensor  the on board diagnostics was reading low voltage on the hall effect switch? Is that in the destributor? Also my fuel relay is now bussing when the ignitions on so gonna get a new fuel relay and distributor
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