frankko

Update :( Fitted new plug no change? Surely that should of sorted it ! Do i need to reset ECU? Iv tried the 30sec ignition on, then pedal 3rd 2/3 then full every 30secs then off for 1 min does that work? Back to square 1 any advice would be great

Great fingers crossed il let you know thanks for your help

Quick update Iv had a look at the wiring from alternator / starter / battery and this plug looks to be the issue Its from the front of the gearbox behind the radiator underneath the battery box area pretty close to the starter Theres a blue wire hanging next to it thats came loose and the plug itself is cracked Im going to get a replacement plug tomorrow

Thanks guys il have a look at the wires tomorrow the only fault im getting is cylinder 1 misfire nothing else i clear it then its fine until im sitting at junction or parked with elecs on Its not got air con so at least it shouldnt be as complicated i hope Hopefully its an easy find thanks again for your advice il post an update tomorrow

Thanks for your response, is there a load sensor or is that the ECU? Would it likely be from alternator-battery-ecu wiring or can it be anywhere? Is there anyway to test the wires/plugs with a voltmeter? Or is it purely looking for broken wires? Sorry for all the questions its really hacking me off!! Thanks again really apprieciate it

Hi can anyone help on this? Iv now tried swapping the coils round car is perfect idle 800rpm until i turn on lights/heater/back window heater then it drops revs for 1sec to 750rpm then comes back up to 800rpm but then starts swinging / hunting between 750-850rpm then the EML flashes about 10 times then goes solid If i increase revs while eml flashing it goes out Or if i keep revs around 1000rpm it never comes on? New battery Replaced alternator 14.6v reading New plugs Swapped coils Issue always cylinder 1 misfire Im stumped :( Can it be mass airflow? Or lambada? If i never used elecs it never comes on Plus just lights on its fine but lights + fan or window heater it comes on Any advice would be great thanks

The alternator is off a 2002 1.2 - 3 cylinder fabia petrol iv asked the supplier they said it was working car so unsure whats going on :( it does have a bit on the back of it where the wiring goes into would this be the regulator? How would i check it? Seems crazy that the old alternator was giving not enough volts now this one is too much iv just been out and checked earths etc and its reading bang on 16.4v when idling too dark now to try anything else Youd think that with 16.4v everything would run better/faster not worse and nearly stall :( Thanks for your help so far

Ok thanks is that not part of the alternator?

Hi guys, iv just checked the voltage on the replacement alternator and the voltage is 17v is this normal? iv read that it should be 14v, how can this be? any advice welcomed im really stumped now, also getting an intermittent error code of cil 1 circuit fault + the cil 1 misfire, no EML while driving, all driving is ok , idle is ok turn on elcs/lights/fan/window heater drops from 800rpm to around 700rpm then light comes on flashing about 5 or 6 times then if i rev engine above 2000rpm light goes out if i do nothing EML goes solid with cil 1 misfire error code any advice welcomed thank you

The battery is new no issues with lights on dash after starting until i use elecs plus new alternator :( thinking its gotta be coils or wiring? Earth maybe?

Hi guys iv fitted a new alternator this weekend and still no change :( Idle is fine until i use elecs then drops to around 7000rpm then eml comes on with cil 1 missfire New battery new plugs new alternator no change :( Can it be a coil issue?

Ah i tested the battery when it was running it was 13 something :( could it be an earth? Is it a nightmate to change the alternator? New belts n stuff? Its totally fine until i use fan or rear window heater its really bad with both on at same time!

Ok just fitted a new battery and still seems the same? Will i need to reset anything? Or will it take time to sort out the idle?

Ah ok thank you would that lead to less elec getting to coils?

sorry forgot to say i get fault code of misfire 16685