Hi everyone,
The other day I was driving to a customers house, and I went over a bumpy road, and my 1.2 Stilo just started acting very strange, misfires at ANY revs, its almost like if I put the accelerator down fully it starts to judder, but if I keep it like half way up it doesn't.
I've had issues with the ignition coils in the past, I changed all the sparks about 3 months ago, so its doubtful they have gone. I've checked the condition of them and they all seem fine.
However, when I checked, it came to my attention that the hole to bolt the ignition coil to the engine has been cross threaded, and hardly has ANY thread on now at all. I cant tighten the bolt up enough to hold it securely in place,the spark plug pocket was full of oil/fuel which again isnt a good sign so I cleaned it up, but then noticed a big brown stain down the front of the engine from where the ignition coil sits. (Which I hope is oil and nothing else lol)
The ignition coil now will move up and down and rattle, probably moves up from the engine about 1mm-2mm, could this be the cause of misfires?
OBD is showing "Generic Misfire", nothing any more specific. The engine light does flash and beep constantly when I try to give it the beans, but it returns to normal when I stop accelerating.
I suppose my question is, could this loose fitting on the ignition coil be the cause of the misfires, or should I be looking somewhere else? And how the hell do I fix it with a strong enough fitting to handle the pressures of the engine, I was thinking helicoil + loctite?
Thanks,
Phil
The other day I was driving to a customers house, and I went over a bumpy road, and my 1.2 Stilo just started acting very strange, misfires at ANY revs, its almost like if I put the accelerator down fully it starts to judder, but if I keep it like half way up it doesn't.
I've had issues with the ignition coils in the past, I changed all the sparks about 3 months ago, so its doubtful they have gone. I've checked the condition of them and they all seem fine.
However, when I checked, it came to my attention that the hole to bolt the ignition coil to the engine has been cross threaded, and hardly has ANY thread on now at all. I cant tighten the bolt up enough to hold it securely in place,the spark plug pocket was full of oil/fuel which again isnt a good sign so I cleaned it up, but then noticed a big brown stain down the front of the engine from where the ignition coil sits. (Which I hope is oil and nothing else lol)
The ignition coil now will move up and down and rattle, probably moves up from the engine about 1mm-2mm, could this be the cause of misfires?
OBD is showing "Generic Misfire", nothing any more specific. The engine light does flash and beep constantly when I try to give it the beans, but it returns to normal when I stop accelerating.
I suppose my question is, could this loose fitting on the ignition coil be the cause of the misfires, or should I be looking somewhere else? And how the hell do I fix it with a strong enough fitting to handle the pressures of the engine, I was thinking helicoil + loctite?
Thanks,
Phil