miss fire and no electrics.

[gold1412]

Hi guys, iv got 2 faults that I'm not sure are related.

First of all the car doesn't get driven much at all. when its not being driven i disconnect the battery so it doesn't get drained.

I came to take it out the other day, fired straight back up but i have no ayc lights on, the abs light is on, no power to the air con and blower unit and my key remote will not lock or unlock the car, i have to do it manually, i have checked the fuses and i cant seem to find any that have blown. Any ideas.

Next fault,
The car is miss firing under heady load, it runs ok if i take it steady but as soon as i load up and give it some it just back fires like crazy.
Its had new spark plugs fitted and a new coil pack last year. Any ideas.

Thanks guys.

 

[RonTCY]

If this unit didn't drive much, even new spark plugs doesn't stay longer, i have miss fire problem as well, but mine was fuel injector problem causes miss fire, the other electronic issues maybe causes by mice, the place you park the car might very suitable for mice habitat, they bite wiring.