help

[squeakymon]

car was idling rough so did code check
came up as 12 so i changed the afm
idles fine now but if i turn anything electrical on (lights,windows,heater etc) revs drop to 300-400 nearly stalling
re-done code check and comes out as 55 all clear

any suggestions

cheers

 

[JIMMYBACK]

dodgy batt? have you checked the leads of the alterator

 

[squeakymon]

batterys fine

and alternaters charging ok

 

[Shaun]

Re-check the alternator,you need to start the car,turn all electrical items on,heater,lights,hazards and so on and then test it across the battery terminals to check the voltage,should be no less than 13.6volts.

 

[squeakymon]

cheers

just checked battery again and its 12.4v so i gather its the alternater circuit