hmm nah, just the A\C
all the stuff u mention, if all them drop then its the alternator
you reckon the iacv might be playing up? its not letting air in?
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hmm nah, just the A\C
all the stuff u mention, if all them drop then its the alternator
you reckon the iacv might be playing up? its not letting air in?
no if you turn them all on and it drop lots then it could be the eacv.
you really must monitor the duty cycle of the eacv to determin if its working when its gets the signal from the ecu.
swap the eacv from another car if you can and retest. another posibility is your AC compressor is crapping itself and putting more load on the engine than normal.