May 12, 20205 yr I have installed a front mount inter-cooler on my99 turbo 2000 and a cone filter. The car is mafless however upon starting its idling and not running properly and putting out white smoke through the exhaust. It is hesitant to rev. What could this potentially be down to? Could it be the dumpy valve? Could it be that it needs a map again? Could it be anything else?
May 12, 20205 yr it will need mapping for the front mount, should still idle ok so you may have nocked a sensor or coilpack adn thats cuasing the duff running
May 14, 20205 yr Tidgy makes a good point my 96 wrx idled bad due to a wire being chewed through on the maf sensor. my legacy needed the idle control valve cleaned. It’s a start at least
May 22, 20205 yr Author The car is Maffless so I initially ruled that out but to be on the safe side plugged it in encase it wasn't. I found the problem it was the Map sensor, it was disconnected when I was installing the front mount and I did not put it back in as it slid down and away from sight. It is now plugged in and idling fine which is good. I have not yet driven it as im bleeding the brakes but shall see if it needs a map.
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