larry Posted May 12, 2020 Share Posted May 12, 2020 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? Quote Link to comment Share on other sites More sharing options...
Tidgy Posted May 12, 2020 Share Posted May 12, 2020 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 Quote Link to comment Share on other sites More sharing options...
David Wilkinson Posted May 14, 2020 Share Posted May 14, 2020 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 Quote Link to comment Share on other sites More sharing options...
larry Posted May 22, 2020 Author Share Posted May 22, 2020 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. Quote Link to comment Share on other sites More sharing options...
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