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gt4 over fuelling at idle

hrcbob · 2012-08-09 21:12:49

Hi folks,, My relic of a gt4 celica is poisoning itself with fuel at idle once it warms up a bit and starts to run on the closed loop injection.. When its cold and workin off the base map its perfect but as it warms it starts to run lumpy and it stinks.. A diagnostic check showed up no faults so i replaced the o2 sensor…

09-08-2012 09:12PM

#1

hrcbob

Registered Users, Registered Users 2 Posts: 273 ✭✭

Join Date: April 2010

Posts: 253

Hi folks,,
My relic of a gt4 celica is poisoning itself with fuel at idle once it warms up a bit and starts to run on the closed loop injection.. When its cold and workin off the base map its perfect but as it warms it starts to run lumpy and it stinks..

A diagnostic check showed up no faults so i replaced the o2 sensor and checked out the airflow meter with a multi meter and its all as per manual,,
The map sensor seems to be ok too as disconnecting it from the inlet causes the engine tone to change slightly,,

Any ideas?? As its an old relic i dont want to go mad spendin cash on it so toyota is gon ig to be my very very last resort,, thanks,,

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