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17536 fuel trim lean

bucky boy

mk3 ibiza cupra owner
Jan 27, 2005
206
0
scotland
Right carried out a check and this fault has shown checked all hoses and they seem to be fine next test will be the maf if not the lambda sensor so i have been told has anyone else experienced this prob if so what was the cause.
 

neil_f225

Full Member
Mar 14, 2005
521
0
i had experience of it on a leon cupra r where the owner had fitted an ecotec valve and it caused that fault code....engine light eventually came on as well
 

bucky boy

mk3 ibiza cupra owner
Jan 27, 2005
206
0
scotland
not fitted any new mods lately that would affect this.ECU remap but this fault appeared prior to the remap.