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nightstalker
06-10-2011, 08:43 PM
my 93 teg is throwing a code 43 ( fuel supply system) does anyone know what that means and what causes it
*EFilliated*
06-10-2011, 08:50 PM
Could be 02 sensor, or fuel supply system
94_teg_ls
06-10-2011, 09:50 PM
my issue with code 43 was fpr
turbob20
06-21-2011, 01:01 AM
sometimes fpr or just a bs code for evap purge system or bad gas cap maybe. this is the hardest code to figure out. i used to only get it with a p28 and pop my p30 in no more problems. nothing to worry about id just turn my ign off going down rd then back on and clear it sometimes it wouldnt come back for months.
4wslude
06-24-2011, 12:12 AM
When my car threw that code it was te fuel pressure regulater on the end of the fuel rail the one that holds the fuel line to the rail the one with that plastic cap on it
turbob20
06-24-2011, 02:13 AM
fuel return line that is on the drivers side! do you have an after market fpr? if so it usually makes the code kick!