reg_lus New Member Aug 3, 2011 #1 GSR swap in Eg and check engine light came on for fuel pump. Do I have to use GSR Fuel pump? When I had the original single cam motor, there was no Check engine light....Any clue? Appreciate help!
GSR swap in Eg and check engine light came on for fuel pump. Do I have to use GSR Fuel pump? When I had the original single cam motor, there was no Check engine light....Any clue? Appreciate help!
reg_lus New Member Aug 3, 2011 #3 thenoxus1 said: Which code exactly is it throwing? Click to expand... it's throwing 43
mjones73 New Member Aug 3, 2011 #5 Code 43 is for extended rich or lean conditions. It could be a fuel pressure issue (bad pump, clogged filter, clogged injectors, etc) or just your O2 sensor going bad. I'd start with the O2 sensor to make sure it's reporting right.
Code 43 is for extended rich or lean conditions. It could be a fuel pressure issue (bad pump, clogged filter, clogged injectors, etc) or just your O2 sensor going bad. I'd start with the O2 sensor to make sure it's reporting right.
