5.3Ltr GMC 1999 Sierra pick-up trouble code P0405 EGR position sensor low voltage. I've replaced it twice. Why isn't it staying repaired?
Asked by migration_Geraldw Jun 23, 2015 at 01:16 AM about the 1999 GMC Sierra 1500 SLE Standard Cab SB
Question type: Maintenance & Repair
3 Answers
U have a short Something burning it up I would ck tps to make sure you are not getting to much gas .rich idle
Best Answer
Mark helpful
An vacuum spray some water soapy water around egr.mist it not spray. Sorry if the ideal changes different problem