2002 GMC Envoy Q&A
2002 GMC Envoy Question: replacing the oil pressure switch
The engine oil pressure switch on your 2002 GMC Envoy is located in the housing just above the oil filter. You will most likely need a special socket to remove it. - Jim Taddei
Since last August 2014 my 2005 GMC Envoy XL with now 130,000 miles has been having intermittent starting problems. Last August while driving to the beach the Envoy died. AAA tow came but after wait...