98000 miles. Code read cyl. 5 missfire, fulll tune up done, code stilll occassionally flashes usually goes back out after a few miles. Seems to run ok, sometimes 300 or more miles before reappearing. Also oil pressure gauge started today usually runs 30-50 willl occassionally fall immediately to 0 then after 30 sec or shoot back up replaced with aftermarket sender did fine for about 20 minutes then same thing, I don't hear any noise from engine when pressure drops is alll this related? You advice is greatly appreciated1 thanks guys sorry 5.7 vortec as far as last answer fuel pump? I am lost
have the same problem?
Wednesday, January 3rd, 2007 AT 8:27 PM