Tech Support Forum - View Single Post - 1991 3.1 mpfi cavalier rs wont start no engine light

**octaneman** · 05-30-2009, 08:31 PM

Hi billsbigf8

Disconnect the fuel regulator and see if the pressure drops. If it does drop then the pump is going bad or you got an air pocket somewhere in the gas line. If it doesn't drop then the regulator is bad.

Good luck !

05-30-2009, 08:31 PM	#4 (permalink)
octaneman Mentor Home Support, Gearhead Automotive Center Join Date: May 2009 Posts: 551 OS: WINXP	Re: 1991 3.1 mpfi cavalier rs wont start no engine light Hi billsbigf8 Disconnect the fuel regulator and see if the pressure drops. If it does drop then the pump is going bad or you got an air pocket somewhere in the gas line. If it doesn't drop then the regulator is bad. Good luck !