Fuel pumps - Page 3 - ZR-1 Net Registry Forums

-=Jeff=- · 04-11-2009

Quote:

Originally Posted by LGAFF

64Right oxygen sensor voltage was below 0.2 volts for 50 seconds of closed loop operation.

Check the O2 Grounds

LGAFF · 04-11-2009

Where are the wires grounded?

-=Jeff=- · 04-11-2009

Check the pins at ECM to Ground with DVM..

but the ground lug for the O2 is on the Bell housing

LGAFF · 04-11-2009

Thanks Jeff

04-11-2009	#22
LGAFF Join Date: Mar 2007 Location: Crystal Lake, IL Posts: 7,194	Re: Fuel pumps Where are the wires grounded? __________________ LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359

04-11-2009	#23
-=Jeff=- Join Date: Jul 2007 Location: Bartlett, IL Posts: 7,169	Re: Fuel pumps Check the pins at ECM to Ground with DVM.. but the ground lug for the O2 is on the Bell housing __________________ 1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978

04-11-2009	#24
LGAFF Join Date: Mar 2007 Location: Crystal Lake, IL Posts: 7,194	Re: Fuel pumps Thanks Jeff __________________ LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359