Chevrolet Corvette Stingray C7 Forum - View Single Post - Girlfriend's car check engine

Russell James · 12-09-2014, 03:20 PM

It looks like the ECMs look for amps there, not volts. So a high resistance connection or ground somewhere could cause the issue. Or a bad O2 heater element. Might show near normal volts at the connector, but amps out of whack once plugged in.

12-09-2014, 03:20 PM	#4
Russell James Drives: '15 SS 1LE, '69 Z28 drag car Join Date: Dec 2009 Location: Mich Posts: 4,482	It looks like the ECMs look for amps there, not volts. So a high resistance connection or ground somewhere could cause the issue. Or a bad O2 heater element. Might show near normal volts at the connector, but amps out of whack once plugged in.