G GummyStang New Member Jul 1, 2023 1 0 1 Jul 2, 2023 #1 Jul 2, 2023 #1 2000 GT switches from open loop to closed loop 10 to 13 seconds after start. Doesn’t matter if it’s a cold start or hot start. No CEL. Is it normal? Could I have a bad ECM?
2000 GT switches from open loop to closed loop 10 to 13 seconds after start. Doesn’t matter if it’s a cold start or hot start. No CEL. Is it normal? Could I have a bad ECM?
