LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Will a LT1 run without the O2s hooked up?

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Old 08-18-2007, 01:38 AM
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Default Will a LT1 run without the O2s hooked up?

I tried to start it without them hooked up to see if the car would even run, i think it is bad gas but can it be this? I doubt it but i figgured it is worth asking, i done feel like crawling under my junk till wednsday.
Old 08-18-2007, 01:39 AM
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yes. itl run like ****.
Old 08-18-2007, 01:45 AM
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I thought so, just hoping....i am sure it is bad gas, i spray fuel into the intake and it sputters and then just turns over, i am sure ut us due to pulsing in bad fuel so it doesnt do more than sputter a bit with the good gas sprayed in.
Old 08-18-2007, 01:57 AM
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the engine dumps more fuel into the motor cuz it thinks it needs it to keep it running get some 02's
Old 08-18-2007, 01:58 AM
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But it would still run, just rich...well, i think ill direct connect the fuel pump to the battery to get the fuel out, that'll work.
Old 08-18-2007, 03:39 AM
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It will definitely run. You will just get bad gas mileage and it will feel like it doesn't have as much power.
Old 08-18-2007, 06:16 PM
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If I remember right, the PCM doesn't use the O2 sensors until the car is in "closed loop" under normal operation anyways.

Sara Lou
Old 08-18-2007, 06:26 PM
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i did it for 3 days on my t/a burned shitload of gas. better have it run rich than lean



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