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Low RPM miss...black smoke(please help)?

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Old 06-09-2002, 01:20 PM
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Default Low RPM miss...black smoke(please help)?

ok...here is my problem...I hogged out my cats and installed 02 sims in the rear. And ever since the car hesitates at low rpms, like when i am just cruisng down the road in OD. When I step on the gas it clears up but when i do , a giant cloud of black smoke exits the exhaust. As you can imagine...this is very embarrasing. Also, when the car is missing at low r's the SES light is blinking and when i floor it it stops blinking and just goes to constant. Does anyone know what would cause this?
Old 06-09-2002, 05:21 PM
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Default Re: Low RPM miss...black smoke(please help)?

take out the 02 simms and take it for a run
Old 06-09-2002, 05:31 PM
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Default Re: Low RPM miss...black smoke(please help)?

and run it without any 02's connected or connect the factory ones?
Old 06-09-2002, 09:59 PM
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Default Re: Low RPM miss...black smoke(please help)?

anyone else ever have this problem
Old 06-10-2002, 11:22 AM
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Default Re: Low RPM miss...black smoke(please help)?

Do I need to change my a/f




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