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ls1 runing fat

This is a discussion on ls1 runing fat within the Computer & Tuning forums, part of the LSx Technical Help Section category; what sensor or could cause to run fat thanks gary...

  1. #1
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    1998 ss camaro

    Smile ls1 runing fat

    what sensor or could cause to run fat thanks gary

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    Moderator 35th-ANV-SS's Avatar
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    02 35th LE Camaro SS

    The most common part that can cause a car to run rich is the O2 sensors. There are many other causes, a leak in the intake, leak in exhaust before the O2 sensors, cracked or disconnected vacuum hoses, fuel pump, clogged fuel lines/filter.

    Do you have any codes?

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    ^^ What he said. What makes you think it is running rich?

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    Moderator 35th-ANV-SS's Avatar
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    Is there black soot in the tail pipes? Also, if you pull a plug, most likely you can tell if the car is running rich if they look black.

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