Third Generation F-Body Message Boards - wat causes a car to run good when hot

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- - wat causes a car to run good when hot (https://www.thirdgen.org/forums/tech-general-engine/293602-wat-causes-car-run.html)

miacamaro305

04-25-2005 02:21 PM

wat causes a car to run good when hot

hey just one quick ?wat can cause a car to run really bad when cold but then run perfect when it reaches a lil above working temp?????

cooltc2004

04-25-2005 02:38 PM

define really bad running

miacamaro305

04-25-2005 02:46 PM

like light backfire and missing.it limps to get rpms

mystikkal_69

04-25-2005 02:50 PM

open loop when cold and closed loop when hot.

ie when in closed loop the computer can compensate for something being not quite right while when in open loop it cannot.

miacamaro305

04-25-2005 03:10 PM

okay but wat can it be?i put a new distribtor and new coil like 2 weeks ago.

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