Rough idle help please!!!!!

tcrow31

Registered User
its a 90 SC and it was running fine i shut the car off for 5 mins ran in side to grabe something out of the apt. and started it back up and now its idleing rough and running rich. No check engine lights have come on or anything. does anybody have any ideas on what it could be???.......Tim
 
tcrow31 said:
its a 90 SC and it was running fine i shut the car off for 5 mins ran in side to grabe something out of the apt. and started it back up and now its idleing rough and running rich. No check engine lights have come on or anything. does anybody have any ideas on what it could be???.......Tim
it is probably in "limp home" mode, get the error codes and see which sensor isn't doing it's part . maybe just bad connection
 
alright i did the self diagnostic and these are the codes i got 12, 38, 52, 5, 1, 11. 38, 5, 1 are not in the chilton book and i ran the test 3 times and i got the same results. does anybody know if any of these codes will cause the car to run rich and rough?
 
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