92 yukon runs rich

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SunlitComet

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make sure you have the correct thermostat installed. verify temp with a temp probe or ir gun at the thermostat housing while engine is and hosing is hot or with a scanner and put a converter back on there where it belongs. taking it off just causes problems. oh and it is a federal crime too.

---------- Post added at 04:22 PM ---------- Previous post was at 04:21 PM ----------

The dash :laughing1:

Ran at 195 until I put in this all aluminum 3 row radiator, then it stops at about 180.

Mine at start up warms up to just over 210 and then immediatly drops to 150 - 160 and stays there

verify temp with a temp probe or ir gun at the thermostat housing while engine is and hosing is hot or with a scanner
 

Gzes

the drifting 2dr
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Na on his year cat doesnt do anything bad because the pcm doesnt care. As long as he isnt in an emmision state then its alright
 

retorq

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Change/check the thermostat, it could be stuck open if it's a fail safe.
 

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