HELP WITH EGR !!! failed emission - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-21-2004, 12:23 PM   #31
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Originally Posted by A Bonnie Canuck
Hey, that hollowed out Cat looks just like mine installed in my car (no emission tests in Nova Scotia ) The optimum range in my opinion for this car would be between 185-220 degrees F. Really anything much lower and the computer is going to run rich to warm the engine up and anything hotter...well we know.
humm.. if thats the case I"m running rich.. but I guess I won't change the T-stat till late fall.. I don't mind running @ 171.5 F cause we all know how hot and humid the summer usually gets especially on the 401 rush hour
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