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immy washington

immy ... 4/4/2010

1994 Buick LeSabre Custom 6 Cyl 3.80L

Engine

why do manifold turns red after running a few minutes

misfire and engine runs hot when idling after 15 minutes

1 Answer


prestocat

prestocat 4/10/2010

Have you had your catalytic converter tested? It might be plugged. My 01 Regal with only 60,000 miles had a plugged catalytic converter. The engine ran rough, hot, and had no power. I hope this helps.

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