94 silhoutte van - exhaust manifold turns red

1994 ALL OTHER MAKES ALL OTHER MODELS
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KLBRILEY818
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i have removed the catalatic converter, had the muffler taken off thinking it was plugged. changed the fuel pump, screen and filter. the manifold still turns red hot after a few minutes of running. I thought the gas was running to rich.
Jan 28, 2006 at 9:20 AM
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2CARPRO JACK
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serious mixture problem. Needs to scanned to watch pulse width and o2 sensors
Feb 9, 2006 at 1:57 PM