1984 Oldsmobile Delta 88 Noise on cold start

1984 OLDSMOBILE DELTA 88
37,000 MILES • V8 • 2WD • AUTOMATIC
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GFREN
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Get clicking noise only on cold start. Goes away in about 45 seconds or when driven 3-4 blocks. Seems to be coming from front exhause pipes (cat converter?) Does not return until next cold start. Car starts/runs great. Used fuel system cleaner, sea foam in oil and carb. Question: Does the cat converter have a valve? Doesn't seem to be from the engine
Jun 8, 2010 at 11:17 PM
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