Question about Chevrolet Monte Carlo
Sounds like your catalytic converter is clogged. I see this fairly often. A sure sign is the engine will ping and miss if you hold the gas petal to the floor while driving. It won't go over a certain RPM because it can not force the exaust out. The converter is easy to change. Here are instruction:
Catalytic Converter Replacement (3.8L) Removal Procedure
Important: The 3-way catalytic converter is serviced by replacing the entire assembly. Always replace the gasket at the front flange when servicing the 3-way catalytic converter assembly. Never install the original gasket.
Remove the heated oxygen semissing at idle, code 0300 - 0e7a0f9.gif.
• Tighten the exhaust manifold pipe stud nuts to 32 N·m (24 lb ft). • Tighten the catalytic converter bolts to 45 N·m (33 lb ft).
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Posted on Sep 29, 2009
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Posted on Jan 02, 2017
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