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    Kimberlylynn's Avatar
    Kimberlylynn Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 10, 2011, 06:20 PM
    1991 nissan just started knocking and exhaust manifold glowing
    It was running just fine yesterday then today on way home it started knocking an bogging down and the exhaust manifold was glowing cherry red when I looked under the hood.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Nov 10, 2011, 06:22 PM
    Did the temperature gauge indicate it was overheating?
    Foxfyr31's Avatar
    Foxfyr31 Posts: 42, Reputation: 3
    Junior Member
    		  
    #3

    Nov 12, 2011, 10:10 AM
    Check the catylitic converter. Sounds like it is clogged or your car is running to lean of a fuel/air mixture
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