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» Northern California Ford Owners     » Automotive   » Tech Talk   » NEED HELP!!! ENGINE KNOCKING

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Author Topic: NEED HELP!!! ENGINE KNOCKING
Aman
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I noticed everything I drive my cobra, one of my cats gets really hot....I once tried to change the headers myself, but it was to hard trying to get around other parts. So what I did was replace my 4 cats by installing just 2 cats in it. But still the same new cat on the left side gets RED HOT again. Do you think I need to tune up the engine..there are knocks still..I really need some kind of advice...help!!!!
Posts: 5 | From: hayward | Registered: Mar 2002  |  :
JoeT
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an exhaust leak can sound like a knock-- sorta. But this is usually only at the block/exhaust manifold juncture.

could it just be an exhaust leak at the manifold? engine 'knock' is severe engine damage. valvetrain 'ticking' is a nuisance, but could be serious.

red-hot cats sound like your car is running really lean? though I'd expect your headers to be hotter than your cats.
got a check engine light?

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1984 Ford Tempo AOD--- RIP

Posts: 6785 | From: San Jose | Registered: Jun 2001  |  :
Aman
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There is no check engine light...Some how I feel like it just needs a computer tune up..I dont think there is anything wrong within the engine you know..I really dont hear any noise from the engine...maybe my timing is off..what do you think
Posts: 5 | From: hayward | Registered: Mar 2002  |  :
Stimson
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Red hot cats means you're overly rich. The extra fuel is being burnt up in the cats and causing them to glow. What year cobra do you have?
Posts: 2373 | Registered: Jun 2000  |  :


 
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