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red hot exhaust manifold

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Offline sidekick101

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red hot exhaust manifold
« on: February 24, 2007, 09:43:43 PM »
i need to get a new o2 sensore for sure because the threads are gone and it popin out. but  i went to put it back in tonihgt and the manifold was glowing red. i knwo thats not normall. i check the back and shes blowing out fine? any ideas? would a new manifold/ header get rid of this or would i just write a header off if i bolted a new one on. HELP!!! please
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1993 sidekick JX, 2 dr, soft top, automatic,
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Offline mrfuelish

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Re: red hot exhaust manifold
« Reply #1 on: February 24, 2007, 09:59:15 PM »
If your not running it hard up a hill it's running lean, look for vac. leaks or a bad egr valve or your sucking air into the exhaust some how or your down pipe collapsed inside or your cat could be plugged ect.
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Offline zuk jockey

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Re: red hot exhaust manifold
« Reply #2 on: February 25, 2007, 06:05:19 PM »
    check timing out ive had this happen rotor out 90 deg melted my plugs be sure to check the condition of the plugs . could also be a pluged cat
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Offline sidekick101

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Re: red hot exhaust manifold
« Reply #3 on: February 25, 2007, 06:51:21 PM »
i don't think its a plugged cat because it still flows fine out the back. but the o2 sensor does fall out so maby thats making it heat more then normal?
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1993 sidekick JX, 2 dr, soft top, automatic,
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