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Author
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Topic: SMOG HELP!!
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4_Bangin_Stang
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Member # 7432
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posted
 
 
just took my bone stock 93 5.0 mustang to the test only and it failed. The HC were at 1000 for the 15mph and 1100 for the 25mph test. Does anyone know if it could be the cats are no good or the smog pump is no good. can anyone help
Posts: 97 | From: San Leandro | Registered: Feb 2007
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Adam5.0
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Member # 6995
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posted
Could be a few things, either you need a tune up real bad, your cats are dead or bad O2, engine coolant temp sensor or a combination of all of these.
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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4_Bangin_Stang
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Member # 7432
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posted
well just did a complete tune up, so it could be the other things.
Posts: 97 | From: San Leandro | Registered: Feb 2007
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2Foxes2Five0Coupes
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Member # 9154
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posted
quote:
Originally posted by Adam5.0:
Could be a few things, either you need a tune up real bad, your cats are dead or bad O2, engine coolant temp sensor or a combination of all of these.
A bad coolant temp sensor can cause a failed smog?
Posts: 485 | From: Oakland | Registered: May 2009
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Adam5.0
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Member # 6995
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posted
quote:
Originally posted by 2Foxes2Five0Coupes:
quote:
Originally posted by Adam5.0:
Could be a few things, either you need a tune up real bad, your cats are dead or bad O2, engine coolant temp sensor or a combination of all of these.
A bad coolant temp sensor can cause a failed smog?
Yes not the sensor for the gauge but for the ECU.
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want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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