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Need help with 01 alero...intermittent runs terrible

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Need help with 01 alero...intermittent runs terrible

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  #1  
Old 08-30-2016, 06:33 PM
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Default Need help with 01 alero...intermittent runs terrible

Ok...when I drive my car 50% of the time it runs smooth no problems, then the other 50% it runs terrible. It will never stall but just lugs I can maintain my speed, it just lopes and jerks...I can feel power being lost in the foot petal. Then it will come out of it and power will come back. If I park it and it's running bad it just lopes. Next day it will run fine no problems. I've done everything I'd think it would be. Also when it is running porly the exhaust smells really rich. On startup every once in a while I bump the throtitle because it seems like it cranks longer than it should.


-plugs and wires
-cleaned maf
-cleaned tb
-tps
-replaced a coil
-spark all looks good when I remove plug wires with it running
 
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  #2  
Old 08-30-2016, 06:34 PM
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3.4 v6 automatic..any help would be appreciated thanks...tires of my car running terrible half the time
 
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Old 08-30-2016, 08:36 PM
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Also no ses light has ever came on during any of the problems.
 
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Old 09-09-2016, 02:46 PM
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Bad wire going to an injector would work sometimes other times would not.
 
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