S-10 & Blazer 1982-2005
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please help 98 blazer

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Old October 26th, 2009, 6:54 PM
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My mom has a 98 blazer that has issues. She had drove it to work one day and it wouldn't start so they had the truck towed and a fuel pump at that time was installed truck started running a lil funny. Then all of the sudden after about a day it started running rough has bad throttle response and drips black tar looking stuff out of the tailpipe. So we had put on a new cataltic converter. Now the truck is still running rough it still dripping out black tare and engine light blinks when it runs. The truck drives just not very well please help me THANK YOU
Old October 26th, 2009, 7:03 PM
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O ya and i also took it AAMCO for diagnostics and they said the alternator isn't pushing enough power to charge battery and control the fuel injector. So i have replaced the altenrator still having the same issue.
Old October 26th, 2009, 8:22 PM
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Was the fuel filter replaced when doing the pump? What codes are in the computer? What is the condition of the cap,rotor,wires and plugs.
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