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Now there's a rattle and it dies at low rpms

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Old Oct 16, 2001 | 07:40 PM
  #1  
89V6FBIRD's Avatar
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
Now there's a rattle and it dies at low rpms

It rattles (metal to metal, rattle speed increasing w/ engine speed) when in drive or reverse, but not in park. And then after getting off the freeway w/ the a/c on, it dies, but able to start up again. Does anyone have any suggestions at all as to why this is happening??

Is this what pinging is?
This is after recycled plugs (I cleaned the old ones to new condition), new cap & rotor (Borg-Warner) and my timing set to about 16°

Thanx

------------------
Stock 2.8 MPFI auto w/ Flowmaster 80 Series, More to come......
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More to come..... (hey, i dont got a job yet)

[This message has been edited by 89V6FBIRD (edited October 16, 2001).]
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Old Oct 16, 2001 | 10:23 PM
  #2  
89V6FBIRD's Avatar
Thread Starter
Supreme Member
 
Joined: Dec 2000
Posts: 1,128
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
btt
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