car revs to 3000 on startup, then dies.
#1
car revs to 3000 on startup, then dies.
hey guys, just did the LS6 manifold swap along with !AIR and !EGR and now I'm having problems. The car sounds A LOT louder to, like it has an exhaust leak but I bought the blockoff plates for the !AIR and !EGR so this shouldn't be the problem. I also had the battery unplugged so maybe the PCM is trying to find idle? any ideas?
Last edited by B.W.; 09-03-2006 at 05:07 PM.
#5
TECH Senior Member
Go over and recheck everything, rough idle is normal while the PCM is relearning. You didn't mention a SES light, but some codes will not come on until after a few ignition cycles. Since you did !AIR and !EGR at the same time if they weren't already deleted you should be getting a light for those too.
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#8
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I'm guessing vacuum leak too. Might be the intake gaskets not seated right. Brake booster hose not connected. PCV lines all connected right?
If it's louder you might have a exhaust leak. Did you put the gaskets back on with the block-off plates?
Also check for any sensor or hose that might not be plugged in.
If it's louder you might have a exhaust leak. Did you put the gaskets back on with the block-off plates?
Also check for any sensor or hose that might not be plugged in.