2001 Oldsmobile Aurora Northstar V8 Weak Mixture Rear Bank Missing On Cyl 3 Rep

2001 OLDSMOBILE AURORA
100,000 MILES
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GEFFMCCARTHY
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  • 1 POST
My Northstar v8 has a weak mixture rear bank. It was missing on cyl 3; I replaced the ignition module and plugs. The miss is almost gone and no longer triggers a code. I have been told that I should replace the intake manifold gasket. Is this correct?
Nov 4, 2011 at 6:23 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check yoru fuel pressure first it may be low causing the problem. it shold be 41-47 psi, if it si anywhere below that then it may be a bad pump.
Nov 4, 2011 at 7:32 PM
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