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1991 Pontiac Bonneville RPMs

Tiny
SHAQGLEE
  • MEMBER
  • 1991 PONTIAC BONNEVILLE
  • V6
  • AUTOMATIC
  • 193,875 MILES
My rhms will randomly drop and jumps the car will start making popping sounds, sometimes it will catch back to normal sometimes it Shuts off and that all happens in the middle of me driving I changed just about every sensor but the camshaft & oxygen, my father say it's must bey catalytic converter but I'm not really sure by the way codes are reading 41, 42 & 44
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Friday, May 8th, 2015 AT 4:39 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check connection of ignition module inside dist and all connections leading to it. Then get module tested. Auto parts can do it. See pics for cam sensor but it may be either the prom inside ecm or ecm.
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Friday, May 8th, 2015 AT 7:16 AM

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