1991 Pontiac Sunbird idle problem

Tiny
LUKE2
  • MEMBER
  • 1991 PONTIAC SUNBIRD
  • 4 CYL
  • FWD
  • MANUAL
  • 248,748 MILES
I have replaced the fuel pump. But still does not want to idle properly what els could it be?
Tuesday, March 30th, 2010 AT 9:52 PM

1 Reply

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Could be many things, clean the throttlebody, and check the mapp sensor, and pcv valve. Also make sure there is no restriction in the air intake. Lastly check the egr valve to see if it is stuck and needs cleaning
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Tuesday, March 30th, 2010 AT 10:12 PM

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