1988 Chevy Corsica wont idle sometimes

96,000 MILES • 6 CYL • FWD • AUTOMATIC
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JAYMAN68
  • MEMBER
  • 1 POST
ok,here it is,my friend bought the car it ran good,he did the plugs and it ran like crap,i bought it from him and did the plugs again he messed up the gap size,so know it starts right up,idles about 1000,but sometimes the idle goes up then down,then it would stall,and wont start,i give it some gas it starts and idles fine,go to raff it up and it does the some thing,raffs up then down,and blows out smoke,my gauges say its running very rich,what should i do
Oct 1, 2009 at 1:22 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
try taking choke cleaner and clean the throttle plate and iac through the air hole. they get gunked up with oil and such and they need to be cleaned occasionally. that is a big reason they don' idle right . It's simple and cheap and may fix the problem.
Oct 3, 2009 at 7:40 AM
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