1994 Chevy S-10 hard idle

1994 CHEVROLET S-10
138,884 MILES • 6 CYL • 2WD • AUTOMATIC
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CAMAROLILYAJN12
  • MEMBER
  • 1 POST
my truck was fine and today it doesnt want to stay running when i start it up it idles high then about a few seconds later it wants to die then starts sucking air real bad then dies i have already changed plugs and i tested the map sensor o2 sensor was replaced about 2 months ago it just started it ran fine all day till i got home and went to go out again
Jul 11, 2008 at 1:54 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Check the fuel pressure and also test the idle air control valve, throttle position sensor and EGR valve-
Jul 11, 2008 at 9:58 PM
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