auto repair

1994 CHEVROLET S-10
176,000 MILES • 6 CYL • 4WD • AUTOMATIC
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MIKE2FAN
  • MEMBER
  • 2 POSTS
1994 chevy s10 4.3 engine light comes on after engine is warmed up and driven for a while come up with code 32 EGR valve. Replaced with new EGR valve still having the light and rough idle after light comes on what else could cause this ?
Jan 7, 2011 at 10:59 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
Recheck the EGR valve and passages for carbon-if okay test the wiring back to the computer for short/open circuit-
Jan 7, 2011 at 11:30 AM
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FORD MAN
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  • 115 POSTS
Having same problem with my '92 S10, 4.3. If carbon isn't the problem, you might have a vacume leak, or a vacume hose problem. Check to see if the vacume control solenoid (the part that connects to the EGR valve via a vacume tube) is working. At idle that part should have vacume coming from it. Otherwise you have a vacume leak....somewhere ! Happy hunting.....as I am .

Ford Man in Michigan
Jan 7, 2011 at 12:16 PM
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