1985 Chevy El Camino 85 el camino 4.3 idle hard in drive

1985 CHEVROLET EL CAMINO
100,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LPUNCHYA
  • MEMBER
  • 1 POST
i have a 85 el camino, it idles fine in park but when i put it in drive it idles way different and shakes idles a lot harder?
Jul 12, 2010 at 10:09 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for a bad spark plug or low compression. if those are ok, then check to see if you have a camshaft worn out... you'll have to pull the valve covers and look at the valves moving for that..
Jul 26, 2010 at 12:10 PM
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