1986 Toyota Pickup runs worse when warmed up

1986 TOYOTA PICKUP
230,000 MILES • 4 CYL • 2WD • AUTOMATIC
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JEFF888
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  • 3 POSTS
my truck runs good when i first start it up. but as i drive and the engine warms up it starts missing really bad. where should i start?
Sep 22, 2008 at 11:22 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,861 POSTS
  • ASE Certified Mechanic
As the engine warms the valve stems grows holding the vavle open, Remove the valve cover and check the valve lash and then get back to me. You are looking for a tight valve with little to no lash(clearance).
Sep 28, 2008 at 12:29 PM
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