1993 Isuzu Amigo 2 6 Mpfi Started Cold Runs Fine Soon Starts Build Heat Engine

1993 ISUZU AMIGO
130,000 MILES
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2.6 MPFI. When started cold runs fine, as soon as it starts to build heat the engine idles up and down then almost shuts off and sometimes will. Shut it off give it throttle and keep the rpm's up around 2500 until its warmed up and it runs great. Any suggestions on how to fix this?
Feb 13, 2013 at 4:58 AM
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HMAC300
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clean throttle plpate with choke cleaner on both sides.as well as iac hole. scan for codes and check fuel pressure
Feb 13, 2013 at 3:15 PM
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