1993 Isuzu Trooper aaaaaaaaaaaaaaa

1993 ISUZU TROOPER
180,000 MILES • 4 CYL • 4WD • MANUAL
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MARCOAAR
  • MEMBER
  • 1 POST
hi ,
my engine surges at idle speed from 900 down to 400 rpm ,almost engine stalls.
what is happening, the problem came up at ones.
what can bring the solucion.

many thanks.
Apr 1, 2008 at 9:57 PM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
check for a vacuum leaks
check idle air control valve
Apr 1, 2008 at 10:03 PM
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