2007 Nissan Van idle high

2007 NISSAN VAN
190,000 MILES • 1.5L • 4 CYL • 2WD • AUTOMATIC
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SITHU
  • MEMBER
  • 2 POSTS
I take off inlet hose and replaced spark plugs.all finished I start engine at idle but idle is between 1800 and 2200 RPM not stable?
Feb 23, 2014 at 1:43 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
try cleaning throttle plate on both sides an diac hole with choke cleaner then look for a vacuum hoses off or broken.
Feb 23, 2014 at 2:17 AM
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SITHU
  • MEMBER
  • 2 POSTS
thank for answer me. I tried already finished but it can't.
Feb 23, 2014 at 2:31 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for vacuum leaks then scan for codes and check fuel pressure with a gauge auto parts rent the gauge
Feb 23, 2014 at 2:32 AM
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