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Idle problem and black smoke

Tiny
SMSAIF
  • MEMBER
  • 2004 HYUNDAI SANTRO
  • 60,000 MILES
Its means workshop mechanics checked and scan but no have any error code so he told me checked car wrings, and taken out engine. And fuel pump already changed but idle problem is still.
Friday, March 16th, 2012 AT 8:00 PM

1 Reply

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Have them check for soft codes, ones which don't set the check engine light. They'll need more than a basic $20 scanner for this.

Check compression. Check for vacuum leaks. Check ignition timing. Check injector pulsing.
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Friday, March 16th, 2012 AT 9:01 PM

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