ROUGH IDLE AND BLACK SMOKE

2004 Hyundai Santro

Tiny

smsaif

March, 17, 2012 AT 5:58 PM

Hi
good day

Check compression. Check ignition timing. Check injector pulsing.
plz give me detail of this checking procedures

FOUND 735 RELATED QUESTIONS

Black Smoke Coming From Exhaust

65 ANSWERS
100 IMAGES

Smoking

32 ANSWERS
48 IMAGES

1 Answer

Tiny

rasmataz

March, 17, 2012 AT 7:03 PM

Running too rich

1. Excessive fuel pressure can be cause by restricted fuel return line

2. Defective Oxygen Sensors.

3. Leaking injectors and fuel pressure regulator.

4. Coolant temperature sensor out of calibration.

5. Restricted air intake system.

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