Idles Rough or Stalls

SYMPTOM DESCRIPTION
Engine idles rough and/or stalls.

POSSIBLE CAUSE REMEDY
Faulty EGR system Repair or replace

Faulty PCV system Repair or replace

Faulty air intake temperature control Repair or replace
system

Faulty evaporative emissions control Repair or replace
system

Faulty high altitude compensator Replace

Faulty water thermo sensor Replace

Vacuum leakage Repair

Improperly adjusted idle Adjust

Flooding Carburetor Flooding

Damaged mixture adjustment screw Replace

Slow flow, clogged idle port Clean

Clogged main jet Clean

Throttle valve closes improperly Repair or replace
or does not close

Malfunction of slow fuel cut system Replace