1988 Nissan Stanza idle problem

1988 NISSAN STANZA
125,000 MILES • 4 CYL • FWD • MANUAL
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JJMD3_787
  • MEMBER
  • 6 POSTS
my engine is erratic at idle, RPM is in a see-saw mode (700-500) and sputters. But there's no hesitation or sputter when the car is running. The engine seems well until you stop and remain on idle again.

spark plugs have been replaced (NGK BP5ES), carb has been cleaned, & fuel filter has been replaced. In fact, I added an extra fuel filter on the same line.

The problem still persists . . .

Please help me. Thanks in advance!
Oct 31, 2010 at 5:16 AM
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BILLYMAC
  • ✓ASE Certified Mechanic
  • 2,204 POSTS
  • ASE Certified Mechanic
the idle air control solenoid is malfuntioning 'may be carbon build up inside the pintle valve.
also check all vac hoses for leaks especially the brake booster
Nov 2, 2010 at 6:17 PM
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