1993 Nissan Altima Severe vibration in idle or while runnin

Tiny
LREXP
  • MEMBER
  • 1993 NISSAN ALTIMA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 207,000 MILES
We paid to have this fixed--the mechanic replaced a fuel injector. The car ran fine for a few days. It started again. We took it back. They claimed another fuel injector was bad. They told us which one. We replaced it ourselves. This did not solve the problem.
We have replaced the distributor, spark plugs/wires, air filter, fuel filter. We've adjusted the idle several times, but it keeps going back to running too rough. Computer showed no error codes. It still is not running right and computer code now shows "Knock Sensor". Any ideas?
We're running out of money:)
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Wednesday, September 24th, 2008 AT 4:03 PM

1 Reply

Tiny
ZACKMAN
  • MEMBER
Try cleaning your EGR valve
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Saturday, October 11th, 2008 AT 4:50 AM

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