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1991 Toyota Corolla distibutor

Tiny
TED01220
  • MEMBER
  • 1991 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
I just pulled out the distibutor on this car because it has been idle-ing rough, knocking while going up steep hills, and has a loss of power. This engine was rebuilt about 3 years ago. When I pulled out the distributor, I expected the rotor shaft to turn smoothly, but instead it has a jerky feel to it, as if there were bad bearings, is this jerky motion normal, and if not, what can I do?
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Saturday, May 10th, 2008 AT 1:17 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Last major tune-up?

The jerky is normal-Do this at the check connector jumper Te-1 to E-1 and check the ignition timing should be 10deg BTDC if not adjust the timing and idle speed to 750rpm. The knocking noise could be that the engine is detonating/spark knock-

Rough idle -check the idle air control valve/EGR valve and throttle position sensor to include the MAF sensor.
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Saturday, May 10th, 2008 AT 1:30 PM

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