1994 Toyota Corolla Hard-start engine problem

114,800 MILES • 4 CYL • 2WD • MANUAL
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JASTO
  • MEMBER
  • 1 POST
Following are precise model details of my car:
Model E-AE100-AEMEK
Engine# 5A-SE
Frame # AE100-3225721

My car has a hard-start problem. if the engine remain off for some time. I have to press the accelerator for about 10minutes before it can start properly.

Idling is also very unstable, sometimes it runs normally while at other times it drops too low, causing too much engine vibration.

What is the problem and how can it be fixed?

Thank you.

Justin
Oct 5, 2010 at 8:21 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Try cleaning out the idle air control valve and check the airflow meter and coolant temperature sensor
Oct 5, 2010 at 8:37 AM
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