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High idle.

Tiny
KARIN1075
  • MEMBER
  • 1995 TOYOTA TERCEL
  • 4 CYL
  • 2WD
  • MANUAL
  • 179,900 MILES
I have a 95 Toyota Tercel and it the idle is high. I aske a couple of mechanics and they seem to no know what it is. It also burns oil quick, I have to keep adding oil. Oh and the oil light comes on when I start it and when I drive it it goes off.
Monday, January 10th, 2011 AT 8:53 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
High idling speed is due to excessive air getting past the throttle body and possible causes are :

1. IAC staying opened more than required. Ensure coolant level is correct and check for clogged coolant hoses to the IAC. Clean the IAC by spraying some carb cleaner into the ports at lower portion of throttle body and let it soak for a few minutes.

2. Vacuum leakages. Check for bad PCV, air hose cracks and manifold gasket leaks.

Consumption of engine oil are mainly due to the following composition.

Bad valve seals ( 70 %)
Piston rings ( 25 %)
Leakages (5 %)

The engine light staying on during idling could be due to a clogged oil strainer in oil pan or a failing oil pump.
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Friday, January 14th, 2011 AT 5:30 PM

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