How can I tell when my cars engine needs a tune.

Tiny
CHINEYMAN
  • MEMBER
  • 1996 TOYOTA COROLLA
  • 4 CYL
How can I tell when my cars engine needs a tune up?
Tuesday, January 25th, 2011 AT 1:22 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Not sure of your question? Usually with a tune-up, I change spark plugs and plug wires, distrubutor cap and rotor, where applicable. Change filters. Make sure no pressure on fuel system before taking any lines loose from filter.

Use a gage and check fuel pressure. Any trouble codes? Use a scanner that shows live engine data, see if everything appears normal. Different people have different ideas as far as what is involved in a tune-up.
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Tuesday, March 22nd, 2011 AT 8:25 PM

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