1997 Toyota 4Runner check engine light came on and idle is rough with a lot of smoke out the exhaust.

Tiny
JSLICO4RUN
  • MEMBER
  • 1997 TOYOTA 4RUNNER
  • 163,000 MILES
1997 Toyota 4 runner - check engine light is on idles rough and now smoke from exhaust. Misfire at cylinder #3
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Saturday, November 5th, 2011 AT 11:47 PM

5 Replies

Tiny
MHPAUTOS
  • EXPERT
Check for a leaking injector, faulty spark plug and ignition lead at the cylinder, a comp test will also be a good idea as well, start here.
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Sunday, November 6th, 2011 AT 12:54 AM
Tiny
KHLOW2008
  • EXPERT
What trouble codes are you getting?
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Sunday, November 6th, 2011 AT 3:40 AM
Tiny
JSLICO4RUN
  • MEMBER
P0-303
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Sunday, November 6th, 2011 AT 10:30 PM
Tiny
JSLICO4RUN
  • MEMBER
Idk yet but I'm afraid its a blown head gasket.
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Monday, November 7th, 2011 AT 2:07 AM
Tiny
KHLOW2008
  • EXPERT
Have you checked the spark plugs and related components?

Do you have coolant losses issues?

Which engine do you have?

Have a compression test performed to see if they are within specs.
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Monday, November 7th, 2011 AT 7:29 AM

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