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2007 Toyota Corolla tempurature gauge

Tiny
RRANGEL147
  • MEMBER
  • 2007 TOYOTA COROLLA
  • 83,000 MILES
Temperature gauge rises and lowers, fan turns on when gauge rises, changed ECT sensor, no leaks, no engine like or check engine light turns on when gauge turns to redline just fan kicks on even when engine is cold, could it be the ECM going bad? Should that be replaced? Is this a common problem if so how can I find a solution?
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Saturday, June 8th, 2013 AT 8:41 PM

6 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Are there any trouble codes?
Did you test the ECT wiring?
Under what condition does the temperature gauge shows high?
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Sunday, June 9th, 2013 AT 2:40 AM
Tiny
RRANGEL147
  • MEMBER
  • 4 POSTS
Engine code read P0117 although that is when I can get the check engine light to come on, the engine light comes on and of when it wants to, I did however replace the ECT and now the engine light does not come on anymore, but the gauge goes up and down like the engine is hot even when I start it up in the mornings? Does that help any?
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Tuesday, June 11th, 2013 AT 2:45 PM
Tiny
RRANGEL147
  • MEMBER
  • 4 POSTS
Ok now its running great after I changed the ECM hopefully that was the problem but now my air bag warning light is on? I think it could be the sensor under the dash what do you think?
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Tuesday, June 11th, 2013 AT 3:58 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You need to retrieve the trouble code to find out what is wrong with the SRS system.
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Tuesday, June 11th, 2013 AT 6:00 PM
Tiny
RRANGEL147
  • MEMBER
  • 4 POSTS
Ok will do thank you I will get back to you thanks
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Tuesday, June 11th, 2013 AT 10:44 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
You're welcome.
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Thursday, June 13th, 2013 AT 11:29 AM

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