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Mazda Rotary Club

General => General Technical => Anything Engine/Performance/Tuning related => Topic started by: gmogle on October 10, 2010, 02:57:06 PM

Title: Heat light
Post by: gmogle on October 10, 2010, 02:57:06 PM
Guys,
Gave the car a service yesterday and now the red heat light has come on. I dint have a cat in the car.

Any ideas please ?

Cheers,
Gareth
Title: Heat light
Post by: trotter on October 17, 2010, 11:49:59 PM
assuming you have a PFC, the heat light coming on indicates a sensor failure.

Could be something nice, (air temp sensor), or something much, much worse (OMP).

Get a commander and check the fault page.

graeme
Title: Heat light
Post by: JamietypeR on October 18, 2010, 09:58:03 AM
my heat light is always on but my commander doesnt show any faults,
Title: Heat light
Post by: trotter on October 18, 2010, 01:46:49 PM
Quote from: JamietypeR;721794my heat light is always on but my commander doesnt show any faults,

could just be a dodgy wiring job / earth fault under the car where the cat used to be?
Title: Heat light
Post by: JamietypeR on October 18, 2010, 10:28:54 PM
Yea I thought that but cudnt fix it so I just left it
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