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O2 And Egt Sensor.

MyR33GTS-T

By MyR33GTS-T,
in Queensland

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MyR33GTS-T Contributor

MyR33GTS-T

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Hey fellas. Had my car up on the hoist the other day and did my Engine, Gearbox and DIFF oils. Were all black and put good fresh stuff in em.

However while the car was up on the hoist i noticed a sensor coming out of the cat. Which had tape over it.

I believe this sensor is the EGT (exhaust gas temperature sensor). The tape was around the 2 coils of wires in it and i think its rooted..

The car is running heaps rich so i thought i should give replacing this sensor and the O2 sensor at the same time.

Where abouts would i get an EGT sensor from. The O2 isnt a problem.

Could this be the reason. Cos its faulty... and its dumping more fuel in to cool the exhaust down???

Cheers Blokes.

Michael :down:

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45ULT Rising Star

45ULT

Posted
Posted
Hey fellas. Had my car up on the hoist the other day and did my Engine, Gearbox and DIFF oils. Were all black and put good fresh stuff in em.

However while the car was up on the hoist i noticed a sensor coming out of the cat. Which had tape over it.

I believe this sensor is the EGT (exhaust gas temperature sensor). The tape was around the 2 coils of wires in it and i think its rooted..

The car is running heaps rich so i thought i should give replacing this sensor and the O2 sensor at the same time.

Where abouts would i get an EGT sensor from. The O2 isnt a problem.

Could this be the reason. Cos its faulty... and its dumping more fuel in to cool the exhaust down???

Cheers Blokes.

Michael :D

egt isn't a problem unless the cat convertor light is on the dash.. does your cat convertor have a bung to mount it to? as alot of cats fitted for compliance don't thats why u'll find alot not hooked up. as for running rich stick a multimeter on your o2 sensor signal wire and check the voltage at idle when warm. it should fluctuate between 0 and 1v. if it is stuck on around 0.5v it is stuffed and this is why ur car is running rich..

MyR33GTS-T Contributor

MyR33GTS-T

Posted
  • Author
Posted

Umm the car has a nismo dump, and down pipe.. but from cat back its all pretty much stock standard.. I think the EGT sensor is effffed. As the 2 wires that it has were taped together and yeah.. just looks rooted if u know what i mean,

And as for the O2 Sensor. Which wires am i putting the multimeter as is has 3.

I shall check for this problem.

Would the coolant temp sensor have anything to do with this?

Cheers.

pipster11 Grand Master

pipster11

Posted
Posted

teh egt doesn't effect the tunning of your car

it just lights up to tell you your cat is still really hot (been doing some 'fun' driving) and not to park on anything flammable

o2 sensor on the other hand will effect economy, just grab one from this sponsor:

http://www.skylinesaustralia.com/forums/Nt...mp;hl=o2+sensor

for $77 you cant go wrong

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