Lambda sensor Q MOT failyer :0(
Am I understanding this right?
You failed European emission test.
Your check engine light is not on.
Your question is if your forced induction kit is messing with your O2/Lambda sensor?
The answer is no, not likely.
First of all, you need to pull codes, sometimes you will have a code but CEL will not trigger. Also, you need to tell us why you failed emissions. I don't know about the European MOT test, but in the US if you fail, they tell you why, whether it is too much CO2, NOX, etc.
Also, you need to tell us the year of your car, and your engine setup.
You failed European emission test.
Your check engine light is not on.
Your question is if your forced induction kit is messing with your O2/Lambda sensor?
The answer is no, not likely.
First of all, you need to pull codes, sometimes you will have a code but CEL will not trigger. Also, you need to tell us why you failed emissions. I don't know about the European MOT test, but in the US if you fail, they tell you why, whether it is too much CO2, NOX, etc.
Also, you need to tell us the year of your car, and your engine setup.
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Am I understanding this right?
You failed European emission test.
Your check engine light is not on.
Your question is if your forced induction kit is messing with your O2/Lambda sensor?
The answer is no, not likely.
First of all, you need to pull codes, sometimes you will have a code but CEL will not trigger. Also, you need to tell us why you failed emissions. I don't know about the European MOT test, but in the US if you fail, they tell you why, whether it is too much CO2, NOX, etc.
Also, you need to tell us the year of your car, and your engine setup.
You failed European emission test.
Your check engine light is not on.
Your question is if your forced induction kit is messing with your O2/Lambda sensor?
The answer is no, not likely.
First of all, you need to pull codes, sometimes you will have a code but CEL will not trigger. Also, you need to tell us why you failed emissions. I don't know about the European MOT test, but in the US if you fail, they tell you why, whether it is too much CO2, NOX, etc.
Also, you need to tell us the year of your car, and your engine setup.
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Thread Starter
Driver School Candidate
Joined: Apr 2010
Posts: 35
Likes: 0
From: UK
Yeee you got it bang on och co2 fine other gas reading fine it says on failier paper exhaust emisions lambder reading after 2nd fast idle outside spec limits but test guy sagas reading all good lambder sensor not good so your guess is as good as mine O car is a 96 4.0 quad cam (pos denso cams fitted) 32 vaulve
Last edited by Rusky40; May 16, 2010 at 10:19 AM.
I don't really understand everything you're trying to describe. If your emissions are OK, but you still fail because your lambda/o2 sensor is out of range, then just have the sensor(s) replaced.
Is it the primary sensors, or the secondary?
Is it the primary sensors, or the secondary?
Thread Starter
Driver School Candidate
Joined: Apr 2010
Posts: 35
Likes: 0
From: UK
pass please explain would adjustable exhaust baffles that are close right up to stop boomy 4" back boxes mess with the reading
Last edited by Rusky40; May 16, 2010 at 01:54 PM.
Thread Starter
Driver School Candidate
Joined: Apr 2010
Posts: 35
Likes: 0
From: UK
Is it the primary sensors, or the secondary? im not sure which 1 didnt know there were 2 then i said if a car (my car had a pair of 4" back mufflers that were really loud and a pair of adjustable baffles were fitted th closed up a fare bit to reduce the volume of the exhaust not and also altering the speed of which the gases are released i.e adding back pressure would that make the lambder sensors give strange readings