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Dec 15, 2012 | 01:10 PM

#1

BaojeeX

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From: West Yorkshire

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NO LAMBDA??

nvm.

Last edited by BaojeeX; Dec 21, 2012 at 02:01 PM.

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Old

Dec 15, 2012 | 01:18 PM

#2

Don Clark

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A/F sensor before cat, O2 sensor after cat............

http://opposedforces.com/parts/impre...llustration_1/

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Old

Dec 15, 2012 | 01:23 PM

#3

BaojeeX

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nvm.

Last edited by BaojeeX; Dec 21, 2012 at 02:01 PM.

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Dec 15, 2012 | 03:32 PM

#4

Don Clark

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Quote:

Originally Posted by BaojeeX

So it's advisable to get one, even though my car is not running rough at all? Will it wear the engine out over time? Could I just get the one before the cat, or would I need both?

Usual symptom of A/F sensor (Front) would be an increase in fuel consumption.

However surprised it hasn't recorded one or more of the following:-

P0130 O2 Sensor Circuit (Bank 1 Sensor 1)
P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)

If you are going to fit one then you need to fit both.

Last edited by Don Clark; Dec 15, 2012 at 03:34 PM.

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Dec 15, 2012 | 04:47 PM

#5

BaojeeX

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nvm.

Last edited by BaojeeX; Dec 21, 2012 at 02:01 PM.

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Old

Dec 15, 2012 | 06:10 PM

#6

Don Clark

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Quote:

Originally Posted by BaojeeX

I haven't noticed terrible economy. A trip to London with a speed of 70mph costs me £40. Local I get 80ish miles to £20. Although that's with normal driving, if I do hoon it around then it can drop to 70/60 miles. So around 15 litres of fuel from reserve light. I haven't got any other codes and did check any stored codes that may have been there previously.

I'm surprised you mention the codes that it hasn't thrown up. Anything else to look for? Can the ECU be written to erase certain codes to be thrown up?

I was wondering whether the ECU had been looked at particularly with the decat.

Probably only way to know for sure is to get a mapper to check it out.

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Dec 15, 2012 | 06:23 PM

#7

BaojeeX

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nvm.

Last edited by BaojeeX; Dec 21, 2012 at 02:01 PM.

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