106 Engine Light On - Fault Codes P1615, P0134, P0171, P0420

[dgear1984]

Hiya,

I have a 106, 1.1 petrol 2000 model.

Recently the engine light came on and the fuel economy has got worse.

I plugged a snap on scanner in and the following faults where found.

P1615 MEMORY IMMOBILIZER CODE
P0134 UNDOCUMENTED CODE - GOOGLE SAYS LAMBDA?
P0171 ADAPTION MIXTURE CODE
p0420 AGING CATALYST

I reset all the codes and the light has come back on after approx 100miles/7days.

Both lambdas and cat was replaced last year after the car failed its emissions on mot but had no fault codes at the time.

I am assuming the above faults are due to a faulty lambda sensor just not sure which one or if anyone else has any advice for me before i open up my wallet :-)

[bettyswollocks]

Originally Posted by dgear1984

Hiya,

I have a 106, 1.1 petrol 2000 model.

Recently the engine light came on and the fuel economy has got worse.

I plugged a snap on scanner in and the following faults where found.

P1615 MEMORY IMMOBILIZER CODE
P0134 UNDOCUMENTED CODE - GOOGLE SAYS LAMBDA?
P0171 ADAPTION MIXTURE CODE
p0420 AGING CATALYST

I reset all the codes and the light has come back on after approx 100miles/7days.

Both lambdas and cat was replaced last year after the car failed its emissions on mot but had no fault codes at the time.

I am assuming the above faults are due to a faulty lambda sensor just not sure which one or if anyone else has any advice for me before i open up my wallet :-)

P0134 Generic O2 Circuit No Activity Detected (Bank 1, Sensor 1)

[dgear1984]

Originally Posted by bettyswollocks

P0134 Generic O2 Circuit No Activity Detected (Bank 1, Sensor 1)

Thank you,

I assume Sensor1/Bank 1 is refering to the pre cat lambda?

[davidireland]

Did you fit an aftermarket o2 senor and cat?

[dgear1984]

Originally Posted by davidireland

Did you fit an aftermarket o2 senor and cat?

Did not get them from pug but the lambdas where Bosch and the cat was patten part. Thanks

[davidireland]

Originally Posted by dgear1984

Did not get them from pug but the lambdas where Bosch and the cat was patten part. Thanks

There is your problem. They just don't work correctly.

[dgear1984]

Are you referring to the lambada or cat? How are they different then?