Lambda Sensor Problems

engine wen warm hot runin temp spluters had new plugs fuel filter lambda sensor took garagesaid cat sounds blocked so new cat still same wat is 02 sensor malfunction comes up on diagnostic all time

struggles to start when cold,then ok untill is hot, ive cleaned all the throttel body, stripped it rite down cleaned stepper motor,and all other parts,revs dropped slightly but still goes up n down ,first time it started after clean it reve...

My wifes vauxhall zafira 1.8 manual has suffered a starting problem for some months that two different garages have failed to cure. The problem is that, from cold, the car starts first time but runs erratically for a couple of minutes and d...

I have a 'V' reg fiesta which has begun to over rev when changing down gear, especially from 2nd to 1st when in a stationary position. This was intermittent at first but is now becoming most of the time. It does it very briefly and then i...

My car when I was driving home one night sounded like a tractor and lost power (no lights on dashboard though). I managed to get the car home and my mechanic came round to see what was wrong. After looking at it he said he thought it was...

The emmissions light is coming on once the car warms up. The engine management light has come on once. No loss of power has been noticed until today when the engine stopped running and wouldn't restart. An hour later it started without a pr...

hi there im new here and i got a problem i've been told its not the exhaust thats the problem but a sensor causing the emssion problem here's the print out can anybody help point me in the right direction and the eml is not on thanks for v...

got these codes doing the pedal trick could someone tell me what the codes mean and what parts need replaced 0130 0141 0170 0300 0301 1550 also top of engine getting very hot temp gauge show normal temp replaced the cat exhaust sys...

i haVE JUST PUT A NEW LAMBARDER SESER ON THE CAR AND IT IS STILL SAYING THEIR IS A FAULT ENGINE LIGHT STILL COMES ON WHAT CAN IT BE

my car is losing power and pulling back on the gass i have checked the air filter and plugs and leads all appear to be fine its a strange problem sometimes when i do not warm cvar up she struggles to pick any speed up in low gears then when...

Hi , Can anyone help, engine malfuncion light is on again, had the camda sensors changed but it came on again after 4 days.

For the past few weeks my car is doing 35 miles from £10 petrol which is strange for a 1.4, I'm sure it was doing at least double that, I'm not sure if there is a fuel leak but the car is smoking from the exhaust a bit more when I'm drivin...

engine management light came on.started juddering tried new plugs. coil.lambda sensors checked codes came up with po203 injector circuit malfunction number 3 cylinder.checked wiring.managment light wont go out.now sounds like on 3 cylinders...

hi ,hope you are all well!, i own a 1.0 l single point injection polo , it is doing about 20 to the gallon!!!!, i have replaced plugs and lambda sensor, air filter etc. to no avail any ideas people??, i have been advised it may be the ...

i've got alfa156 and what the problem seems to be now is..when i put the foot down it feels like there is more air being sucked in than fuel so..there is power loss...it is mostly at 1000 rpm to 2000 rpm generally..i did change the MAF sens...