Pais340 Posted October 16, 2007 Report Share Posted October 16, 2007 (edited) Morning everyone, Idle test passedLambda sensor Passed at idle and fastThen it goes pear shape.Over 2500 revsCo max 30% It got a reading of 60%Hc max 200ppm it got 217ppm.Tigz helped me out with a engine and i also replced the throttle body(idling problems).Car runs smooth no smoke, perfect starts cold or hot, all perfect.Vw remaped T/B no problem.New cat, new lambda, spark plugs, oil, filters, even a temperature Sensor.And then it fails the emissions test. Now this is the the report from VW, no faults come up, nothing not a glinch. Thus anyone have a clue because i have ran out of ideas.Clueless Edited October 16, 2007 by Pais340 Quote Link to comment Share on other sites More sharing options...
Mitchell Posted October 16, 2007 Report Share Posted October 16, 2007 cat failure??? :confused:oops see you replaced it...hmmm Quote Link to comment Share on other sites More sharing options...
Pais340 Posted October 16, 2007 Author Report Share Posted October 16, 2007 Is it possible a new cat can fail??????? Quote Link to comment Share on other sites More sharing options...
Pais340 Posted October 16, 2007 Author Report Share Posted October 16, 2007 Any ideas floating out there?? Quote Link to comment Share on other sites More sharing options...
cardaft Posted October 16, 2007 Report Share Posted October 16, 2007 Does the car accelerate as it should, no loss in performance?Does it do well on fuel, any different to before you replaced the engine? Quote Link to comment Share on other sites More sharing options...
Pais340 Posted October 19, 2007 Author Report Share Posted October 19, 2007 Acceleration and desacceleration perfect.Fuel not sure and the difference in replacement is that it doesn't smoke any more and there aren't ticks in the engine.Any ideas??? Quote Link to comment Share on other sites More sharing options...
Rich Posted October 19, 2007 Report Share Posted October 19, 2007 if it hasn't been run in a while, rag it about a bit. Wear it in so to speak. it could be a busted cat, sounds like it to be honest. Rich Quote Link to comment Share on other sites More sharing options...
Pais340 Posted October 19, 2007 Author Report Share Posted October 19, 2007 (edited) I'm really considering the CAT is the problem.Because it's not an original CAT i purchased about 100 miles ago from Viking international.Has any one used other CAT's then the original and had any Problems? Edited October 19, 2007 by Pais340 Quote Link to comment Share on other sites More sharing options...
Pais340 Posted October 24, 2007 Author Report Share Posted October 24, 2007 (edited) Well the head Technician is finally back from holiday.Spoke to him today.He's positive its the ECU faulty. Anyone got a 036906014CD??? Edited October 24, 2007 by Pais340 Quote Link to comment Share on other sites More sharing options...
Pais340 Posted October 31, 2007 Author Report Share Posted October 31, 2007 Good news at last all sorted out and moted.After much presistance the problem as been found and fixed.A second hand ECU and a remap.And once again tigz thanks for the Engine. Quote Link to comment Share on other sites More sharing options...
Tigz™ Posted October 31, 2007 Report Share Posted October 31, 2007 Anyone got a 036906014CD???Sorry I missed this Quote Link to comment Share on other sites More sharing options...
wally_j Posted May 22, 2009 Report Share Posted May 22, 2009 My 1.4S has just failed its MOT coz of the emissions, the garage just called me and said it needs a new cat. Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted May 22, 2009 Report Share Posted May 22, 2009 clean egr valve god luck with it mate, i have emission problem i haven't been able to sort.. how much is a new TB? Quote Link to comment Share on other sites More sharing options...
lupoluke Posted May 22, 2009 Report Share Posted May 22, 2009 Scoff do you use a genuine vag com or a universal thing because i had mine read with the proper vagcom and it briught ann extra code up, than the others i had been using. Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted May 23, 2009 Report Share Posted May 23, 2009 hey luke, its a proper vag com mate,ill put it on again, if my cat has gone via too much oil in engine. would i always notice a performance decrease ? think thats next on my list it was strange it went off for a little while when i re errected my breather pipe as that was bent, but it came back on, if that was clogged ( 1 way valve? ) would that cause a problem? running lean and cat bank 1 sorry to high jack, ! may help tho? :S thanks Quote Link to comment Share on other sites More sharing options...
Dubbprince Posted May 24, 2009 Report Share Posted May 24, 2009 sounds to me like piston rings are worn.Mine failed MOT on the same, i took the engine apart and rebuilt the bottom end. Quote Link to comment Share on other sites More sharing options...
CasperGTI Posted May 24, 2009 Report Share Posted May 24, 2009 like sanj said.... Could well be the rings starting to blowby. But you would notice a bit of smoke there.The cat is there for CO2 not hydrocarbons. Hydrocarbons are basically unburnt oil or fuel.Mine failed on the same thing, and thats becasue i have too much oil passing the rings. This could also be your problem. Or it could be your valve stem seals.John Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted May 24, 2009 Report Share Posted May 24, 2009 how do i find out for deff it is that? bearing in mind i havent taken it to a garage yet and the faults are Fuel trim too lean and cat bank 1 nothing else. Quote Link to comment Share on other sites More sharing options...
99hjhm Posted May 24, 2009 Report Share Posted May 24, 2009 how do i find out for deff it is that? bearing in mind i havent taken it to a garage yet and the faults are Fuel trim too lean and cat bank 1 nothing else.gas analyser. Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted May 26, 2009 Report Share Posted May 26, 2009 who can do that? my exhuast isnt blowing, i have no smoke what so ever, only on cold days. and when the breather is covered the oil comes out of the dipstick pipe. doubt my pistons have gone or seals. its sounding like the day i brought it still also, just idles higher Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted May 26, 2009 Report Share Posted May 26, 2009 pipe from TB to the sensor before the Charc cannister isnt broken, TB resealed. new lambdas few months ago geniune parts, new coolant sensor. injectors cleaned. things reset on Vag com. Quote Link to comment Share on other sites More sharing options...
99hjhm Posted May 26, 2009 Report Share Posted May 26, 2009 Well, on vag-com you can check the air fuel ratio. Have you checked changed the air filter, stupid question! Have you aligned the throttle body on VAG-COM to try and lower the idle speed, or tried ecu adaption on channel 00. Quote Link to comment Share on other sites More sharing options...
CasperGTI Posted May 26, 2009 Report Share Posted May 26, 2009 The lupo pre cat lambada is a wideband unit, so it will control the air fuel mix anyway. Its only when one of the sensors goes tits up that it cant control it propperly. Dont think its scoffs problem.scoff, do you have your fault codes to hand?John Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted May 28, 2009 Report Share Posted May 28, 2009 Long Term Fuel Trim Additive Air Bank 1: Range 1: Systemtoo leanmain Cat effiency bank 1 below threshold i have it booked in for next tues, but would like to try and fix it before then, would going to a mot place and getting the emissions tested to see if my cats working be a good idea?thanks guys! Quote Link to comment Share on other sites More sharing options...
SC02 FFF Posted June 2, 2009 Report Share Posted June 2, 2009 had a recent fault of Tb having low voltage??? wasnt from vag com tho Quote Link to comment Share on other sites More sharing options...
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