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  1. Exhausts
    Hi All, At my whits end here so thought I would post a thread to see if anyone has had this problem/has a solution. Basically my MkIII Clio has failed it's emissions test due to a faulty catalytic convertor, I was told that the garage can get me one but obviously they tend to be pricey, after...
  2. Exhausts
    Hi everyone l’m a newbie hoping someone can help me out here please .. My Renault scenic 1.9 dci has just failed a mot and needs the lower catalytic converter replacing as its rattling and failed its emissions test. I noticed these have a upper catalytic converter also but it the bottom one that...
  3. Exhausts
    Hi I have a 2005 Renault Scenic (7 seater) the cat is making a strange muffling type sound when I start the engine, it's driving the same but if i put the window down I can hear it sounding bad. Does anyone know if it would need to be replaced or is it something else (lamba sensor?), I don;t...
  4. Exhausts
    I have a 1.6 16 megane. I want to remove the converter ( no current fault codes with it ) but i have a feeling that its starting to get blocked. Power at low rpm is horrible. So we dont have smog regulations or emissions standards here. My question is has any one removed it ? did the engine...
  5. Exhausts
    Hi ! I recently bought 56 Reg Clio expression. While driving on motorway the engine management light came on but the car drove perfectly fine. Did diagnostic test and showed fault in catalytic converter. Everyone giving different suggestions and I have no clue what to do? There are no issues in...
  6. Engines
    Bank in late February My 2004 Laguna failed MOT due to emissions, and garage replaced an apparently faulty front oxygen sensor & a OEM catalytic converter. After about 70/80 miles yellow engine lite came on, returned to garage - no faults so cancelled and on my way, after another 79/80 miles...
  7. Engines
    it appeared the gas emissions light on the dashboard and the car was running fine, without any change I checked it with OBDII and it was the catalytic error at the garage they reset it and I run for 2-3 km, the light did not appear anymore 2 weeks before I had a bad Coil and I was using hte...
  8. Exhausts
    Hi, Clio 1.2 petrol 16V 2005 The coil pack failed, resulting in a misfire or no firing on one cylinder, thus some unburnt fuel was delivered to the catalytic converter. How long (ballpark) could the car be run like that before the cat was poisoned or ruined please, are we talking a mile, 10...
  9. Exhausts
    Hi just hoping I can get some advice. I have a Renault laguna W reg. I need to know how to go about removing the catalytic converter as it has blown. Would appreciate any help with this matter. Thank you. Ricky
  10. Exhausts
    Hi, i have a 06 renault scenic 1.9 dci. I have removed the cat and 2 days later the turbo popped. Is this coincidence or does the removal of the cat affect the turbo. Your expert help with this question will be highly appreciated. Thanks in advance.
  11. Exhausts
    Hi There My Catalytic Converter Light comes on occasionally. My Engine is loosing power when I push down the accelerator and jerks and then picks up again. What could the matter be. Now the Car is not idling properly and stalls.Do you think this is a simple thing with the Converter or something...
  12. Exhausts
    Bit of a PITA to do this but quite manageable if you have a few basic skills. Tools required are a half decent socket set, torx bits, 13mm spanner, exhaust paste (which I forgot). Remove Wiper Arms Ideally this should be done for access reasons. Each is held on with one nut and then should...
  13. Engines
    I have a Y reg Renault Clio that is moving slower than a turtle! On Sunday 14th of April as i was venturing home, 20 minutes into the journey the car started to judder and engine management light started flashing at me in amber so i pulled aside and opened her up (Her names Betsy!). Engine was...
  14. Exhausts
    Hi Can you advise me as to whether I need to remove a drive shaft to replace my cat. The Clio is 2002 . Many thanks. Bob Harrow
  15. Exhausts
    will cleaning my cat on renault scenic 56 plate increase the power or performance of the car,and how regular would i have to do it,also would it increase my mpg, thamks
  16. Exhausts
    Hi all what is the best way clean fab filters and catalytic converters. on the car or off the car.
  17. Exhausts
    Hi Guys I have a 2004 Megane II 1.9 DCI. 190,000 km on the clock.. My turbo is on its way out, whistles very loud from 2000 rpm upward. Cant fix the thing now, cash strapped as always. Over the past few days, I can smell smoke inside the car. Today’s been the worst, I took the car to an exhaust...
  18. Exhausts
    Hello, for the past few days I have been having a few problems with my car. It was losing power when I drove and sometimes would not exceed 40mph. There was also a rattling, scraping noise underneath the front of the vehicle. Yesterday I was driving home from work when I had to stop at some...
  19. Exhausts
    Hi all, New to the forum and after some advice, I have a W reg Renault Scenic 1.4 and I cant seem to find the same catalytic converter that was originally on my car, does anyone know if they modded it ? This is the converter that came off my car ...
  20. Engines
    Hi, My car recently scraped by the last MOT emissions test and I have a cat 202 error so all the symptoms seem to be pointing to replacing the cat as it has been destroyed somehow.... I've had several garages quote me in the region of £300 to replace the cat alone, and it'll be a bit more for...
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