"there is a bad sound coming from the engine when i start the vehicle"

"The exhaust is leaking and making a lot of noise"

"Fault on diagnostics said oxygen sensor faulty. engine light on. need replacement"

"Not sure what the problem is but i think care needs replacement of catalytic converter."

"engine light turned on, and as per Audi manual, is an indication of bad catalytic converter."

"The exhaust mainfault is cracked so i need to replace it because its consuming to much petrol"

"EXHUST LEAK, LOSS OF POWER, CLOGGED IDLE"

"Need a cat replacement or dummy cat installed on my car."

"I have a check engine light and the OBD scanner shows that it's an Oxygen sensor. am thinking due to the once got stuck on low-level water. maybe it has rusted"

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