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I have a 2003 chevy blazer[zr2] . In 2008 i had to replace the catalytic converter. It is 4yrs old and rattling like crazy.What's that? and What 's the normal lifetime on a cc?
Country: United StatesMake: GMChevroletModel: ZR2 BlazerYear: 2003Engine: i dont knw Already Tried: Nothing
Hi,Most converters last from 5 to 10 yrs, some as long as 15yrs. the rattling in yours will one of two things - either a heat shield on it is loose or the inside has come apart.there are many things that can cause a converter to fail prematurely: poorly tuned engineleaking fuel injectorsfaulty fuel pressure regulatorfaulty O2 sensorinternal coolant leak allowing coolant into exhaustengine burning oilI have found most of the time that a converter fails, it is due to either running too rich, burning oil or coolant, or leaking fuel injectors.Please note, your Deposit doesn't constitute a payment. Please be sure to rate OK SERVICE, GOOD SERVICE OR EXCELLENT SERVICE to complete transaction or ask for more help by clicking REPLY TO EXPERT. Positive feedback is always appreciated. Bonuses are welcome. Please note that if you have a subscription service you still need to to rate OK SERVICE, GOOD SERVICE OR EXCELLENT SERVICE , however you are not charged again. Thank you.Please note the 1 to 2 faces(POOR AND BAD SERVICE) are a negative rating. Before choosing one of these, please reply first so that I can further help you
Experience: 20+ years as repair shop manager and technician
Most converters last from 5 to 10 yrs, some as long as 15yrs. the rattling in yours will one of two things - either a heat shield on it is loose or the inside has come apart.there are many things that can cause a converter to fail prematurely: poorly tuned engineleaking fuel injectorsfaulty fuel pressure regulatorfaulty O2 sensorinternal coolant leak allowing coolant into exhaustengine burning oilI have found most of the time that a converter fails, it is due to either running too rich, burning oil or coolant, or leaking fuel injectors.Please note, your Deposit doesn't constitute a payment. Please be sure to rate OK SERVICE, GOOD SERVICE OR EXCELLENT SERVICE to complete transaction or ask for more help by clicking REPLY TO EXPERT. Positive feedback is always appreciated. Bonuses are welcome. Please note that if you have a subscription service you still need to to rate OK SERVICE, GOOD SERVICE OR EXCELLENT SERVICE , however you are not charged again. Thank you.Please note the 1 to 2 faces(POOR AND BAD SERVICE) are a negative rating. Before choosing one of these, please reply first so that I can further help you