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2005 Toyota Corolla

2005 Toyota Corolla Catalytic Converters

Is an old catalytic converter causing your car to belch smoke? Don’t let this potential health hazard persist. Replace your faulty component right. Good thing CarParts.com is a one-stop shop when it comes to parts like 2005 Toyota Corolla catalytic converters. Thanks to our affordable prices, you can enjoy great value on our high-quality parts. We also offer different types of catalytic converters for various makes and models. Enjoy our great deals and fast shipping when you shop for 2005 Toyota Corolla catalytic converters today!
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Front, Center Exact Fit Series Direct Fit Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: DAV19072F
Guaranteed to Fit
$343.49
Vehicle Fitment
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Eng Des: 1ZZ-FE, Eng Vin: R
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Eng Des: 1ZZ-FE, Eng Vin: R
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L Eng Des: 2ZZGE
  • 2005 Toyota Corolla S 4 Cyl 1.8L Eng Des: 1ZZ-FE, Eng Vin: R
Product Details
Location : Front, CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Restricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Exact Fit SeriesTube Material : Aluminized Steel
Magnaflow Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV2 ULEV, Engine Family Number 5TYXV01.8PEA
Part Number: M66551461
Guaranteed to Fit
$1,130.00
Vehicle Fitment
  • 2005 Toyota Corolla S 4 Cyl 1.8L Engine Des: 1ZZ-FE, EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Engine Des: 1ZZ-FE, EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Engine Des: 1ZZ-FE, EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 33.13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-133Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 1.8L Engine, Semi-Universal (Welding Required), includes Oxygen Sensor
Part Number: KIT-083023-03
Guaranteed to Fit
$1,163.99
Vehicle Fitment
  • 2005 Toyota Corolla S 4 Cyl 1.8L Engine Des: 1ZZ-FE, EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Engine Des: 1ZZ-FE, EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Engine Des: 1ZZ-FE, EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalComponents : (1) Catalytic Converter and (1) Oxygen SensorType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : KitEO Number : D-193-133Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 25054006Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 1.8L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-58
Guaranteed to Fit
$1,075.99
Vehicle Fitment
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 5Tyxv01.8Vma
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalComponents : (1) Catalytic Converter and (1) Oxygen SensorType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitEO Number : D-193-96Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 5 year / 50,000 Mile Limited WarrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 25024796Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Center Exact Fit Series Direct Fit Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: DAV347449
Guaranteed to Fit
$1,573.99
Vehicle Fitment
  • 2005 Toyota Corolla S 4 Cyl 1.8L Emission Std: LEV1 LEV; Engine Family: 5Tyxv01.8Vma; Weight Class: Pc; Engine Family: 5Tyxv01.8Vra
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Emission Std: LEV1 LEV; Engine Family: 5Tyxv01.8Vma; Weight Class: Pc; Engine Family: 5Tyxv01.8Vra
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Emission Std: LEV1 LEV; Engine Family: 5Tyxv01.8Vma; Weight Class: Pc; Engine Family: 5Tyxv01.8Vra
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L Emission Std: LEV1 LEV; Engine Family: 5Tyxv01.8Vma; Weight Class: Pc; Engine Family: 5Tyxv01.8Vra
Product Details
Location : CenterEmissions : CARB and Federal EPA Standards, 50-state LegalType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-562-68Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 25,000-mile Davico limited warranty on catalyst emission properties and 5-year or 50,000-mile limited warranty on tube, shell and weldsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Exact Fit SeriesTube Material : Aluminized Steel
Magnaflow Rear Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV2 ULEV, Engine Family Number 5TYXV01.8PEA, XRS Model
Part Number: M66557405
Guaranteed to Fit
$353.00
Vehicle Fitment
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
Product Details
Location : RearEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-133Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Magnaflow Front or Rear Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: M6651205
Guaranteed to Fit
$194.00
Vehicle Fitment
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Engine Des: 1ZZ-FE, Cutting And Welding Required
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L Cutting And Welding Required
  • 2005 Toyota Corolla S 4 Cyl 1.8L Engine Des: 1ZZ-FE, Cutting And Welding Required
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Engine Des: 1ZZ-FE, Cutting And Welding Required
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 2.25 in. Inlet/Outlet; 13 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile Limited WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Magnaflow Catalytic Converter SaleSeries : OEM Grade SeriesTube Material : Stainless Steel
Magnaflow Rear Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV2 ULEV, Engine Family Number 5TYXV01.8PEA, CE/LE/S Models
Part Number: M66557404
Guaranteed to Fit
$353.00
Vehicle Fitment
  • 2005 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
  • 2005 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
  • 2005 Toyota Corolla S 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
Product Details
Location : RearEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-133Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Magnaflow Front Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV2 ULEV, Engine Family Number 5TYXV01.8PEA
Part Number: M66551005
Guaranteed to Fit
$465.00
Vehicle Fitment
  • 2005 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
  • 2005 Toyota Corolla S 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
  • 2005 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-133; Eng Fam No: 5Tyxv01.8Pea; Cutting And Welding Required
Product Details
Location : FrontEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 7 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-133Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Magnaflow Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), CE/LE/S Models, HM Grade Series -
Part Number: M6693200
Guaranteed to Fit
$595.00
Vehicle Fitment
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Engine Des: 1ZZ-FE
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Engine Des: 1ZZ-FE
  • 2005 Toyota Corolla S 4 Cyl 1.8L Engine Des: 1ZZ-FE
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : Gaskets Included; 33.25 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 5 year / 50,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : HM Grade SeriesTube Material : Stainless Steel
Magnaflow Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), CE/LE/S Models, OEM Grade Series -
Part Number: M6649461
Guaranteed to Fit
$625.00
Vehicle Fitment
  • 2005 Toyota Corolla CE 4 Cyl 1.8L Engine Des: 1ZZ-FE
  • 2005 Toyota Corolla LE 4 Cyl 1.8L Engine Des: 1ZZ-FE
  • 2005 Toyota Corolla S 4 Cyl 1.8L Engine Des: 1ZZ-FE
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : Gaskets Included; 33.25 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : Magnaflow 25,000 Mile Limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
Magnaflow Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV1 LEV, Engine Family Number 5TYXV01.8VRA, Semi-Universal (Welding Required)
Part Number: M66448305
Guaranteed to Fit
$718.00
Vehicle Fitment
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L EO# D-193-113; Eng Fam No: 5Tyxv01.8Vra; Cutting And Welding Required
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 16 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-113Gasket Included : Without GasketWarranty : 5-year or 50,000-mile Magnaflow limited warrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Magnaflow Under Body Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME) -
Part Number: M6652458
Guaranteed to Fit
$722.00
Vehicle Fitment
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L
Product Details
Emissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 84 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyGasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warranty on Construction; 25,000-mile Magnaflow limited warranty on EmissionsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OEM Grade SeriesTube Material : Stainless Steel
Magnaflow Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV1 LEV, Engine Family Number 5TYXV01.8VRA
Part Number: M664481458
Guaranteed to Fit
$1,423.00
Vehicle Fitment
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L EO# D-193-139; Eng Fam No: 5Tyxv01.8Vra
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 2.25 in. Main Piping Diameter; Bolt-On Inlet and Outlet Attachment; Stainless Steel Material; Ceramic Substrate Material; Pre and Post Converter; Includes Clamp, Hangers and Gasket; 84 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-139Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Magnaflow Front Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Certification LEV1 LEV, Engine Family Number 5TYXV01.8VMA
Part Number: M66444205
Guaranteed to Fit
$378.00
Vehicle Fitment
  • 2005 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 5Tyxv01.8Vma; Cutting And Welding Required
  • 2005 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 5Tyxv01.8Vma; Cutting And Welding Required
  • 2005 Toyota Corolla XRS 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 5Tyxv01.8Vma; Cutting And Welding Required
  • 2005 Toyota Corolla S 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 5Tyxv01.8Vma; Cutting And Welding Required
Product Details
Location : FrontEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 2.25 in. Inlet/Outlet; 13 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-96Gasket Included : Without GasketWarranty : Magnaflow 5 year / 50,000 Mile Limited WarrantyReturns Policy : NON-RETURNABLEProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : California SeriesTube Material : Stainless Steel
Page 1 of 4 | Showing 1 - 15 of 55 results

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Product Questions & Answers

Q:In which direction should I install a catalytic converter that has an arrow pointing to the front and to the back? Part number 444205 Show Less
Pelillo
A:BEST ANSWERHi Mario, I'm glad to assist you. We cannot answer the question without any specific details on hand. The part should come with specific details for you to determine the front and rear positions. We checked the details of the Magnaflow part number and found the information saying "front position only." But, no other details were mentioned. We have to check with Magnaflow via email and give feedback to you later. You can also give Magnaflow a ring to ask for that detail since you received the part already. Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

P0430 Code: Catalyst System Efficiency Below Threshold  (Bank 2)
P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2)In most cases, a vehicle with an inefficient catalytic converter will continue to run just fine. But if the converter is obstructed internally, it can cause poor engine performance and may even damage the engine in the long run.
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
Can You Drive Without a Catalytic Converter?
Can You Drive Without a Catalytic Converter?Technically, yes. Older cars ran just fine before catalytic converters became commonplace in the 1970s. So, if your question is whether your car will run without one, then it most certainly will. But the other question you should be asking is—should you risk it?  Removing or disabling the catalytic converter could
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)The PCM may disable the misfiring cylinder or cylinders in order to prevent further damage to the engine. Code P0316 is often listed in addition to one or more of the P0300 series codes that are associated with the misfiring cylinder/s.
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.
How to Tell If the Catalytic Converter is Clogged
How to Tell If the Catalytic Converter is CloggedA clogged catalytic converter will present symptoms, while a chemically failed cat con that’s not clogged typically just illuminates the check engine light or malfunction indicator lamp (MIL). Also, if the cat con that just fails chemically but doesn’t clog is not the light-off cat con (the cat con closest