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2003 Toyota Corolla

2003 Toyota Corolla Catalytic Converters

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Center Catalytic Converter, 4 Cyl., 1.8L, 1ZZ-FE Engine, Front Wheel Drive, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)
Part Number: REPP960302
Guaranteed to Fit
$238.57
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, With 2 Converter
  • 2003 Toyota Corolla S 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, With 2 Converter
  • 2003 Toyota Corolla CE 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, With 2 Converter
Product Details
Location : CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 87.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NN, N/TB6000/65405NNGasket Included : Without GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile Evan Fischer 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 : 19072Series : Direct Replacement SeriesTube Material : Aluminized Steel
Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-110; Eng Fam No: 3Tyxv01.8Hha, 4 Cyl California Series -
Part Number: M66454200
Guaranteed to Fit
$1,299.00
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-110; Eng Fam No: 3Tyxv01.8Hha
  • 2003 Toyota Corolla S 4 Cyl 1.8L EO# D-193-110; Eng Fam No: 3Tyxv01.8Hha
  • 2003 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-110; Eng Fam No: 3Tyxv01.8Hha
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 32.1 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-110Gasket Included : Without GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow 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.

Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Center Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Eng Des: 1ZZ-FE, FWD, With 2 Converter, 4 Cyl 1.8L, Exact Fit Series
Part Number: DAV19072
Guaranteed to Fit
$455.49
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, With 2 Converter
  • 2003 Toyota Corolla S 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, With 2 Converter
  • 2003 Toyota Corolla CE 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, With 2 Converter
Product Details
Location : CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 86.5 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 : 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.

Interchange Part Number : JP960302Series : Exact Fit SeriesTube Material : Aluminized Steel
Center Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Eng Des: 1ZZ-FE, FWD, Dealer Alternative, 4 Cyl 1.8L, Ultra Load Series
Part Number: DAV49072
Guaranteed to Fit
$686.49
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, Dealer Alternative
  • 2003 Toyota Corolla CE 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, Dealer Alternative
  • 2003 Toyota Corolla S 4 Cyl 1.8L Eng Des: 1ZZ-FE, FWD, Dealer Alternative
Product Details
Location : CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 86.5 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 : 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.

Interchange Part Number : 19072, 4274Series : Ultra Load SeriesTube Material : Aluminized Steel
Center Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, With 2 Converter; Emission Std: Tier1; Engine Family: 3Tyxv01.8Ffd; Weight Class: Pc, 4 Cyl Exact Fit Series
Part Number: DAV175794
Guaranteed to Fit
$1,430.49
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L With 2 Converter; Emission Std: Tier1; Engine Family: 3Tyxv01.8Ffd; Weight Class: Pc
  • 2003 Toyota Corolla S 4 Cyl 1.8L With 2 Converter; Emission Std: Tier1; Engine Family: 3Tyxv01.8Ffd; Weight Class: Pc
  • 2003 Toyota Corolla CE 4 Cyl 1.8L With 2 Converter; Emission Std: Tier1; Engine Family: 3Tyxv01.8Ffd; Weight Class: Pc
Product Details
Location : CenterEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : 22.25 in. W x 7.25 in. H; 86.5 in. overall lengthType : 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
Center Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, Emission Std: TLEV; Engine Family: 3Tyxv01.8Ddc; Weight Class: Pc, 4 Cyl Exact Fit Series
Part Number: DAV175804
Guaranteed to Fit
$1,612.99
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L Emission Std: TLEV; Engine Family: 3Tyxv01.8Ddc; Weight Class: Pc
  • 2003 Toyota Corolla CE 4 Cyl 1.8L Emission Std: TLEV; Engine Family: 3Tyxv01.8Ddc; Weight Class: Pc
  • 2003 Toyota Corolla S 4 Cyl 1.8L Emission Std: TLEV; Engine Family: 3Tyxv01.8Ddc; Weight Class: Pc
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
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), Cutting And Welding Required, 4 Cyl 1.8L, OEM Grade Series
Part Number: M6651205
Guaranteed to Fit
$194.00
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L Cutting And Welding Required
  • 2003 Toyota Corolla CE 4 Cyl 1.8L Cutting And Welding Required
  • 2003 Toyota Corolla S 4 Cyl 1.8L Cutting And Welding Required
Product Details
Location : Front or RearEmissions : 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
Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-119; Eng Fam No: 3Tyxv01.8Ddc; Cutting And Welding Required, 4 Cyl California Series
Part Number: M66418034
Guaranteed to Fit
$450.00
Vehicle Fitment
  • 2003 Toyota Corolla S 4 Cyl 1.8L EO# D-193-119; Eng Fam No: 3Tyxv01.8Ddc; Cutting And Welding Required
  • 2003 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-119; Eng Fam No: 3Tyxv01.8Ddc; Cutting And Welding Required
  • 2003 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-119; Eng Fam No: 3Tyxv01.8Ddc; Cutting And Welding Required
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 2 in. Inlet/Outlet; 15 in. overall lengthType : Catalytic ConverterProduct Fit : Semi-Universal (Welding Required)Recommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-93-119Gasket 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
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 4 Cyl 1.8L, HM Grade Series -
Part Number: M6693200
Guaranteed to Fit
$595.00
Vehicle Fitment
  • 2003 Toyota Corolla S 4 Cyl 1.8L
  • 2003 Toyota Corolla LE 4 Cyl 1.8L
  • 2003 Toyota Corolla CE 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 : 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
Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 4 Cyl 1.8L, OEM Grade Series -
Part Number: M6649461
Guaranteed to Fit
$625.00
Vehicle Fitment
  • 2003 Toyota Corolla S 4 Cyl 1.8L
  • 2003 Toyota Corolla LE 4 Cyl 1.8L
  • 2003 Toyota Corolla CE 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 : 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
Front Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd; Cutting And Welding Required, 4 Cyl California Series
Part Number: M66444205
Guaranteed to Fit
$378.00
Vehicle Fitment
  • 2003 Toyota Corolla S 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd; Cutting And Welding Required
  • 2003 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd; Cutting And Welding Required
  • 2003 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd; 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
Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd, 4 Cyl California Series -
Part Number: M66444312
Guaranteed to Fit
$1,076.00
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd
  • 2003 Toyota Corolla S 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd
  • 2003 Toyota Corolla CE 4 Cyl 1.8L EO# D-193-96; Eng Fam No: 3Tyxv01.8Ffd
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : 2.25 in. Main Piping Diameter; (2) Converter Quantity; Pre and Post Converter Oxygen Sensor Location; Ceramic Substrate Material; 32.1 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO 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.

Promotions : Magnaflow Catalytic Converter SaleSeries : California SeriesTube Material : Stainless Steel
Center Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, E.O. # D-665-23, Eng. Fam.: 3TYXV01.8HHA, CARB FTB STD: LEV1 ULEV, 4 Cyl
Part Number: EAST809581
Guaranteed to Fit
$1,181.99
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L E.O. # D-665-23, Eng. Fam.: 3TYXV01.8HHA, CARB FTB STD: LEV1 ULEV
  • 2003 Toyota Corolla S 4 Cyl 1.8L E.O. # D-665-23, Eng. Fam.: 3TYXV01.8HHA, CARB FTB STD: LEV1 ULEV
  • 2003 Toyota Corolla CE 4 Cyl 1.8L E.O. # D-665-23, Eng. Fam.: 3TYXV01.8HHA, CARB FTB STD: LEV1 ULEV
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-665-23Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Eastern 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.

Tube Material : Aluminized Steel
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), Undercar, 4 Cyl 1.8L, Standard Series
Part Number: EAST70248
Guaranteed to Fit
$112.99
Vehicle Fitment
  • 2003 Toyota Corolla LE 4 Cyl 1.8L Undercar
  • 2003 Toyota Corolla S 4 Cyl 1.8L Undercar
  • 2003 Toyota Corolla CE 4 Cyl 1.8L Undercar
Product Details
Location : RearEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 12 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 : 5-year or 50,000-mile Eastern 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 : Standard SeriesTube Material : Aluminized Steel
Center Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 2WD, With Dual Catalytic Converter System, Without resonator, 4 Cyl 1.8L, Ultra Series
Part Number: WK53717
Guaranteed to Fit
$449.99
Vehicle Fitment
  • 2003 Toyota Corolla S 4 Cyl 1.8L 2WD, With Dual Catalytic Converter System, Without resonator
  • 2003 Toyota Corolla LE 4 Cyl 1.8L 2WD, With Dual Catalytic Converter System, Without resonator
  • 2003 Toyota Corolla CE 4 Cyl 1.8L 2WD, With Dual Catalytic Converter System, Without resonator
Product Details
Location : CenterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 31 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 : 5-year or 50,000-mile Walker 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 : Ultra SeriesTube Material : Stainless Steel
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Popular Products

Product Questions & Answers

Q:In order to install this cat I will need to cut off my OEM pipe ahead of the resonator. Will your cat outlet pipe fit inside my OEM pipe which is 2 1/8" OD? Show Less
Jimbo Jolly
A:BEST ANSWERHi Jimbo, I'm pleased to assist you. We can only guarantee fitment based on our application guide. Can you send us the year, make, model, submodel, and engine size of the vehicle or the 17-character VIN so we can check? We look forward to your response. Have a good one. Show less
Grace G.
 
2 Questions, 1 AnswerView all Q&As >
Q:Hi, just want to confirm this product is compatible with a 1997 Toyota Corolla? Replacing due to theft. Cheers! Show Less
Kulika N.
A:BEST ANSWERHi Kulika, thank you for reaching out. This item is incompatible with the 1997 Toyota Corolla. Click this link to order the suggested catalytic converter for your car: https://www.carparts.com/search?q=Catalytic_Converter&vehicle[year]=1997&vehicle[make]=Toyota&vehicle[model]=Corolla&filters[universal]=false&can=CPAP3648_CSQA_20221109 I hope this helps. Have a wonderful day. Show less
Aldrin P.
 
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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