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1998 Honda Accord

1998 Honda Accord Catalytic Converters

If your car has an old and worn-out catalytic converter, it might accelerate poorly and produce dark exhaust smoke. Keep your 1998 Honda Accord performing well by getting replacement catalytic converters here at CarParts.com. CarParts.com carries only parts that have passed stringent quality control standards. You can also enjoy great value on our parts, thanks to our affordable prices. Enjoy our deals when you shop for 1998 Honda Accord catalytic converters today!
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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), 15.5 In. Overall Length, Except Low Emission Vehicles or Ultra Low Emission Vehicles or California Emission Vehicles -
Part Number: JH960304
Guaranteed to Fit
$129.99
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L Sedan, O2 Sensor in Center
  • 1998 Honda Accord LX 4 Cyl 2.3L Coupe, O2 Sensor in Center
  • 1998 Honda Accord DX 4 Cyl 2.3L Sedan, O2 Sensor in Center
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 : 15.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/63005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney 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 : 0963672Series : Direct Replacement SeriesTube Material : Aluminized 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) - Center, 3.0 Liter Engine
Part Number: JH960303
Guaranteed to Fit
$224.99
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
  • 1998 Honda Accord EX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
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 : 17 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney 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 : 13071Series : Direct Replacement 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), 15.5 In. Overall Length, Except Low Emission Vehicles or Ultra Low Emission Vehicles or California Emission Vehicles
Part Number: REPH960304
Guaranteed to Fit
$125.61
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L Sedan, O2 Sensor in Center
  • 1998 Honda Accord LX 4 Cyl 2.3L Coupe, O2 Sensor in Center
  • 1998 Honda Accord DX 4 Cyl 2.3L Sedan, O2 Sensor in Center
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 : 15.5 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/63005NNGasket Included : With 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 : 0963672Series : Direct Replacement SeriesTube Material : Aluminized 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) - Center, 3.0 Liter Engine
Part Number: REPH960303
Guaranteed to Fit
$118.49
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
  • 1998 Honda Accord EX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
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 : 17 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEPA : N/TB6000/64805NNGasket Included : With 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 : 13071Series : Direct Replacement SeriesTube Material : Aluminized Steel
Center Catalytic Converter Kit, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), includes Oxygen Sensor
Part Number: KIT-J082316-02
Guaranteed to Fit
$237.99
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
  • 1998 Honda Accord EX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
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 : 17 in. overall lengthComponents : (1) Center Catalytic Converter, (1) After Catalytic Converter Oxygen SensorRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitEPA : N/TB6000/64805NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 5-year or 50,000-mile JC Whitney 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 : 13071, 25024343Promotions : Free Oxygen Sensor with JCW Catalytic Converter KitsSeries : Direct JC Whitney SeriesTube Material : Aluminized Steel
Center Catalytic Converter Kit, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), includes Oxygen Sensor
Part Number: KIT-082316-02
Guaranteed to Fit
$137.49
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
  • 1998 Honda Accord EX 6 Cyl 3.0L With Federal Emission; With Mid Cat O2 Port
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 : 17 in. overall lengthComponents : (1) Center Catalytic Converter, (1) After Catalytic Converter Oxygen SensorRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : KitEPA : N/TB6000/64805NNGasket Included : With 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 : 13071, 25024343Series : Direct Replacement SeriesTube Material : Aluminized Steel
California Series Catalytic Converter, 4, 2.3 CARB and Federal EPA Standards, 50-state Legal
Part Number: M664561083
Guaranteed to Fit
$1,037.00
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L EO# D-193-142; Eng Fam No: Whnxv02.3Pl4
  • 1998 Honda Accord DX 4 Cyl 2.3L EO# D-193-142; Eng Fam No: Whnxv02.3Pl4
  • 1998 Honda Accord LX 4 Cyl 2.3L EO# D-193-142; Eng Fam No: Whnxv02.3Pl4
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : Stainless Steel MaterialType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-142Gasket Included : With 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
California Series Catalytic Converter, 4, 2.3 CARB and Federal EPA Standards, 50-state Legal
Part Number: M664481615
Guaranteed to Fit
$967.00
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
  • 1998 Honda Accord LX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
  • 1998 Honda Accord DX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : Stainless Steel MaterialType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-139Gasket Included : With 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
California Series Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal
Part Number: M664481647
Guaranteed to Fit
$977.00
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L EO# D-193-139; Eng Fam No: Whnxv03.0Fl2; With Midbed O2 Sensor
  • 1998 Honda Accord EX 6 Cyl 3.0L EO# D-193-139; Eng Fam No: Whnxv03.0Fl2; With Midbed O2 Sensor
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 2 in. Main Piping Diameter; Bolt-On Inlet and Outlet Attachment; Stainless Steel Material; Ceramic Substrate Material; Midbed; Includes Gasket; 17.25 in. overall lengthType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-139Gasket Included : With 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
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.3L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-96
Guaranteed to Fit
$1,064.99
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L EO# D-193-142; Eng Fam No: Whnxv02.3Pl4
  • 1998 Honda Accord LX 4 Cyl 2.3L EO# D-193-142; Eng Fam No: Whnxv02.3Pl4
  • 1998 Honda Accord DX 4 Cyl 2.3L EO# D-193-142; Eng Fam No: Whnxv02.3Pl4
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-193-142Gasket Included : With 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.

Interchange Part Number : 25024343Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.3L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-95
Guaranteed to Fit
$994.99
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
  • 1998 Honda Accord DX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
  • 1998 Honda Accord LX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
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-193-139Gasket Included : With 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.

Interchange Part Number : 25024343Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 6 Cyl., 3.0L/3.2L Engines, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-94
Guaranteed to Fit
$1,004.99
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L EO# D-193-139; Eng Fam No: Whnxv03.0Fl2; With Midbed O2 Sensor
  • 1998 Honda Accord EX 6 Cyl 3.0L EO# D-193-139; Eng Fam No: Whnxv03.0Fl2; With Midbed O2 Sensor
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-193-139Gasket Included : With 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.

Interchange Part Number : 25024343Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 6 Cyl., 3.0L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-84
Guaranteed to Fit
$976.99
Vehicle Fitment
  • 1998 Honda Accord LX 6 Cyl 3.0L EO# D-193-139; Eng Fam No: Whnxv03.0Fl2; With Midbed O2 Sensor
  • 1998 Honda Accord EX 6 Cyl 3.0L EO# D-193-139; Eng Fam No: Whnxv03.0Fl2; With Midbed O2 Sensor
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-193-139Gasket Included : With 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.

Interchange Part Number : 25024099Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.3L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-92
Guaranteed to Fit
$966.99
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
  • 1998 Honda Accord DX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
  • 1998 Honda Accord LX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
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-193-139Gasket Included : With 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.

Interchange Part Number : 2344620Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
Catalytic Converter Kit, CARB and Federal EPA Standards, 50-state Legal, 4 Cyl., 2.3L Engine, Direct Fit, includes Oxygen Sensor
Part Number: KIT-083023-97
Guaranteed to Fit
$967.00
Vehicle Fitment
  • 1998 Honda Accord EX 4 Cyl 2.3L EO# D-193-139; Eng Fam No: Whnxv02.3Pa3; Eng Fam No: Whnxv02.3Pl2
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-193-139Gasket Included : With 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.

Interchange Part Number : 25054055Promotions : Magnaflow Catalytic Converter SaleTube Material : Stainless Steel
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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