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2014 Jeep Cherokee
2014 Jeep Cherokee Catalytic Converters
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Part Number: EC96030042
Guaranteed to Fit
$265.49
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Direct Fit
Product Details
Location : Front, Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 20 in. overall lengthType : 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 Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :
WARNING: 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.
Part Number: EC96030041
Guaranteed to Fit
$260.29
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Direct Fit
Product Details
Location : Front, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 18 in. overall lengthType : 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 Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :
WARNING: 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.
Part Number: SET-EC96030041
Guaranteed to Fit
$506.99
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Direct Fit
Product Details
Location : Front, Driver and Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Type : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Set of 2Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :
WARNING: 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.
Part Number: EC96030029
Guaranteed to Fit
$334.99
Vehicle Fitment
- 2014 Jeep Cherokee Trailhawk 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee North 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee Sport 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee Limited 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee Latitude 4 Cyl 2.4L ULEV, Manifold Unit
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 18.38 in. Overall Length; 8 Bolt Welded Flange Inlet Type A; 4 Bolt Welded Flange Outlet Type A; Ceramic Substrate MaterialType : Manifold 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 Evan Fischer limited warrantyReturns Policy : 30-Day Return PolicyProp 65 Warning :
WARNING: 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.
Part Number: M665551160
Guaranteed to Fit
$2,250.00
Vehicle Fitment
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L EO# D-193-144; Eng Fam No: Ecrxt03.65P0
- 2014 Jeep Cherokee North 6 Cyl 3.2L EO# D-193-144; Eng Fam No: Ecrxt03.65P0
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L EO# D-193-144; Eng Fam No: Ecrxt03.65P0
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L EO# D-193-144; Eng Fam No: Ecrxt03.65P0
Product Details
Location : FrontEmissions : CARB and Federal EPA Standards, 50-state LegalNotes : Direct Fit Type; Mandrel Bent Tube; Stainless Steel Construction; Ceramic Substrate Material; 16.75 in. overall lengthType : Manifold ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-144Gasket 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: 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.
Part Number: M665451158
Guaranteed to Fit
$2,601.00
Vehicle Fitment
- 2014 Jeep Cherokee Trailhawk 4 Cyl 2.4L EO# D-193-143; To 6/10/2013; Eng Fam No: Ecrxt02.45P3
- 2014 Jeep Cherokee North 4 Cyl 2.4L EO# D-193-143; To 6/10/2013; Eng Fam No: Ecrxt02.45P3
- 2014 Jeep Cherokee Latitude 4 Cyl 2.4L EO# D-193-143; To 6/10/2013; Eng Fam No: Ecrxt02.45P3
- 2014 Jeep Cherokee Sport 4 Cyl 2.4L EO# D-193-143; To 6/10/2013; Eng Fam No: Ecrxt02.45P3
- 2014 Jeep Cherokee Limited 4 Cyl 2.4L EO# D-193-143; To 6/10/2013; Eng Fam No: Ecrxt02.45P3
Product Details
Emissions : CARB and Federal EPA Standards, 50-state LegalNotes : (1) Converter Quantity; 2.25 in. Main Piping Diameter; Stainless Steel Material; Ceramic Substrate Material; Includes Gasket(s); 19 in. overall lengthType : Manifold ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : Sold individuallyEO Number : D-193-143Gasket Included : With GasketOxygen Sensor Ports : Factory OEM PortsOxygen Sensor Port Location : Factory OEM LocationsWarranty : 5-year or 50,000-mile Magnaflow limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: EAST20460
Guaranteed to Fit
$631.99
Vehicle Fitment
- 2014 Jeep Cherokee Trailhawk 4 Cyl 2.4L ULEV Emissions
- 2014 Jeep Cherokee North 4 Cyl 2.4L ULEV Emissions
- 2014 Jeep Cherokee Sport 4 Cyl 2.4L ULEV Emissions
- 2014 Jeep Cherokee Limited 4 Cyl 2.4L ULEV Emissions
- 2014 Jeep Cherokee Latitude 4 Cyl 2.4L ULEV Emissions
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : (1) Inlet Gasket Quantity; (1) Outlet Gasket Quantity; 8 Bolt Welded Flange Inlet Type A; 4 Bolt Welded Flange Outlet Type A; 18.38 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Manifold 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 Eastern limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: CAT1448
Guaranteed to Fit
$407.49
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Federal and California Emissions
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Federal and California Emissions
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Federal and California Emissions
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Federal and California Emissions
Product Details
Location : Front, Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 20 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 Catco limited warranty on converter body with 25,000-mile limited warranty on emissionsProp 65 Warning :
WARNING: 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.
Part Number: APE641544
Guaranteed to Fit
$405.99
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Direct Fit
Product Details
Location : Front, Driver SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 20 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 AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsProp 65 Warning :
WARNING: 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.
Part Number: RB674312
Guaranteed to Fit
$471.49
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 4 in. Converted Body Length; (6) Inlet Quantity; (1) Outlet Quantity; (2) Sensor Port Quantity; Irregular Exhaust Manifold Inlet Port; Includes Gasket or Seal and Installation Hardware; 14 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Manifold 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 Dorman limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: CAT1470
Guaranteed to Fit
$489.49
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Federal and California Emissions
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Federal and California Emissions
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Federal and California Emissions
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Federal and California Emissions
Product Details
Location : Front, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 18 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 Catco limited warranty on converter body with 25,000-mile limited warranty on emissionsProp 65 Warning :
WARNING: 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.
Part Number: RB674313
Guaranteed to Fit
$504.99
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L
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 : 4 in. Converted Body Length; (5) Inlet Quantity; (1) Outlet Quantity; (2) Sensor Port Quantity; Irregular Exhaust Manifold Inlet Port; Includes Gasket or Seal and Installation Hardware; 16 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Manifold 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 Dorman limited warrantyProp 65 Warning :
WARNING: 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.
Part Number: APE641566
Guaranteed to Fit
$426.99
Vehicle Fitment
- 2014 Jeep Cherokee North 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Latitude 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Limited 6 Cyl 3.2L Direct Fit
- 2014 Jeep Cherokee Trailhawk 6 Cyl 3.2L Direct Fit
Product Details
Location : Front, Passenger SideEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 18 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 AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsProp 65 Warning :
WARNING: 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.
Part Number: APE641513
Guaranteed to Fit
$640.99
Vehicle Fitment
- 2014 Jeep Cherokee Trailhawk 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee North 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee Sport 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee Limited 4 Cyl 2.4L ULEV, Manifold Unit
- 2014 Jeep Cherokee Latitude 4 Cyl 2.4L ULEV, Manifold Unit
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : 18.38 in. Overall Length; 8 Bolt Welded Flange Inlet Type A; 4 Bolt Welded Flange Outlet Type A; Ceramic Substrate MaterialType : Manifold 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 AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsProp 65 Warning :
WARNING: 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.
Part Number: CAT1413
Guaranteed to Fit
$678.49
Vehicle Fitment
- 2014 Jeep Cherokee Trailhawk 4 Cyl 2.4L Excluding PZEV Emissions, Federal and California Emissions
- 2014 Jeep Cherokee North 4 Cyl 2.4L Excluding PZEV Emissions, Federal and California Emissions
- 2014 Jeep Cherokee Sport 4 Cyl 2.4L Excluding PZEV Emissions, Federal and California Emissions
- 2014 Jeep Cherokee Limited 4 Cyl 2.4L Excluding PZEV Emissions, Federal and California Emissions
- 2014 Jeep Cherokee Latitude 4 Cyl 2.4L Excluding PZEV Emissions, Federal and California Emissions
Product Details
Location : FrontEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Notes : Exhaust Manifold Included; 18.38 in. overall lengthRestricted States : California|Colorado|New York|MaineType : Manifold 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 Catco limited warranty on converter body with 25,000-mile limited warranty on emissionsProp 65 Warning :
WARNING: 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.
Page 1 of 3 | Showing 1 - 15 of 44 results
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CatcoFront, Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Federal and California Emissions, 6 Cyl 3.2LManufacturer #1448
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FEDERAL EPA STANDARD, 46-STATE LEGAL (CANNOT SHIP TO OR BE USED IN VEHICLES ORIGINALLY PURCHASED IN CA, CO, NY OR ME) DIRECT FIT CATCO CATALYTIC CONVERTER
If a clogged or damaged converter’s got your emissions system on the fritz, trust CATCO’s direct fit c...
AP ExhaustFront, Driver Side Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), Direct Fit, 6 Cyl 3.2LManufacturer #641544
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FEDERAL EPA STANDARD, 46-STATE LEGAL (CANNOT SHIP TO OR BE USED IN VEHICLES ORIGINALLY PURCHASED IN CA, CO, NY OR ME) DIRECT FIT AP EXHAUST CATALYTIC CONVERTER
The AP Exhaust catalytic converter has an eco-friendly and energy-efficient design to support maximum pollu...
FlowmasterNo Returns Accepted, Universal Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME)Manufacturer #2000120
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FLOWMASTER CATALYTIC CONVERTER
Expertly crafted and tested to top-grade, OE-specific standards, Flowmaster Catalytic Converter provides high quality performance without the high level price. Its OE-standard design provides the right fit and the right solut...
MagnaflowFront Catalytic Converter, CARB and Federal EPA Standards, 50-state Legal, EO# D-193-144; Eng Fam No: Ecrxt03.65P0, 3.2L, California SeriesManufacturer #5551160
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MAGNAFLOW CATALYTIC CONVERTER
Meticulously constructed with premium stainless steel, MagnaFlow’s catalytic converter is engineered to deliver a precise fit for easy, bolt-on installation. MagnaFlow is one of the world’s largest manufacturers...
DormanFront Catalytic Converter, Federal EPA Standard, 46-State Legal (Cannot ship to or be installed in vehicles originally purchased in CA, CO, NY or ME), 6 Cyl 3.2L, OE Solutions SeriesManufacturer #674-312
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FEDERAL EPA STANDARD, 46-STATE LEGAL (CANNOT SHIP TO OR BE USED IN VEHICLES ORIGINALLY PURCHASED IN CA, CO, NY OR ME) DIRECT FIT DORMAN CATALYTIC CONVERTER
Reduce the pollutants your vehicle releases with Dorman’s OE replacement catalytic converter. Since 191...
Helpful Automotive Resources
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 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?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)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)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 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