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1991 Ford Aerostar
1991 Ford Aerostar Spark Plugs
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Part Number: BS6747
Guaranteed to Fit
$10.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L RWD
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L RWD
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L Mini Passenger Van, RWD
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L RWD
- 1991 Ford Aerostar XL 6 Cyl 3.0L RWD
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L RWD
Product Details
Notes : (1) Ground Electrode; 16 mm Hex Size; 6000 Ohms Resistance; 4-Cycle Spark Plug Type; Nickel-Yttrium Ground Electrode Tip; Standard Ground Configuration; Standard Ground Electrode Tip; Non-Projected Ceramic Insulator; Tapered Seat Type; With ResistorSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Bosch limited warrantyPromotions : European Vehicle PartsElectrode Core Material : Nickel-Yttrium, Copper, and Platinum Electrode CoreReach : 17.5 mm ReachGap Size : 1.3 mmRecommended Use : OE ReplacementProduct Fit : Direct FitHeat Range : 7Thread Size : 14 mm
Part Number: BS7971
Guaranteed to Fit
$2.49
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar Base 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar Base 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar XLT 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar XL 6 Cyl 3.0L Gap 0.044 in.
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar XLT 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar XL 6 Cyl 4.0L Gap 0.054 in., Original Equipment Is Platinum
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L Gap 0.044 in.
Product Details
Notes : 5/8 in. hex size; Projected tip; Removable nut terminal type; Tapered seat styleSeries : OE/Specialty Spark Plug SeriesSpark Plug Code : HR8DCX+Electrode Tip Material : Nickel-yttrium Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Bosch 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: ALTAP104
Guaranteed to Fit
$6.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
Product Details
Notes : 5000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Nickel Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 4-year Autolite 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: ALTXP104
Guaranteed to Fit
$11.49
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
Product Details
Notes : 5000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite 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: ALTXP605
Guaranteed to Fit
$6.49
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L
- 1991 Ford Aerostar Base 6 Cyl 4.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L
- 1991 Ford Aerostar XLT 6 Cyl 4.0L
- 1991 Ford Aerostar XL 6 Cyl 4.0L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite 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: ACR42LTS
Guaranteed to Fit
$10.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R42LTSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco 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: SET-ACR42LTS-6
Guaranteed to Fit
$25.49
Vehicle Fitment
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R42LTSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 24-months or unlimited mile AC Delco 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: ACR44LTS6
Guaranteed to Fit
$8.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L FI
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L FI
- 1991 Ford Aerostar Base 6 Cyl 4.0L FI
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L FI
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L FI
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L FI
- 1991 Ford Aerostar XLT 6 Cyl 4.0L FI
- 1991 Ford Aerostar XL 6 Cyl 4.0L FI
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R44LTS6Electrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco 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: SET-ACR44LTS6-6
Guaranteed to Fit
$22.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L FI
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L FI
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L FI
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L FI
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L FI
- 1991 Ford Aerostar XLT 6 Cyl 4.0L FI
- 1991 Ford Aerostar XL 6 Cyl 4.0L FI
- 1991 Ford Aerostar Base 6 Cyl 4.0L FI
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R44LTS6Electrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 24-months or unlimited mile AC Delco 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: ACMR43LTS
Guaranteed to Fit
$2.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
Product Details
Notes : 0.67 in. Thread Reach; 16 mm Hex Size; 2500-12000 Ohms Resistance; (1) Ground Electrode; Nickel Ground Electrode Tip; Tapered Seat TypeSeries : Professional Conventional SeriesSpark Plug Code : MR43LTSElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5614210, 19355201Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco 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: SET-ACMR43LTS-6
Guaranteed to Fit
$22.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
Product Details
Series : Professional Conventional SeriesSpark Plug Code : MR43LTSElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5614210, 19355201Quantity Sold : Set of 6Warranty : 24-months or unlimited mile AC Delco 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: AC14
Guaranteed to Fit
$4.49
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XLT 6 Cyl 4.0L
- 1991 Ford Aerostar XL 6 Cyl 4.0L
- 1991 Ford Aerostar Base 6 Cyl 4.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L
Product Details
Notes : 5/8 in. hex size; Tapered spark plug seat style; Nickel Alloy ground electrode core material; Single platinum electrode configurationSeries : RapidFire Performance Platinum SeriesSpark Plug Code : 14Electrode Tip Material : Platinum Electrode TipReplaces OE Number : 19308033Quantity Sold : Sold individuallyWarranty : 3 year, unlimited-mileage AC Delco 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: SET-AC14-6
Guaranteed to Fit
$31.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L
- 1991 Ford Aerostar Base 6 Cyl 4.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L
- 1991 Ford Aerostar XLT 6 Cyl 4.0L
- 1991 Ford Aerostar XL 6 Cyl 4.0L
Product Details
Series : RapidFire Performance Platinum SeriesSpark Plug Code : 14Electrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 3 year, unlimited-mileage AC Delco 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: NP4511
Guaranteed to Fit
$12.49
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XLT 6 Cyl 4.0L
- 1991 Ford Aerostar Base 6 Cyl 4.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XL 6 Cyl 4.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Tapered seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSeries : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Denso 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: SET-NP4511-6
Guaranteed to Fit
$33.99
Vehicle Fitment
- 1991 Ford Aerostar XLT Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XLT Plus 6 Cyl 3.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 4.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 3.0L
- 1991 Ford Aerostar XLT 6 Cyl 3.0L
- 1991 Ford Aerostar XLT Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XL Sport 6 Cyl 4.0L
- 1991 Ford Aerostar XLT 6 Cyl 4.0L
- 1991 Ford Aerostar XL 6 Cyl 4.0L
- 1991 Ford Aerostar XL Plus 6 Cyl 3.0L
- 1991 Ford Aerostar Base 6 Cyl 4.0L
- 1991 Ford Aerostar XL 6 Cyl 3.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 4.0L
- 1991 Ford Aerostar Eddie Bauer 6 Cyl 3.0L
Product Details
Series : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 1-year Denso 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.
Page 1 of 5 | Showing 1 - 15 of 68 results
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Denso's Premium Class Platinum Twin Tip Spark Plugs revolutionary twin tip design provides better ignitability for a more powerful and fuel-efficient combustion yielding better engine performance in terms of pow...
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Step up to platinum with Autolite Platinum spark plug. A center wire platinum firing tip provides improved performance and durability. It fires quicker and cleaner with less voltage for easier starts, quicker acceleration and improv...
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Aceon spark plug is designed using OEM standards to meet the best quality and durability. Aceon's line of Spark Plugs comes in 3 different series features with vehicle-grade ceramic and fine wire center electrodes which provide OE performance at hi...
Product Questions & Answers
Q:Do they come adjusted already?
Cristhian D.
A:BEST ANSWERHi Cristhian, thank you for reaching out. Yes, they do. These spark plugs are ready for installation. You can use this link to order the part and take advantage of our low price for this item: https://www.carparts.com/spark-plug/denso/set-np4511-6?can=CPAP3648_CSQA_20230731
I hope this helps. Enjoy shopping. Show less
Aldrin P.
1 Question, 1 AnswerView all Q&As >
Q:Gap size right for a 2009 f150 FX4?
Derek G.
A:BEST ANSWERHi Derek, I'm glad to assist you. As noted in the details, it has a 1mm pre-gap. If your car appears in the vehicle fitment information below (year, make, model, submodel, and engine size), it is a guaranteed fit part. Grab our price-cut promo and click the link below to buy it today. Happy shopping!
https://www.carparts.com/spark-plug/denso/np4511?can=cpje1043_CSQA_20231110 Show less
Jeonino E.
3 Questions, 1 AnswerView all Q&As >
Q:What number champion plug goes into this 1990 Buick LeSabre 3.8 motor ? Show Less
Joe C.
A:BEST ANSWERHi Joseph, I'm glad to assist you. We do not have a brand Champion. This AC Delco brand is our best buy since it has a 3-year, unlimited-mileage AC Delco warranty. You get the set for only $28.49. Grab our best seller for a quality spark plug, and click the link below to buy it today. Happy shopping!
https://www.carparts.com/spark-plug/ac-delco/set-ac14-6?can=cpje1043_CSQA_20240726 Show less
Jeonino E.
3 Questions, 1 AnswerView all Q&As >
Helpful Automotive Resources
A Short Course on Ignition SystemsLet’s see how this is done.
The role of spark plugs is integral in the operation of the ignition systems as they ignite the air/fuel mixture—at exactly the right instant.
Why Won’t My Car Start?Automotive professionals break down no-start situations into two separate categories: crank-no-start and no-crank-no-start.
P0354 Code: Ignition Coil “D” Primary/Secondary CircuitIn an engine with a COP ignition system, each cylinder comes with its own ignition coil that sits on top of the spark plug. The computer monitors the circuit between it and every ignition coil for faults. It will file a trouble code depending on the cylinder that experienced a
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.