How to service a spark plug on Ford Focus?

In order to service the spark plug, begin by removing the ignition coil. Blow off any debris with compressed air and then remove the spark plug. Check the gap of the spark plugs and inspect the plugs. Lastly, install again by undoing the un-installation.

How to inspect a spark plug for issues such as bridged gaps, fouling, and overheating on Ford Focus?

Check the spark plugs on bridged gaps and accumulating deposit of oils or carbon. Wash when necessary and deal with leaking oil. Look at carbon build up, normal burning, pre-ignition, overheating and fused deposits. As a result of the identified issues, replace the spark plugs in case of the necessity.

OEM Ford Focus Spark Plug

Ignition Spark Plug

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8 Spark Plugs found

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Ford Focus Spark Plug Part Number: AYFS-092-FE1X
$12.88 MSRP: $20.91
You Save: $8.03 (39%)
ADD TO CART
Product Specifications
- Replaces: AYFS-092-FE1, AYFS-92-FE1
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2007 Ford Focus | S, SE, SES, SVT, ZTS, ZTW, ZX3, ZX4, ZX5, ZXW | 4 Cyl 2.0 L GAS
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Ford Focus Spark Plug Part Number: HYFS-093-YECX
$9.84 MSRP: $15.62
You Save: $5.78 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: HYFS-093-YEC, HYFS-93-YEC, SP-538-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2018 Ford Focus | SE | 3 Cyl 1.0 L GAS
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Ford Focus Spark Plug Part Number: CYFS-12Y-PCTX
$11.48 MSRP: $17.76
You Save: $6.28 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12Y-PC, CYFS-12Y-PCT, SP-527, SP-550, CYFS-12Y-2
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2018 Ford Focus | RS, ST | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Focus Spark Plug Part Number: CYFS-12-Y1X
$10.40 MSRP: $16.51
You Save: $6.11 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: SP-535, CYFS-12-Y1
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2018 Ford Focus | S, SE, SEL, Titanium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
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Ford Focus Spark Plug Part Number: AZFS-32F-EX
$7.67 MSRP: $12.45
You Save: $4.78 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AZFS-32F-EF4, AZFS-32F-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2007 Ford Focus | LX, S, SE, SES, Sony Limited Edition, ST, SVT, ZTS, ZTW, ZX3, ZX4, ZX4 ST, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Focus Spark Plug Part Number: AGSF-34F-MX
$5.16 MSRP: $8.20
You Save: $3.04 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AGSF-34F-M, SP-504
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2004 Ford Focus | LX, SE | 4 Cyl 2.0 L GAS
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Ford Focus Spark Plug Part Number: AGSF-32Y-RAX
$7.93 MSRP: $12.27
You Save: $4.34 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AGSF-32Y-PC, AGSF-32Y-R, AGSF-32Y-RA, SP-541, SP-541-A, SP-448
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Ford Focus | S, SE, SEL, SES | 4 Cyl 2.0 L GAS
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Ford Focus Spark Plug Part Number: AGSF-22Y-PCX
$11.26 MSRP: $17.87
You Save: $6.61 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AGSF-22Y-PC, SP-492
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2007 Ford Focus | LX, SE, ST, ZTS, ZTW, ZX3, ZX4 ST, ZX5 | 4 Cyl 2.3 L GAS

Ford Focus Spark Plug

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Ford Focus Spark Plug Parts and Q&A

Spark Plug
AZFS-32F-EX
Q: How to service a spark plug on Ford Focus?
A: In order to service the spark plug, begin by removing the Ignition Coil. Blow off any debris with compressed air and then remove the spark plug. Check the gap of the spark plugs and inspect the plugs. Lastly, install again by undoing the un-installation.
Spark Plug
AGSF-22Y-PCX
Q: How to inspect a spark plug for issues such as bridged gaps, fouling, and overheating on Ford Focus?
A: Check the spark plugs on bridged gaps and accumulating deposit of oils or carbon. Wash when necessary and deal with leaking oil. Look at carbon build up, normal burning, pre-ignition, overheating and fused deposits. As a result of the identified issues, replace the spark plugs in case of the necessity.