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Discussion Starter · #1 ·
We did it- car runs great- no codes or misfire- took six hours

Tuned up my 2001 V6- 3.8 following engine code P303 misfire on cyl 3.

used motocraft parts
plug- AGSF42FM GAP AT 0.055- LABEL SAYS 0.052-0.56
ORIGINAL 1,2,3- AGSF42EGM
ORIGINAL 4,5,6-AGSF42M
TORQUE- 180 IN LB- 7-15 FT LBS

WIRES-WR-5978

Question: Does any one know why the original plugs have different part numbers from left to right side of engine?
1,2,3 on pass side, 4,5,6 on dirvers side.
Coil pack has 123 from left to right on top.

attacehd is picture of plugs.:bigthumbsup

Jeff
 

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Discussion Starter · #2 ·
follow up question:

Thanks all- just finished the tune up= Passenger side requires
remove EGR and tubes
Remove airbox connection to MAF
Change plugs and wires
get lots of bandaids for scraped nuckele-
Time- 6 hours.
Car runs great!
Thanks Jeff

So- why the differnent plug number from original left side and right side?

Dirvers- AGSF-42M
Passenger AGSF-42EGM

Thanks- Jeff
 

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Discussion Starter · #4 ·
Thanks- here is a picture of the plugs

Original Plugs- Next Project is replacing front bumper- thanks for the help. Jeff
 

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