Spark Plugs
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Joined: Mar 2004
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Spark Plugs
Hi,
I've been researching for the best replacement spark plugs for my 95 Explorer 4.0L 4wd. The results were that Motorcraft ASWF-42PP works the best. Not able to find the plugs in stock at my local auto supply store, I went to a Ford Dealer. They also did NOT have the ASWF-42PP in stock, he recommended Motorcraft AGSF-42FMF6.
Has anyone out there use(d) AGSFM-42FMF6 on their explorer?
Do you recomment these plugs?
Thanks in advance,
Jojo
I've been researching for the best replacement spark plugs for my 95 Explorer 4.0L 4wd. The results were that Motorcraft ASWF-42PP works the best. Not able to find the plugs in stock at my local auto supply store, I went to a Ford Dealer. They also did NOT have the ASWF-42PP in stock, he recommended Motorcraft AGSF-42FMF6.
Has anyone out there use(d) AGSFM-42FMF6 on their explorer?
Do you recomment these plugs?
Thanks in advance,
Jojo
Senior User
Joined: Apr 2002
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Bosch is the same product line so just go to Autozone (or any parts store and get the OEM equilivent of the bosch brand--I think they are the double platinum-worked for me) and a ford dealer will Take your wallet over the coals
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Joined: Apr 2002
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Bosch is the same product line so just go to Autozone (or any parts store and get the OEM equilivent of the bosch brand--I think they are the double platinum-worked for me) and a ford dealer will Take your wallet over the coals 
Postmaster
Joined: Oct 2003
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From: SoCal
I agree, I change the Bosch single electrode plats in my 87 2.9 & 95 3.0 every 90 K. They always look so good, im tempted to leave them in longer. I see NGK now has irridium plugs on their web site. Less money & supposedly better than the platinums.
Logistics Pro
Joined: Jan 2001
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From: Fort Smith
Originally Posted by 87 XLT
I see NGK now has irridium plugs on their web site. Less money & supposedly better than the platinums.
Postmaster
Joined: Oct 2003
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From: SoCal
Originally Posted by CobraXP
I actually have a set in my garage. They will be going in this weekend when I get done with the cam swap. I'll let you know how they do after a test run...
Logistics Pro
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From: Fort Smith
I've had them for about a year now. I bought them when I ordered my plugs for my jet skis and boats (I buy them in bulk). I saw them on their site then, and thought I would try them. They have been sitting in the garage ever since.
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Postmaster
Joined: Jan 2003
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From: Durham, NC
Whatever you do, stay away from Bosch, they DO NOT run well with Ford's EDIS!!!! The AGSF42FMF6 is Motorcraft's new "fine wire" platinum plug. I am running these in my
3.0L Ranger now, and they run well!!!!! This is the very
best plug for your 4.0L!!!
3.0L Ranger now, and they run well!!!!! This is the very
best plug for your 4.0L!!!
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Postmaster
Joined: Jan 2003
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From: Durham, NC
Originally Posted by 99Xplr
Bob.... what sort of problems did you see with the Bosch plugs. I just installed a set this weekend and now that I see this I'm starting to think that was a mistake.
bad mis, when under load at a low RPM. I replaced the Bosch with Motorcrafts, and this cured the mis problem.
All I use in my gasoline Mercedes is Bosch, and they run great!!! But I only use Motorcrafts in my Fords!!!!!
Senior User
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Bosch and MotorCraft are made in the same factory, using the same materials--So you had a bad plug. Motorcraft are sold by the dealers and some parts distributors, or they have the OEM equilivant which would be Bosch.
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From: Durham, NC
Originally Posted by nhfire 77
Bosch and MotorCraft are made in the same factory, using the same materials--So you had a bad plug. Motorcraft are sold by the dealers and some parts distributors, or they have the OEM equilivant which would be Bosch.
Motorcraft and Autolite are both made by Honeywell, a division of Allied Signal.....