Skip the auto shop - Our mechanics make house calls

Q: spark plugs and cables

asked by on

Ok I bought the truck bout 2 years I know it doesn't have a lot of miles on it, but it looks to have original plugs and cables I went to the parts place and askes for spark plugs and cables. I got Motorcraft spark plugs cables, and Motorcraft double plats. The problem is no one there knew what the spark plug gap was supposed to be. They had 3 different gap size plugs in different brands, but they only carried 1 gap size for the Motorcraft which was 0.044. Ok i got home looked in my owners manual, it has a range of 0.049 - 0.053. Ok first does it matter if its copper, plats, double plats , do you still set the gap for what the owners manual says ? or do the different types need to be set different because of the type? Second , when you have a spark plug gap range of 0.049 -0.053 what do you set it at? The low end of that range mid or high. What should i set the gap at?

My car has 84000 miles.
My car has an automatic transmission.

Normally, vehicles this new do not require gapping the spark plugs as they should come pregapped. When you have spark plugs with precious metals such as platinum, double platinum, or iridium, these types of plugs should not be gapped. This is because the precious metal can be scraped away with the gapping tool and actually ruin the spark plug. If you have any doubts about this repair, Consider YourMechanic for your spark plug replacement.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Dim stays on about 10 seconds, then go completely out. So I have to quickly switch back to brigt

There are a couple of things this could be related to. First, you may want to have your alternator tested. This is your car's onboard charging mechanism. If this is not operating correctly, it can lead to several problems, one...

Q: Clear liquid leak

The only fluid that is mostly clear is the power steering fluid on your car. The power steering pump or pressure hose is the most common leak or the steering rack and pinion shaft seal has failed. I recommend having...

Q: Popping/clunking sound from right passenger side front. Front suspension was inspected over the weekend

Hi there. In most cases, when you have a problem like this, it's caused by a loose or damaged strut, strut mount, stabilizer bar bushings or CV joints being worn out. The stabilizer bar bushing specifically is usually the part...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...