I have a 2002 4.6 super crew and my issue is and wondering if anyone has any suggestions that everytime i use my ac my truck seems to struggle like its sputtering alot. Anyone here know what the problem could be??

 

How many miles are on the spark plugs? Have you been keeping up with preventative maintenance?

 

been about a year since i changed them out i recently replaced coil pack. did an oil change and new airfilter too

 

Did you use Motorcraft plugs?

 

No i used bosch plugs

 

You should swap them out for Motorcraft plugs next time. The MAF sensor could be dirty as well if you have not cleaned it already.

 

Get the Bosch plugs out RIGHT NOW before they disintegrate and cause damage! Use only Motorcraft in these engines....................

 

ok sorry took a lil long. changed the plugs to motorcraft and all i can say is what a difference!! The engine idles so much smoother seems to have brought it back to life. Didnt know bosch would do alot of harm to these engines.

 

Thank you glc and erikshockey for the help! greatly appriciated!!