Spark plug issue
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Joined: Aug 2004
Posts: 12
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From: Indiana
Spark plug issue
Hey guys, need some help.
F-150 Supercrew 2001
5.4 Lt. V-8, 77,000 miles
4x4.
I am up for a set of 8 new spark plugs, but I don't want to do it myself. How much should I expect to pay for new plugs? Also, I had a vacum leak and follow some advise of on of the guys, by wrapping the vacum line tightly with electrical tape. It worked great. It was the line that attaches to the PCV valve, I also replaced the valve. My "Service Engine Light" went out around 4 to 5 driving cycles afterwards. I still get the occassional "sputter or misfire" when I am under easy accelleration from around 1300rpm to around 1700 rpm. All of the plugs are factory and I bought the truck new. Could this all be a spark plug issue, or is this still the vacum line problem. No code presented on the code reader from autozone. Also, the fuel filter has been replaced less than I year ago. I drive 95% interstate miles. I normally run around 75 to 80 mph on the interstate. What do you guys think?
F-150 Supercrew 2001
5.4 Lt. V-8, 77,000 miles
4x4.
I am up for a set of 8 new spark plugs, but I don't want to do it myself. How much should I expect to pay for new plugs? Also, I had a vacum leak and follow some advise of on of the guys, by wrapping the vacum line tightly with electrical tape. It worked great. It was the line that attaches to the PCV valve, I also replaced the valve. My "Service Engine Light" went out around 4 to 5 driving cycles afterwards. I still get the occassional "sputter or misfire" when I am under easy accelleration from around 1300rpm to around 1700 rpm. All of the plugs are factory and I bought the truck new. Could this all be a spark plug issue, or is this still the vacum line problem. No code presented on the code reader from autozone. Also, the fuel filter has been replaced less than I year ago. I drive 95% interstate miles. I normally run around 75 to 80 mph on the interstate. What do you guys think?
Postmaster
Joined: Aug 2003
Posts: 2,977
Likes: 1
From: South Texas
Where do you plan on taking the truck for the plug change? A local shop maybe cheaper than the dealer, but make sure they are used to working on the newer Triton engines. The plugs need to be properly torqued, or it might blow out. I think the dealer will do it for about $200. You would probably be better off replacing that vacum line, the tape is just a temporary fix.
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