No Power
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Junior User
Joined: Oct 2006
Posts: 57
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No Power
I own a 88 F-150 with a 5.0L engine with only 5,000 miles on it and a AOD transmission I recently install a 4:10 gear to help pull my RV. The toy hauler weighs 3950 and with my bike and junk in the trailer it weighs 4950. The only error I am geeting on the OBD-1 reader is a Thermactor system failure. I have replaced the relays,EGR valve, the air pump works so does the bypass valve. I need help wondering why I have no power at highway speeds and it pings also. I have changed the timing to 8 degrees and that helped a little on the knocking but still no power. I am wondering about the cats or adding a cold air induction system and pulleys but not until I find what is causing the power problem.
Post Fiend
Joined: Feb 2000
Posts: 11,496
Likes: 6
From: Kansas
Hello and Welcome! 
You will want to post your question in our tech forums. This forum is used for introductions and your question is a good one. Just click on the Forums tab at the top and scroll over the list to find your year of truck. There is also a engine forum for your motor and a towing section I think you will like. You have a lot of friends in the Texas chapter so be sure and stop in there. I happen to have the link: https://www.ford-trucks.com/forums/forum96/
You will want to post your question in our tech forums. This forum is used for introductions and your question is a good one. Just click on the Forums tab at the top and scroll over the list to find your year of truck. There is also a engine forum for your motor and a towing section I think you will like. You have a lot of friends in the Texas chapter so be sure and stop in there. I happen to have the link: https://www.ford-trucks.com/forums/forum96/
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