This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The truck's transmission shutters, so the whole truck vibrates. This is a huge safety issue. It causes the truck to slow down and overdrive does not kick in. So you have to slow down and force the truck to shift. This is a 5.4 Triton motor. I did change the plugs and coil packs. This job is not cheap. If you look at the Ford forums I am one of thousands. If you shut the over drive off problem is fixed but you can't drive over 55 without toasting the motor and using a huge amount of fuel. It appears this happens very frequently. This should be a recall issue. M.carcomplaints.com/Ford/F-150/2004/transmission/no_overdrive.shtml
- Deer Creek, IL, USA
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- Deer Creek, IL, USA