You have a vacuum gauge?
Clogged exhaust will cause lack of power,
Fuel filter,
Weak/old coils
Base engine.
This is an interference motor. Timing off will cause damage .
I did see a guy set the chain backwards(as to left was right) on a 2 valve and it ran just real bad .
It's also a lot...
Look around for a set of 8 coils.
Ford racing did sell them
30 dollar per coil type of price ..
Online you need to almost have a photo sent to confirm they are motorcraft vs compatible to motorcraft
Amazon has some good deals when I need a low price
Tousley Ford /tasco
Was selling to use...
I had gotten a cd off Ebay.
03-04.
Every model for 20 bucks ..
But that was back 20 yrs ago.
I still use it,,but also use Chiltons library, which is free and works on a cell phone
But may not be the most user friendly ,
It seams the government stepped in and shut down many links for...
Read thru test. There are some steps to take which may also give more codes
Was the air inlet from air filter to throttle body connected,,
Code is for vacuum leak.
I remember going over my vacuum harness , checking each line by hand/mouth,
Leaks and blocks on line.
Routing is also important .
Well that answers a lot.
Should be a fun repair,
Our Tundra got attacked by squirrels ,major harness in a almost impossible area to reach ,
It's fixable.
https://www.terminator-cobra.com/svt_documents.htm
In here. Service manual on 2003
Close enough to 01.
Has small manual with basic wiring,will work on a cell phone ,,
Same paragraph that's in.
Icon on the left of paragraph is link into the full service manual with everything for a...
This is interesting.
LG/white wire
On side had 12v with key on?
And the other no power ..
How about a photo of said wire. ,
Few other things.
All fuses were checked in engine bay and under dash?
With a actual tool. Not just looking.
Than while you have been playing and spraying into...
Best book to read.
Aod automatic transmission and service guide.
https://procarmanuals.com/ford-aod-atsg-automatic-transmission-service-group/
And also. Does handle move and nothing happens or handle won't even move .with brake pressed ..
Fuse/cable/linkage
https://acrobat.adobe.com/id/urn:aaid:sc:VA6C2:ec252721-39bf-46cb-b1fd-e3ad739ac48e
Svt documents
This is from a different link into manual ,,But also free
Maybe a ground wire getting old or loose,,
Dirty battery terminals, if aftermarket under clamp also get dirty
The ground from battery to radiator support I've had issues with,I upgraded this cable,
Lazy starter.
Air inlet getting clogged .that's air filter and intercooler causing slow to...
Glad you found the issue,
The manual your using ?
We have the Ford manual posted on here,
There are special steps to sealing front cover that if missed will cause oil leaks ,
Along with notes on installing timing chain components