2003 ford 4.2 want Asse;lerate uphtll
4 Answers
Fuel delivery problems. Worn spark plugs, restricted exhaust. Restricted fresh air flow.
GuruD9WWS3 answered 8 months ago
In older cars/trucks check vacuum lines, emissions canister. Maybe 2003 too.
If I can infer through the gibberish, your catalytic converter is worn out. It's clogged and restricts engine performance under load.