Hesitation while acceleration
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Joined: Sep 2015
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Hesitation while acceleration
hello guys
I bought a 2008 STX 4.6L , few weeks ago and mostly i was driving around the city but yesterday i took it to highway. i noticed , my truck having hard time to go beyond 80KM/h sometime and specially when there is up hill even slower .
I put accelerator hard and i see RPM was over 3000 even its was taking long to pick up a speed. and there is no other extra weight in truck.
any ideas what is going on.
Plz some suggestions .
I bought a 2008 STX 4.6L , few weeks ago and mostly i was driving around the city but yesterday i took it to highway. i noticed , my truck having hard time to go beyond 80KM/h sometime and specially when there is up hill even slower .
I put accelerator hard and i see RPM was over 3000 even its was taking long to pick up a speed. and there is no other extra weight in truck.
any ideas what is going on.
Plz some suggestions .
Fleet Mechanic
Joined: Aug 2008
Posts: 1,446
Likes: 9
From: NE Iowa JD Country
hello guys
I bought a 2008 STX 4.6L , few weeks ago and mostly i was driving around the city but yesterday i took it to highway. i noticed , my truck having hard time to go beyond 80KM/h sometime and specially when there is up hill even slower .
I put accelerator hard and i see RPM was over 3000 even its was taking long to pick up a speed. and there is no other extra weight in truck.
any ideas what is going on.
Plz some suggestions .
I bought a 2008 STX 4.6L , few weeks ago and mostly i was driving around the city but yesterday i took it to highway. i noticed , my truck having hard time to go beyond 80KM/h sometime and specially when there is up hill even slower .
I put accelerator hard and i see RPM was over 3000 even its was taking long to pick up a speed. and there is no other extra weight in truck.
any ideas what is going on.
Plz some suggestions .
Did you accidentally have a the emergency brake partially on?
How many miles are on this truck? might be time for new spark plugs
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