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Acceleration Problem

Tiny
MASTASYTHA
  • MEMBER
  • 2002 FORD FOCUS
  • 1.6L
  • FWD
  • AUTOMATIC
  • 148,000 MILES
I just recently had my car in the mechanics to get fix they replaced my front sway bar links my v belt tentioner and my serpentine belt and now when I drive and changes gear it jumps to a high rev or if I go foot flat from stop the car doesnt move at all if car starts to go in to high revs I can release the accelerator and put it back on the car will change gears fine what could this problem be?
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Tuesday, December 1st, 2015 AT 5:19 AM

10 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Sounds like the trans is slipping check fluid level if that was serviced take it back it may be low and wasn't put in.

This guide can help as well

https://www.2carpros.com/articles/engine-has-low-power-output

Please run down this guide and report back.
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Tuesday, December 1st, 2015 AT 6:10 AM
Tiny
KORTTNEY WALLACE BENNETTMARTIN
  • MEMBER
  • 1 POST
  • 2002 FORD FOCUS
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 1,450,000 MILES
My car is the sports edition with a 2.0 single overhead cam. I was driving it and it started losing power then it staled out I was able to get it started again and get it home. But now it does not start it will not role over it has no dash lights or head lights. It has a brand new battery and new battery terminals.
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Have the battery bench charged and load tested just to make sure that the battery is serviceable, with that done make sure that the alternator output is okay, with a fully charged new battery, running you will want to see about 13.5V. Start here.
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
BBDESIGNCOF
  • MEMBER
  • 2 POSTS
  • 2002 FORD FOCUS
  • MANUAL
  • 96,064 MILES
On my 2002 ford focus, I have a problem with acceleration when the engine is cold. The acceleration is sluggish but once the car warms up, the car seems to run just fine. Any solutions? There is no check engine light on, the last tune up was about 6 months ago, I replaced the spark plugs, the coil pack, spark plug wires, and oil. Mind you this was to fix an existing problem of a misfire that turned out to be an air leak.
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
BBDESIGNCOF
  • MEMBER
  • 2 POSTS
It turned out to be the fuel filter along with a bad motor mount. I know the Motor mount wasn't the sluggishness, but it was causing the car to vibrate like crap.
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Thank You for coming back with the fix so others will benefit from it with the same problem-
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
1RANGERBIL
  • MEMBER
  • 2 POSTS
  • 2002 FORD FOCUS
  • 96,000 MILES
The car hardly accelerates the the more throttle given the slower it goes. I have replaced the egr and fuel filter and checked for vacuum leaks, which I didn't find, the car has a slight miss at idle and smell like it is runnin rich
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the exhaust system for clogging.
Did you test the fuel pressure?
Is the Malfunction Indicator Light showing?
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
1RANGERBIL
  • MEMBER
  • 2 POSTS
No exhaust restrictions fuel pump pressure is 40 pounds and there are no engine light
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the Throttle Position Sensor. Test if it is operating within range.
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Tuesday, May 12th, 2020 AT 11:26 AM (Merged)

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