2003 Ford Focus no acceleration

Question

1998-2004 Ford Focus

The first-generation Ford Focus was manufactured in Europe from 1998-2004 and in North American from 1999 to 2007.

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Ed Claydon @edwarrd

Rep: 59

2

1

Veröffentlicht: 21. Sep 2017

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2003 Ford Focus no acceleration

My missus's trusty 03 Focus has developed a rather bad problem, she was coming back from the shops this morning and it started to die on her, she managed to get it back home and i took it for a drive, It idles fine and revs in neutral no problem and when initially accelerating off it seems OK but after driving for half a k or so when trying to accelerate it just dies, still idles fine, doesn't cut out at all but just no acceleration, I could sort of idle home but give it any revs it just dies back, not cutting out just very weak acceleration, Also I'm pretty sure i can hear some pinking that was never there before.

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I have the same EXACT problem......did you solve it? Fuel pump?

29. Apr 2018 von h.monckton35

Please come back and tell us how you solved it!?

29. Apr 2018 von h.monckton35

Same problem with my 02 ford focus 100k mils and I took it to be read with the OBDll no codes.

25. Jul 2018 von Ashley Gleydura

Blocked Catalytic convertor.

26. Jul 2018 von Ed Claydon

Guys the problem is a blocked catalytic converter or partial blockage of your exhaust system. How I found out mine is by taking one of the o2 sensors out and starting it for ONLY a little while because you can burn things like wires ect. But it allowed my 2.3l focus to rev all the way and no more bucking while driving and it ran like a little rally car again! So I will try to unclog the debris that is in the exhaust by debris I mean the insides of my cat that rattled apart after awhile. Good luck.

19. Dez 2020 von Tommy Fairall

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Gewählte Lösung

Jimfixer @jimfixer

Rep: 102,5 Tsd.

18

191

304

Veröffentlicht: 21. Sep 2017

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@edwarrd This is a case of fuel starvation . There are many possible reasons for the fuel starvation . The best thing to do is check for engine codes ,OBDII codes . The most probable issue would be fuel lines leaking of a plugged fuel filter. If this brings no joy then move on the sensors . Clean the Map sensor and clean the throttle body . Check your o2 sensors. You can also check for back pressure on the fuel tank . test this buy running the car without the fuel cap . there could also be a plugged Catalytic convertor. Is the car overheating when this is happening ? If so it could be a timing issue . it could be a bad timing belt or chain and the pinging your hearing is bad timing. The best thing to do is get the codes read . When you do let us know your codes and we can help further. Hope this helps

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I have a2003 Ford focus it well idle fine but put it gear to drive it has know acceleration lit off it well run but we'll die iv put new coil new plugs wires new fuel pump new filter new pressure sensor can you help it has the code p0191

7. Nov 2022 von Paul Ward

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I have the same EXACT problem......did you solve it? Fuel pump? — h.monckton35
Same problem with my 02 ford focus 100k mils and I took it to be read with the OBDll no codes. — Ashley Gleydura
Guys the problem is a blocked catalytic converter or partial blockage of your exhaust system. How I found out mine is by taking one of the o2 sensors out and starting it for ONLY a little while because you can burn things like wires ect. But it allowed my 2.3l focus to rev all the way and no more bucking while driving and it ran like a little rally car again! So I will try to unclog the debris that is in the exhaust by debris I mean the insides of my cat that rattled apart after awhile. Good luck. — Tommy Fairall
I have a2003 Ford focus it well idle fine but put it gear to drive it has know acceleration lit off it well run but we'll die iv put new coil new plugs wires new fuel pump new filter new pressure sensor can you help it has the code p0191 — Paul Ward

lta @lta71063 Rep: 13 1 · Answer 1 · 2019-12-29T04:51:36-07:00

lta @lta71063

Rep: 13

1

Veröffentlicht: 29. Dez 2019

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Sounds to me like the coil pack.. 30 quid second hand, 4 screws, 4 spark leads and a sensor wire to be swaped over..back on the road.

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My car keeps surging .. if I have the air on and the lights my lights flicker on and off .. if I turn on my fog lights or the dome light it surges on and off .. help

15. Sep 2020 von Hillary lamp

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Haitham @haithamofficial Rep: 329 14 2 2 · Answer 2 · 2020-10-26T07:53:34-07:00

Haitham @haithamofficial

Rep: 329

14

2

Veröffentlicht: 26. Okt 2020

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I concur. New ignition coil and HC leads solved this issue on my 2005 MK1 1.6

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Get a new version updated OEM coil pack. The old ones are designed to fail. One huge problem solved. Trust me. Been there 3 OEM coil packs. 10 years one updated coil pack later perfection.

29. Mai 2021 von Grant Lottering

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