Question about 2002 Ford SVT Focus

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Intermittent engine surge/hesitate while on traffic light

Hope someone could help me.

I have '02 Focus ZX5, and from time to time when I am waiting for green light, engine start to run slow, shake for a few sec than surge(up and down like rollercoaster).It also happens when in park, or drive very slow.
Thanks in advance,

Darko

Posted by darcovanco on

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stephen peirce

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  • Ford Master
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Idle air control valve

Posted on Jan 03, 2018

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Anonymous

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SOURCE: Ford Focus ZX5 - Rear brake lights stay on when car is running and in gear

Hi, you have suffered a major electrical short here, and the car is telling you via the light signals that you need to take care of this in a garage. The original short burnt cables, which is why there is visible signs of melting, smell etc. I know it will involve a cost, but consider the value of your life if the car was to go on fire with you or your family in it? Another short will cause such a fire, get to a garage soon!

Posted on Aug 10, 2008

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gerry bissi

  • 4388 Answers

SOURCE: ford focus keeps stalling

I suspect it is a problem with the evaporative emission system. Basically, it collects vapors from the fuel tank and stores them in a charcoal canister in the engine compartment. It thens purges them into the engine when the engine is warm and running at road speed. You may be dumping too much vapor because your canister is filling with fule as well as vapor.

Do you try to "nurse" teh tank full at the fuel station? If yes, you may be flooding the canister.
Try just filling it 3/4 each time & see if problem goes away.

Posted on Feb 21, 2009

moparownr

Jeff Hammack

  • 667 Answers

SOURCE: How do I change fuel filter.

run a fuel pressure test, and check the fuel pump relay, in the underhood power distribution box, if relay is good and you have power at the pump with no fuel pressure then you have a bad pump

Posted on May 30, 2009

Anonymous

  • 176 Answers

SOURCE: MY 2005 FORD FOCUS ENGINE LIGHT IS ON .... WHEN I

you should have the code read with a scanner at a garage Possible (Throttle position sensor ??? (TPS) the code reader will tell you exactly wich sensor is the problem

Posted on Jun 13, 2009

Anonymous

  • 4 Answers

SOURCE: 01 Focus 2.0 split port engine. Service engine light on!

uplug air metering sensor car should run almost normal but will set check eng, light

Posted on Jan 15, 2010

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After your discription of P0300 and P1305, would this cause the car to surge and jerk after it warms up?


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Get the codes and I'll instruct you on how to fix the problem.

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