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06-12-2006, 06:30 PM
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#1 | ||
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Starter Motor
Join Date: Sep 2006
Posts: 26
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Hi Everyone,
I treated my 'good lady' to a 2004 Zetec Auto a few months ago and although she is very pleased with the car, it has a niggling problem on start-up. On the initial start in the mornings, the engine speed is 'hunting', therefore when you select 'Drive' or 'Reverse' the car jumps about for the first 20-30 seconds and then it's fine. Any ideas would be much appreciated. Thanks in advance, Mike |
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06-12-2006, 06:38 PM
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#2 | ||
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FF.Com.Au Hardcore
Join Date: May 2006
Location: Sydney, NSW
Posts: 2,368
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What do you mean by "the engine speed is hunting"? When I start my car in the morning it normally idles at 1000rpm for about 1 min or so, and then goes back to 750rpm.
But even if I was in a hurry, my car didnt "jump" when I select "R". Maybe bad fuel? |
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06-12-2006, 07:22 PM
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#3 | ||
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Starter Motor
Join Date: Sep 2006
Posts: 26
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The idle speed flicks between 1400 and 1000, hence causing the car to kangaroo down the street when no gas applied!
Already been to Ford dealer...they're as much use as a "handbrake on a canoe"!!! Cheers, Mike |
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06-12-2006, 10:08 PM
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#4 | ||
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Non-Regular Member
Join Date: Oct 2006
Posts: 1,040
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Could simply be a ECU issue. Reflash the ECU it sounds like a Cold enrichment and idle speed calibration issue.
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07-12-2006, 12:20 AM
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#5 | ||
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LPG > You
Join Date: Dec 2004
Location: Sydney, NSW, Australia
Posts: 4,277
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When I start my car (05 Zetec WP), it sits at 1250rpm while the temp gauge is on stone cold. Does this for about 2 min. Temp gauges jumps up, slows itself down to 1000rpm, then eases down to its normal 750rpm idle.
__________________
LPG Lovers Association President & Member #1.  : 
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07-12-2006, 01:26 AM
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#6 | ||
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FF.Com.Au Hardcore
Join Date: Apr 2005
Location: Canberra
Posts: 13,329
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Air Flow Meter possibly? RPM hunting can sometimes be caused by a faulty AFM.
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07-12-2006, 01:46 AM
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#7 | ||
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Non-Regular Member
Join Date: Oct 2006
Posts: 1,040
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Fiesta uses MAP sensor
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07-12-2006, 01:56 AM
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#8 | |||
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FF.Com.Au Hardcore
Join Date: Apr 2005
Location: Canberra
Posts: 13,329
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Quote:
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Zetec Start up Problem
Linear Mode
