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Cold start engine stuttering, missing, 1 Solution perhaps. 

 

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Posted: Sat May 19, 2007 2:45 pm 
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hi there,
just reading bout your prob, my prob is my el idles fine, but under load its a bag of s@@t, and smeels very lean could this be my o2 sensor doing that.
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Posted: Sat May 19, 2007 4:01 pm 
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mine does the same, for about the first 30 sec to minute after starting it runs bad under light throttle. Give it a little bit more and it seems to pushthrough and go alright. Only from sitting still though.... its wierd!!

Seeing as general opinion is that the oxy sensor doesnt affect cold starts, what are some other reasons that it could be happening?

 

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Posted: Sat May 19, 2007 4:11 pm 
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maybe injectors? im gunna do mine one day but im a lazy bugger

 

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Posted: Sat May 19, 2007 4:53 pm 
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i was the other way around! i put one of those ebay oxy's in and it started to f**k up in the mornings.

eventully replaced the battery and that fixed it mostly

 

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Posted: Tue May 22, 2007 3:14 am 
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just an update on the mysterious running....

my car is dual fuel but i drive it 99% of the time on petrol...well a few days ago i was driving on LPG for a few days, now im back on petrol for the past couple and the car is running on petrol much much better....before this batch of lpg i hadnt run lpg for more than a month (maybe longer)

im now thinking it might be sparkplugs - theory being that the LPG has "cleaned" the plugs up a bit..

and thinking back now i remember that it used to do this when i was alternating between lpg and petrol more often

 

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Posted: Tue May 22, 2007 12:07 pm 
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Guys just dropping into say the problem is basically gone now, car runs great off cold starts, no lurching or misfiring.

But I still have a bad idle at times, fluctuates though. Idle goes like this basically:

nice nice nice nice cough nice nice nice splatter, etc.

Grrr, one day.

 

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Posted: Tue May 22, 2007 3:56 pm 
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replace the idle speed motor thing fixed my car (ef fairmont).

two bolts easy to fix

 

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Posted: Tue May 22, 2007 5:44 pm 
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Rick_Deckard wrote:
Guys just dropping into say the problem is basically gone now, car runs great off cold starts, no lurching or misfiring.

But I still have a bad idle at times, fluctuates though. Idle goes like this basically:

nice nice nice nice cough nice nice nice splatter, etc.

Grrr, one day.


so that was from replacing o2 and resetting ecu?

quote="EF_fairmont_guy"]replace the idle speed motor thing fixed my car (ef fairmont).

two bolts easy to fix[/quote]

cant see how that could affect it any way....must have a different problem

 

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 Post subject: Re: Cold start engine stuttering, missing, 1 Solution perhaps.
Posted: Wed Oct 05, 2011 3:45 pm 
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I have a similar problem with my 93 Ford E350 Van. I've already changed the spark plugs and it didn't do any good. So i've ruled that out already... So what is it with the Oxygen Sensor then? Will it make any difference to this problem or not?
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