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Author Topic: Cold running  (Read 1979 times)

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old cruiser

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Cold running
« on: 11 November 2006, 17:26:15 »
Does anyone get this with their 2.2 Omega; when engine is cold and around the 1500 -2000 rpm, I get what feels like driving over rumble strips, what I have noticed is that if fuel gauge is sitting between empty and 1/4 it's worse strangely enough but once engine is warm everything is fine.
Cheers Pete
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JamesV6CDX

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Re: Cold running
« Reply #1 on: 11 November 2006, 18:43:34 »
sounds like a little misfire

check the obvious like plugs etc
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Taxi_Driver

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Re: Cold running
« Reply #2 on: 12 November 2006, 18:41:47 »
Nope, not got that on mine, sorry.

The only time my coughs a bit is when it first switches to lpg when its still warming up
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Chopsdad

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Re: Cold running
« Reply #3 on: 13 November 2006, 21:02:46 »
I think I know what you mean - is it worse when you go downhill - ie foot off the throttle?

Cos mine gets little bursts of speed - and MID readout on fuel consumption shifts from 9999 to 45 MPG & then back again to 9999.  Sometimes feels like the wheels are unbalanced?

May just be settling in while the Lambda sensor heats up - but there'll be an expert along in a minute to advise.  :y
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old cruiser

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Re: Cold running
« Reply #4 on: 14 November 2006, 09:02:22 »
Haven't noticed it worse downhill, but the strange thing is that with low fuel in tank i.e between empty and 1/4 is particularly bad after filling up it's vertually eliminated!, now beginning to wonder about the fule pump not coping with low fuel.
Cheers Pete
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Marks DTM Calib

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Re: Cold running
« Reply #5 on: 14 November 2006, 09:08:53 »
It might be worth popping the level sensor/pump assembly out the tank and checking the pickup pipe....
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rpont

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Re: Cold running
« Reply #6 on: 14 November 2006, 12:22:00 »
When was the fuel filter last changed? Since it's when the fule is low it's likely to be something to do with the pickup pipe/pump/filter area. Mine sort of rumbled when the EGR valve needed cleaning but the engine light came on as well then.
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old cruiser

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Re: Cold running
« Reply #7 on: 14 November 2006, 14:18:52 »
Good point Mark, certainly worth checking pick-up pipe, is it easy to access and remove do you know off hand? can't remember from the last time I changed the fuel filter some months ago.
Cheers Pete
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Auto Addict

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Re: Cold running
« Reply #8 on: 15 November 2006, 06:55:57 »
Quote
Does anyone get this with their 2.2 Omega; when engine is cold and around the 1500 -2000 rpm, I get what feels like driving over rumble strips, what I have noticed is that if fuel gauge is sitting between empty and 1/4 it's worse strangely enough but once engine is warm everything is fine.
Cheers Pete

I used to get this before I cleaned out the throttle body and all the breathers, never had it since.
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old cruiser

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Re: Cold running
« Reply #9 on: 15 November 2006, 08:55:33 »
Cheers AutoAddict might be the wya to go then, did you have any other running probs/ warning lights on with it at the same time before you did the clean out?
Cheers Pete
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Auto Addict

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Re: Cold running
« Reply #10 on: 15 November 2006, 14:01:36 »
Quote
Cheers AutoAddict might be the wya to go then, did you have any other running probs/ warning lights on with it at the same time before you did the clean out?
Cheers Pete

No.
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old cruiser

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Re: Cold running
« Reply #11 on: 15 November 2006, 14:03:11 »
Ok thanks for that mate
cheers Pete
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