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Author Topic: Lumpy running 4 pot!!!  (Read 1480 times)

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Vamps

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Lumpy running 4 pot!!!
« on: 15 December 2010, 21:20:59 »
Typical, just thinking how smooth the car was going following a run to Sunderland, got home and about to put the car in reverse and it is running lumpy :( :(

Took it for a quick run, eml light on drives OK with a few revs so guessing crank or cam sensor, any thoughts..... :-?
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hoofing it

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Re: Lumpy running 4 pot!!!
« Reply #1 on: 15 December 2010, 21:31:39 »
Sorry mate couldn't help this one but all 4 pots sound like a lumpy food mixer :-X
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VXL V6

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Re: Lumpy running 4 pot!!!
« Reply #2 on: 15 December 2010, 21:34:49 »
Will it rev past 4500 RPM?
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Vamps

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Re: Lumpy running 4 pot!!!
« Reply #3 on: 15 December 2010, 21:56:57 »
Quote
Will it rev past 4500 RPM?

Yes, I think so, limp mode not on as far as I can tell....
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VXL V6

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Re: Lumpy running 4 pot!!!
« Reply #4 on: 15 December 2010, 21:58:48 »
If it revs past 4500 then it's unlikely to be the cam sensor. Sometimes the early failure mode is that it's fine until the engine is up to operating temp.

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vauxfan2k

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Re: Lumpy running 4 pot!!!
« Reply #5 on: 15 December 2010, 22:12:43 »
you know what you need to do...


 ;D ;D ;D
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VXL V6

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Re: Lumpy running 4 pot!!!
« Reply #6 on: 15 December 2010, 22:15:56 »
Can't do that on a 2.2 can you?
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vauxfan2k

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Re: Lumpy running 4 pot!!!
« Reply #7 on: 15 December 2010, 22:18:49 »
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Can't do that on a 2.2 can you?


ahh, but in my defence my dear sir, he didnt mention which of his 4 pot cars it was, the other is a 2.0  :D :D
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VXL V6

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Re: Lumpy running 4 pot!!!
« Reply #8 on: 15 December 2010, 22:22:58 »
Quote
Quote
Can't do that on a 2.2 can you?


ahh, but in my defence my dear sir, he didnt mention which of his 4 pot cars it was, the other is a 2.0  :D :D

Yes M'lord, you are quite correct, guilty as charged, I assumed the 2.2....  ::)
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Vamps

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Re: Lumpy running 4 pot!!!
« Reply #9 on: 15 December 2010, 22:25:16 »
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you know what you need to do...


 ;D ;D ;D

Might be a trip to see Philrich then and get his code reader out..... :D :D

I have had Mig's with similar faults over the years and often been the cam or crank sensor...... only needed 1 dis pack on a 2.0L but still needed a cam sensor  car has only done 60k and was running like a dream.. :( :(
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PhilRich

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Re: Lumpy running 4 pot!!!
« Reply #10 on: 15 December 2010, 22:28:56 »
Didn't you get your faulty code reader replaced then Mike? If not I can give it the once over with mine when you're next nearby? In the meantime, try unplugging the MAF & see if there is any difference with it off line. :-/
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Vamps

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Re: Lumpy running 4 pot!!!
« Reply #11 on: 15 December 2010, 22:34:33 »
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Didn't you get your faulty code reader replaced then Mike? If not I can give it the once over with mine when you're next nearby? In the meantime, try unplugging the MAF & see if there is any difference with it off line. :-/

No.... :-X :-[ :-[  Just been looking for one ::) ::) ::)

I can try the MAF, I have a spare as it happens, can you drive it unplugged?

I am off next week so could catch up, not looked at the car in any way yet, just got back from the hospice in Sunderland, car was running like a dream.. ::)


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Vamps

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Re: Lumpy running 4 pot!!!
« Reply #12 on: 15 December 2010, 22:35:53 »
Sorry, I was misleading the car concerned is the 2.2 engine... ::) ::)
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vauxfan2k

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Re: Lumpy running 4 pot!!!
« Reply #13 on: 15 December 2010, 22:38:40 »
oh ok, try the



trick


or does that not work either? im gonna have to go buy a 2.2 to find out arent I?  ::) ::)
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davethediver

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Re: Lumpy running 4 pot!!!
« Reply #14 on: 15 December 2010, 23:33:16 »
Code Reader only on a 2.2 :y

More likely to be a cam sensor than a crank sensor on a four pot :)
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