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Strange loss of performance until 1/4 throttle when cold

Cubes

By Cubes,
in Engines & Forced Induction

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Cubes Grand Master

Cubes

Posted
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Oh I forgot to mention... I let the car warm up for just over 5 mins this morning.. No hesitations nothing. No smoke either.

I remember when Martin had a quick look at my car some time ago when he said I had non-standard injectors that the problem is common and possibly caused by the coolant temp sensor or somthing?!? Personally i don't think it is as it idles higher when cold then drops slowly once warm.

EVOIV Community Regular

EVOIV

Posted
Posted

If you don't like the sound of the 044 mounted externally, I can agree with you here, I believe you can mount them intank and they are a lot quieter? I never did it, but mine was externally mounted and it is very annoying and loud especially in the summer. Intank should be a lot better.

WazR32GTSt Grand Master

WazR32GTSt

Posted
Posted

if u want to check the knock sensors (it may be wrong but its a 2 minute check and is really worth the small effort), then do this.

Stand over the battery and look at the intake manifold. Get a torch or long flourescent light and place it between the battery and manifold and somehow get it to stay there.

If you look between runners 1-2 and 4-5 of the intake manifold then you should see, in each, a small green plug with a white clip attached onto it. This is the knock sensor. in my case the white clip (and attached wire) were hanging there doing nothing. took 2 seconds to plug it back in. The green plug is about 1 inch long and is cylindrical...

as i said it may be completely wrong but it only takes 2 minutes to have a look and see if they are plugged in...

Waz.

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