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RB30 flat spot

stander

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Sep 10, 2009
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VL Executive
Hi guys

I have just begun to notice a flat spot/hesitation on initial throttle in my standard auto RB30 Sep 1988 with 285k after initial start. You sort of need to feather it through the flat spot then all goes well. I only take the VL out a coulple of times a week and in the past have been able to drive off with no hesitation even when cold. Now she needs a minute or two warm up without the flat spot turning up. After that she's good. Any ideas about what needs attention would be appreciated. Have done the following on last service two months ago- oil, plugs, leads, air and fuel filter. CAS and AFM replaced with new, about 5ks ago. A mate mentioned cleaning the AAC valve as a starting point. Anything else i should get done? i take a bit of pride in keeping her running well.

Thanks.
 

Munz

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have a go at cleaning the AAC, check all vacuum lines for cracks, how's your timing?
 
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